US20230240555A1 - Systems and methods for missed breath detection and indication - Google Patents

Systems and methods for missed breath detection and indication Download PDF

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US20230240555A1
US20230240555A1 US18/192,273 US202318192273A US2023240555A1 US 20230240555 A1 US20230240555 A1 US 20230240555A1 US 202318192273 A US202318192273 A US 202318192273A US 2023240555 A1 US2023240555 A1 US 2023240555A1
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missed
breaths
patient
breath
trigger detection
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Gary Milne
David Hyde
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Covidien LP
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Covidien LP
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Assigned to NELLCOR PURITAN BENNETT LLC reassignment NELLCOR PURITAN BENNETT LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HYDE, DAVID, MILNE, GARY
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0816Measuring devices for examining respiratory frequency
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0051Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/021Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022Control means therefor
    • A61M16/024Control means therefor including calculation means, e.g. using a processor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0826Detecting or evaluating apnoea events
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087Measuring breath flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057Pumps therefor
    • A61M16/0063Compressors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0015Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
    • A61M2016/0018Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
    • A61M2016/0021Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/50General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502User interfaces, e.g. screens or keyboards
    • A61M2205/505Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/50General characteristics of the apparatus with microprocessors or computers
    • A61M2205/52General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient

Definitions

  • a ventilator is a device that mechanically helps patients breathe by replacing some or all of the muscular effort required to inflate and deflate the lungs.
  • the ventilator may be configured to present various graphs, charts, and other displays indicative of the physical condition of the patient and the respiratory treatment provided.
  • the ventilatory displays may be further designed to present relevant clinical information to a practitioner in an efficient and orderly manner.
  • This disclosure describes improved systems and methods for displaying respiratory data to a clinician in a ventilatory system.
  • Respiratory data may be displayed by any number of suitable means, for example, via appropriate graphs, diagrams, charts, waveforms, and other graphic displays.
  • the disclosure describes novel systems and methods for determining and displaying ineffective patient inspiratory or expiratory efforts or missed breaths in a manner easily deciphered by a clinician.
  • this disclosure describes a method for determining missed breaths.
  • the method includes:
  • a medical ventilator including:
  • a missed breath module that determines missed breaths based on a first trigger detection application
  • a ventilation module that determines ventilation of a patient based on a second trigger detection application
  • At least one memory communicatively coupled to the at least one processor and containing instructions that, when executed by a processor of the ventilatory system, provide a graphical user interface on the at least one display, comprising a missed breath indicator.
  • the disclosure further describes a computer-readable medium having computer-executable instructions for performing a method implemented by a ventilator for determining missed breaths, the method includes:
  • the disclosure also describes a medical ventilator system, including means for monitoring respiratory data with at least one sensor, means for analyzing the respiratory data with a first trigger detection application and a second trigger detection application, means for detecting patient inspiratory efforts with the first trigger detection application and the second trigger detection application, means for calculating a missed breaths metric based on the results of the detection operation, and means for displaying a missed breath indicator based on the missed breaths metric.
  • FIG. 1 is a diagram illustrating an embodiment of an exemplary ventilator connected to a human patient.
  • FIG. 2 is a block diagram illustrating an embodiment of a ventilatory system having a graphical user interface for displaying respiratory data.
  • FIG. 3 is a flow diagram illustrating an embodiment of a method for ventilating a patient on a ventilator having a graphical user interface for displaying respiratory data.
  • FIG. 4 illustrates an embodiment of a graphical user interface for displaying a plurality of graphical representations of respiratory data, a delivered breath indicator, and a missed breath indicator.
  • FIG. 5 is a flow diagram illustrating an embodiment of a method for displaying and/or updating the display of a missed breath indicator.
  • FIG. 6 is a flow diagram illustrating an embodiment of a method for displaying and/or updating the display of a missed breath indicator.
  • ventilators are used to provide a breathing gas to a patient who may otherwise be unable to breathe sufficiently.
  • pressurized air and oxygen sources are often available from wall outlets.
  • ventilators may provide pressure regulating valves (or regulators) connected to centralized sources of pressurized air and pressurized oxygen.
  • the regulating valves function to regulate flow so that respiratory gas having a desired concentration of oxygen is supplied to the patient at desired pressures and rates.
  • Ventilators capable of operating independently of external sources of pressurized air are also available.
  • patient effort is a term that can be used to describe many different patient parameters.
  • patient effort shall be used herein to mean a patient's spontaneous attempt to initiate an inspiration or an exhalation as determined by an analysis of pressure, flow, volume, etc. measured by the ventilator. For example, a drop in pressure of greater than a threshold amount may be detected and identified as a single effort of the patient to initiate an inspiration.
  • patient inspiratory effort or “patient expiratory effort” will be used instead of patient effort to remind the reader that what is meant is an attempt by the patient to change the phase of respiratory cycle.
  • This disclosure describes systems and methods for displaying respiratory data to a clinician in a ventilatory system. Specifically, the systems and methods disclosed herein determine and/or display ineffective patient efforts.
  • FIG. 1 is a diagram illustrating an embodiment of an exemplary ventilator 100 connected to a human patient 150 .
  • the ventilator 100 includes a pneumatic system 102 (also referred to as a pressure generating system 102 ) for circulating breathing gases to and from the patient 150 via a ventilation tubing system 130 , which couples the patient to the pneumatic system via an invasive patient interface.
  • a pneumatic system 102 also referred to as a pressure generating system 102
  • a ventilation tubing system 130 which couples the patient to the pneumatic system via an invasive patient interface.
  • the ventilation tubing system 130 may be a two-limb (shown) or a one-limb circuit for carrying gas to and from the patient 150 .
  • a fitting typically referred to as a “wye-fitting” 170 , may be provided to couple the patient interface to an inspiratory limb 132 and an expiratory limb 134 of the ventilation tubing system 130 .
  • the pneumatic system 102 may be configured in a variety of ways.
  • the system 102 includes an expiratory module 108 coupled with the expiratory limb 134 and an inspiratory module 104 coupled with the inspiratory limb 132 .
  • a compressor 106 or other source(s) of pressurized gases e.g., air, oxygen, and/or helium
  • a missed breath module 109 is coupled with the inspiratory module 104 and the expiratory module 108 to detect when a missed breath occurs and is described in more detail in FIG. 2 below.
  • the pneumatic system 102 may include a variety of other components, including sources for pressurized air and/or oxygen, mixing modules, valves, sensors, tubing, accumulators, filters, etc.
  • a controller 110 is operatively coupled with the pneumatic system 102 , signal measurement and acquisition systems, and an operator interface 120 that may enable an operator to interact with the ventilator 100 (e.g., change ventilator settings, select operational modes, view monitored parameters, etc.).
  • the controller 110 may include memory 112 , one or more processors 116 , storage 114 , and/or other components of the type commonly found in command and control computing devices.
  • the memory 112 is computer-readable storage media that stores software that is executed by the processor 116 and which controls the operation of the ventilator 100 .
  • the memory may be transitory or non-transitory.
  • the memory 112 includes one or more solid-state storage devices such as flash memory chips.
  • the memory 112 may be mass storage connected to the processor 116 through a mass storage controller (not shown) and a communications bus (not shown).
  • Computer-readable storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, program modules or other data.
  • Computer-readable storage media includes, but is not limited to, RAM, ROM, EPROM, EEPROM, flash memory or other solid state memory technology, CD-ROM, DVD, or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by the computer.
  • the controller 110 may monitor the pneumatic system 102 in order to evaluate the condition of the patient and to ensure proper functioning of the ventilator.
  • the specific monitoring may be based on inputs received from the pneumatic system 102 and sensors, operator interface 120 , and/or other components of the ventilator.
  • operator interface includes a display 122 that is touch-sensitive, enabling the display to serve both as an input and output device.
  • FIG. 2 is a block diagram illustrating an embodiment of a ventilatory system 200 having a graphical user interface for displaying respiratory data.
  • a ventilator 202 includes a display module 204 , memory 208 , one or more processors 206 , user interface 210 , monitor modules 216 - 222 , time monitor module 224 , graphics module 226 , and ventilation module 212 .
  • the ventilation module 212 further includes a missed breath module 211 .
  • the missed breath module 211 in system 200 is the same as the missed breath module 109 described in the system 100 above.
  • the memory 208 is defined as described above for the memory 112 in FIG. 1 .
  • the one or more processors 206 are defined as described above for the one or more processors 116 .
  • the processors 206 may further be configured with a clock whereby elapsed time may be monitored by the system 200 .
  • a time monitor module 224 may be provided for monitoring time and associating a temporal element with the various data collected by the monitoring modules 216 - 222 .
  • the ventilation module 212 oversees ventilation delivered to a patient according to the ventilator settings prescribed for the patient.
  • the ventilator settings are determined by a selected or predetermined ventilation mode and/or breath type.
  • the ventilation module 212 delivers pressure and/or volume into a ventilatory circuit (depending on whether the ventilator is configured for pressure or volume controlled delivery), and thereby into a patient's lungs, based on the breath type and/or mode.
  • Spontaneous breath types are referred to herein as “trigger detection applications,” since trigger detection applications require detection of patient effort in order to determine when to deliver a breath to the patient.
  • the trigger detection applications include known spontaneous breath types, such as but are not limited to Proportional Assist Ventilation (PAV), Volume Ventilation Plus (VV+), I:E SYNC, Pressure Support (PS), Volume Support (VS), Assist Control (AC), Volume Control (VC), Pressure Control (PC), Airway Pressure Release Ventilation (APRV), Continuous Positive Airway Pressure (CPAP), and BiLevel Positive Airway Pressure (BPAP).
  • PAV Proportional Assist Ventilation
  • VV+ Volume Ventilation Plus
  • I:E SYNC Pressure Support
  • PS Pressure Support
  • VS Volume Support
  • AC Volume Control
  • VC Volume Control
  • PC Pressure Control
  • APRV Airway Pressure Release Ventilation
  • CPAP Continuous Positive Airway Pressure
  • BPAP BiLevel Positive Airway Pressure
  • the trigger detection applications trigger the delivery of a breath when a patient effort is detected. While the methods for determining patient effort vary based on the trigger detection application used, in some embodiments, the patient effort is determined
  • the ventilation module 212 is communicatively coupled to at least one of the monitoring modules 216 - 222 , the display module 204 , the memory 208 , the processor 206 , the user interface 210 , the graphics module 226 , the time monitor module 224 , and any other suitable component and/or module.
  • the trigger detection application may determine when to trigger a breath based on monitored data received from the monitoring modules 216 - 222 .
  • the ventilation module 212 further includes a missed breath module 211 .
  • the missed breath module 211 utilizes a trigger detection application that detects patient efforts to determine when a patient desires a delivered breath. However, this trigger detection application does not ever actually deliver any breath based on the detected patient efforts and is therefore referred to herein as running in the background or as a “background trigger detection application” (also referred to as a first trigger detection application).
  • a trigger detection application utilized to determine when to deliver the breaths to the patient during ventilation by the ventilator is referred to herein as the “active trigger detection application” (also referred to as a second trigger detection application).
  • the background trigger detection application and the active trigger detection application determine a patient effort by monitoring patient parameters from the monitoring modules 216 - 222 .
  • the background trigger detection application determines patient efforts based on monitored intrapleural pressure received from the intrapleural pressure (IP) monitoring module 216 .
  • IP intrapleural pressure
  • the missed breath module 211 compares the detected patient efforts to the delivered breaths by the ventilation module 212 . For any detected patient effort that does not correlate with a delivered breath, the missed breath module 211 determines that the detected patient effort is an ineffective trigger effort by the patient.
  • the missed breath module 211 may store determined information or send determined information to the display module 204 , the processor 206 , the memory 208 , the user interface 210 , the time monitor module 224 , the graphics module 226 , and/or any other suitable component and/or module.
  • the determined information may include a single instance of an ineffective trigger effort by the patient, a sequential history of ineffective trigger efforts over a period of time (either predetermined or input by the clinician), or a rate of ineffective trigger efforts (for example the number of ineffective trigger efforts per minute) that may be averaged over a period of time that is predetermined or input by the clinician.
  • the missed breath module 211 determines the detected patient effort to be an effective trigger effort by the patient.
  • the missed breath module 211 may store determined information or send determined information to the display module 204 , the processor 206 , the memory 208 , the user interface 210 , the time monitor module 224 , the graphics module 226 , and/or any other suitable component and/or module.
  • the determined information may include a single instance of an effective trigger effort by the patient, a sequential history of effective trigger efforts over a period of time (either predetermined or input by the clinician), or a rate of effective trigger efforts (for example the number of effective trigger efforts per minute) that may be averaged over a period of time that is predetermined or input by the clinician.
  • intrapleural pressure is an effective way to determine patient effort.
  • the patient's diaphragm will contract, and decrease the intrapleural pressure in order to draw air (or another substance) into the lungs.
  • the intrapleural pressure change is the first and most direct way to determine patient effort, as a pressure/flow change will happen subsequently. Therefore a trigger detection application that uses intrapleural pressure is more sensitive to patient efforts than a trigger detection application that only uses pressure or flow.
  • a trigger detection application running in the background is a good way to determine when missed breaths occur due to its inherent sensitivity.
  • a patient effort may be used to trigger one or more actions on the part of the ventilator, such as but not limited to a transition from exhalation to inhalation (or from inhalation to exhalation).
  • ventilators depending on their mode of operation, may trigger automatically and/or in response to a detected change in a monitored parameter such as but not limited to patient effort, pressure, and flow.
  • a monitored flow signal is used to determine when patient effort occurs.
  • signals for example, can be used by a trigger detection application to determine when patient effort occurs such as but not limited to patient airway pressure, lung flow, and intrapleural pressure.
  • the ventilator utilizes multiple trigger detection applications simultaneously.
  • a first trigger detection application is used to detect when patient effort occurs, but the ventilator does not actively use the detected patient effort to trigger one or more actions on the part of the ventilator.
  • the first trigger detection application is used to determine when a missed breath occurs.
  • the term “missed breath” refers to a patient effort that does not trigger one or more actions on the part of the ventilator, such as the delivery of a breath, the transition from inhalation to exhalation, or the transition from exhalation to inhalation.
  • the first trigger detection application uses intrapleural pressure to detect when a patient effort occurs.
  • a second trigger detection application is used to determine when to trigger the ventilator.
  • the second trigger detection application may use any suitable current or future known triggering methods based on monitored respiratory parameters such as but not limited to pressure and flow.
  • the display module 204 presents various input screens to a clinician, including but not limited to one or more graphics display screens, as will be described further herein, for receiving clinician input and for displaying useful clinical data to the clinician.
  • the display module 204 is further configured to communicate with the user interface 210 .
  • the display module 204 may provide various windows, controls, and display elements to the clinician via a graphical user interface (GUI) for input and interface command operations.
  • GUI graphical user interface
  • the user interface 210 may accept commands and input through the display module 204 .
  • the display module 204 may also provide useful information in the form of various respiratory data regarding the physical condition of a patient and/or the prescribed respiratory treatment.
  • the useful information may be derived by the ventilator 202 , based on data gathered from the various monitoring modules 216 - 222 , and the useful information may be displayed to the clinician in the form of graphs, wave representations, pie graphs, text, symbols, prompts, graphics, lights, lines, indicators, or other suitable forms of graphic display.
  • the display module 204 may further be an interactive display, whereby the clinician may both receive and communicate information to the ventilator 202 , as by a touch-activated display screen.
  • the user interface 210 may provide other suitable means of communication with the ventilator 202 , for instance by a keyboard or other suitable interactive device.
  • One or more graphics display screens provided by the display module 204 may each display one or more graphic representations of respiratory data, for example, graphical representations may include, inter cilia, pressure waveforms, volume waveforms, flow waveforms, flow curves, pressure-volume loops, flow-volume loops, text, symbols, prompts, graphics, lights, lines, cursors, interactive elements, indicators, or any other current or future known graphical representation suitable for displaying respiratory data.
  • a volume waveform may depict tidal volume, i.e., the total volume of air inhaled and exhaled for one respiratory cycle, over time.
  • a pressure waveform may depict circuit pressure, as measured or derived, for each inspiration and expiration over time.
  • a pressure-volume loop may be generated for each breath, inspiration represented as a positive curve and expiration represented as a negative curve completing a single loop.
  • the graphical representation is a respiratory rate as illustrated in FIG. 4 .
  • an indicator is displayed by the one or more graphics display screens provided by the display module 204 .
  • the indicator may be a missed breath or a delivered breath indicator.
  • the missed breath indicator displays data relating to a missed breath and the delivered breath indicator displays data relating to a delivered breath.
  • the indicators include as measured or derived, for each instance of a delivered and/or missed breath, for total delivered and/or missed breaths over a period of time, for a rate of delivered and/or missed breaths, for a history of delivered and/or missed breaths, or for any combination thereof.
  • the indicator is displayed on top of or within the one or more graphical representations.
  • the ventilator stores a sequential history of the graphical representations and/or respiratory data, such as a missed breath indicator and a delivered breath indicator.
  • the graphics module 226 may archive graphical representations and indicators according to time. Some graphical representations and/or indicators may inherently include a time element, as with waveforms of respiratory data presented over time. Other graphical representations or indicators may be presented as a function of a single respiratory cycle, or breath, such as a flow-volume or a pressure-volume loop.
  • the graphics module 226 or another suitable component or module, may associate the respiratory data of the graphical representation and/or indicators with a time element.
  • the monitoring modules 216 - 222 may associate the respiratory data with a time element, or time stamp, before communicating data to the graphics module 226 .
  • graphical representations and/or indicators may be archived in sequential order based on time.
  • a cursor or indicator is displayed over a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the delivered and/or missed breath occurred.
  • a delivered and/or missed breath indicator is displayed as at least one of text, symbol, prompt, graphic, light, line or by another suitable form of graphic display.
  • the missed breath and delivered breath indicator include the display of a delivered and/or missed breath rate.
  • the graphics module 226 or another suitable component or module, may archive historical data, such as indicators, which may be time-stamped, in sequential order over a particular time period. This rate can be the number or an average of the number of delivered and/or missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician.
  • the indicators may display the number of delivered and/or missed breaths in the last minute.
  • the average can be taken from a predetermined or input number of values over a predetermined or input period of time.
  • the indicators may further display a rate based on an average of the last five values where each value represents the number of delivered and/or missed breaths for that minute.
  • the indicator may display a percentage or ratio at least partially representative of the delivered and/or missed breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known, then the indicator may display a percentage or ratio of delivered and/or missed breaths per total breaths, where total breaths is the addition of missed breaths and delivered breaths.
  • the indicators include a total breath indicator where the total breath indicator represents the addition of missed breaths and delivered breaths.
  • an indicator such as but not limited to text, symbol, prompt, graphic, light, line, cursor, interactive element, or indicator may be displayed to represent that missed breaths are being monitored. Further, an indicator such as but not limited to text, symbol, prompt, graphic, light, line, cursor, interactive element, or indicator may be displayed to represent settings for monitoring missed breaths.
  • a prompt is displayed with adjustable elements representative of turning on and/or off the missed breath module 211 as well as an inhalation and exhalation trigger values for missed breath monitoring. In some embodiments, these indicators are selectable and/or adjusted by a clinician via the user interface.
  • Data may be collected and displayed according to any suitable method.
  • a plurality of various graphical representations and/or indicators may be provided, each graphical representation and/or indicator communicating different useful information to the clinician.
  • the monitoring modules 216 - 222 operate to monitor the physical condition of the patient in conjunction with the proper operation of the ventilator 202 . Although only a sampling of potential monitoring modules are shown and described, any number of suitable monitoring modules may be provided in keeping within the spirit of the present disclosure.
  • the monitoring modules 216 - 222 may communicate with the display module 204 , the user interface 210 , the graphics module 226 , the missed breath module 211 , the ventilation module 212 , and/or other suitable modules or processors of the ventilator 202 . Specifically, the monitoring modules 216 - 222 may communicate with the graphics module 226 and/or the display module 204 such that collected data regarding the physical condition of the patient and/or the prescribed ventilation may be displayed to the clinician.
  • the monitoring modules 216 - 222 may utilize one or more sensors to detect changes in various physiological parameters.
  • the one or more sensors may be placed in any suitable internal location, within the ventilator itself, or in any suitable external location, within the ventilatory circuitry or other devices communicatively coupled to the ventilator 202 .
  • sensors may be coupled to inspiratory and/or expiratory modules for detecting changes in, for example, circuit pressure and flow.
  • the one or more sensors may be affixed to the ventilatory tubing or may be imbedded in the tubing itself.
  • An intrapleural pressure monitor module 216 monitors or estimates intrapleural pressure.
  • the intrapleural pressure monitor module 216 may measure intrapleural pressure according to any suitable method either known or discovered in the future. Alternatively, the intrapleural pressure monitor module 216 may derive intrapleural pressure readings from other data and measurements according to mathematical operations or otherwise. For example, an algorithm that estimates how the patient's intrapleural pressure is changing in real-time based on measured pressure and flow may be used.
  • the algorithm utilized measured pressure, inlet flow, and outlet flow to determine intrapleural pressure is the algorithm described in U.S. patent application Ser. No. 12/980,583 filed Dec. 29, 2010.
  • U.S. patent application Ser. No. 12/980,583 filed Dec. 29, 2010 is incorporated herein by reference in its entirety.
  • a pressure monitor module 218 monitors pressure within a ventilatory circuit.
  • the pressure monitor module 218 may measure pressure according to any suitable method either known or discovered in the future.
  • pressure transducers may be attached at various locations along the ventilatory circuit to detect changes in circuit pressure.
  • sensors may utilize optical or ultrasound techniques for measuring changes in circuit pressure.
  • the pressure monitor module 218 may derive pressure readings from other data and measurements according to mathematical operations or otherwise.
  • a flow monitor module 220 monitors airflow within a ventilatory circuit, for example by utilizing sensors as described above for monitoring pressure.
  • Inspiratory flow may be represented as a positive flow and expiratory flow may be represented as a negative flow.
  • Flow may be measured or derived by any suitable method either currently known or disclosed in the future. Specifically, flow may be derived according to mathematical operations or measured at selected points along the ventilatory circuit.
  • a volume monitor module 222 monitors the volume of air exchanged during a respiratory cycle.
  • the volume monitor module 222 may measure tidal volume by any suitable method, or may derive volume according to mathematical equations based on measurements of pressure and/or flow, for example.
  • the display module 204 may be further configured to communicate with the graphics module 226 .
  • the graphics module 226 may interact with the various monitoring modules 216 - 222 and may process data received from the monitoring modules 216 - 222 and the time module 224 to produce the various indicators and/or graphical representations displayed on the display module 204 .
  • the display module 204 further interacts with the missed breath module 109 .
  • the graphics module 226 may be configured with a clock for monitoring time without need for an additional time module 224 .
  • the graphics module 226 may be configured to process data according to any suitable mathematical or graphical means. For instance, the graphics module 226 may plot raw data received from one monitoring module versus raw data received from another monitoring module.
  • the graphics module 226 may transform raw data received from one or more monitoring modules by utilizing one or more mathematical operations, and may plot the mathematically transformed data versus other raw data, versus other transformed data, or versus a unit of time, for example.
  • the graphics module 226 may transform raw data and may plot transformed or raw data to produce any number of useful graphical representations and/or indicators as may be desired by the clinician.
  • the graphics module 226 may receive commands from the user interface 210 or may be preconfigured to perform certain default operations and manipulations of data for generating useful graphical representations and/or indicators.
  • the graphics module 226 may further be configured to continuously accept data from the various monitoring modules 216 - 222 , the missed breath module 109 , and/or from the user interface 210 such that the graphical representations and/or indicators displayed on the display module 204 may be continuously updated and presented in real-time or quasi-real-time to the clinician.
  • the graphics module 226 may be configured to store historical data associated with each graphical representation and/or indicator.
  • the graphics module 226 may be in communication with the time monitor module 224 , or other clock feature provided by the ventilator 202 , such that data within each graphical representation and/or indicator is associated with a time stamp.
  • underlying respiratory data may be time-stamped as it is received from the monitoring modules 216 - 222 .
  • a time element may be incorporated such that each position on a waveform or loop, for instance, is associated with a time element.
  • the graphics module 226 may archive time-stamped or non-time-stamped historical data in sequential order over a particular time period.
  • a clinician may utilize a scroll feature to scroll through a history of graphical representations and/or indicators stored over the time period.
  • the time period may represent any temporal period of interest to the clinician, for instance, an hour, a day, a week, or an entire treatment period.
  • the ventilator may archive all data during a respiratory treatment period unless the clinician instructs otherwise.
  • the ventilator may archive data over a most recent period, perhaps the last day, in order to free memory for other ventilatory functions.
  • the graphics module 226 may drill into the underlying historical data to determine an associated time element, or may retrieve a time element associated with each stored graphical representation and/or indicator, in order to provide an appropriate graphical representation and/or indicators to the clinician based on a selected historical time. For example, the graphics module 226 may determine an appropriate historical pressure waveform, an appropriate historical indicator, and an appropriate position on the appropriate pressure waveform associated with a selected historical time. The graphics module 226 may display a cursor at the appropriate position on the appropriate pressure waveform and may display historical indicators, such as but not limited to missed breath indicators, delivered breath indicators, and total breath indicators, within an appropriate range of the cursor.
  • the graphics module 226 may also be configured to simultaneously display cursors and historical indicators in corresponding locations on any other displayed graphical representations based on the selected historical time. As described above, reference lines intersecting the cursors and the axes of the various graphical representations may also be provided, along with a plurality of boxed fields for highlighting specific respiratory data associated with the selected historical time.
  • FIG. 3 is a flow diagram illustrating an embodiment of a method 300 for ventilating a patient on a ventilator.
  • the ventilator performing the method 300 is the ventilator 100 described in FIG. 1 , having a graphical user interface for displaying respiratory data.
  • the method 300 includes a respiratory data display operation 304 , an effort detection operation 306 , an effective trigger determination operation 308 , an update delivered breath indicator operation 310 , and an update missed breath indicator operation 312 .
  • a patient is ventilated with a ventilator. As illustrated, the method 300 begins after the start of ventilation.
  • the method 300 includes the respiratory data display operation 304 .
  • the ventilator system during the respiratory data display operation 304 determines at least one graphical representation of respiratory data based on the ventilation of the patient and displays the graphical representations.
  • the ventilator uses the display 122 to perform the respiratory data display operation 304 .
  • the graphical representations may include a waveform, flow curve, pressure-volume loop, flow-volume loop, text symbol, prompt, graphic, light, line, cursor, interactive element, and indicator.
  • the graphical representation may include collected data regarding the physical condition of the patient.
  • the graphical representation may be displayed to the clinician in real-time, quasi-real-time, or historically.
  • a ventilator may provide numerous graphical representations of respiratory data to a clinician during respiration of a patient.
  • the graphical representation may be determined by the ventilator during the respiratory data display operation 304 based on monitored data.
  • the ventilator may receive the monitored data from monitoring modules, such as the monitoring modules 216 - 222 discussed in FIG. 2 above.
  • the ventilator may store a sequential history of the graphical representations provided.
  • the graphics module 226 or another suitable component or module, may archive graphical representations according to time. Some graphical representations may inherently include a time element, as with waveforms of respiratory data presented over time. Other graphical representations may be presented as a function of a single respiratory cycle, or breath, such as a flow-volume or a pressure-volume loop.
  • the graphics module 226 or another suitable component or module, may associate the respiratory data of the graphical representation with a time element.
  • the monitoring modules 216 - 222 may associate the respiratory data with a time element, or time stamp, before communicating data to the graphics module 226 .
  • graphical representations may be archived in sequential order based on time.
  • the respiratory data display operation 304 may be performed at any time and/or simultaneously with any other operation in the method 300 that is performed after the start of ventilation but before the performance of the display delivered breath indicator operation 310 and the display missed breath indicator operation 312 .
  • the method 300 further includes the effort detection operation 306 .
  • the ventilator system during the effort detection operation 306 monitors patient respiratory data and detects patient effort with an active and a background trigger detection application.
  • patient effort refers to an effort exerted by the patient to inspire and/or exhale gases.
  • a trigger detection application is a hardware or software application that determines when a patient effort occurs based on a selected or predetermined spontaneous breath type.
  • the active trigger detection application may include Proportional Assist Ventilation (PAV), Volume Ventilation Plus (VV+), I:E SYNC, Pressure Support (PS), Volume Support (VS), Assist Control (AC), Volume Control (VC), Pressure Control (PC), Airway Pressure Release Ventilation (APRV), Continuous Positive Airway Pressure (CPAP), and BiLevel Positive Airway Pressure (BPAP).
  • PAV Proportional Assist Ventilation
  • VV+ volume Ventilation Plus
  • I:E SYNC Pressure Support
  • PS Volume Support
  • AC Assist Control
  • VC Volume Control
  • PC Pressure Control
  • APRV Airway Pressure Release Ventilation
  • CPAP Continuous Positive Airway Pressure
  • BPAP BiLevel Positive Airway Pressure
  • the active trigger detection application may determine patient efforts based on monitoring respiratory parameters such as but not limited to pressure and flow.
  • the background trigger detection application is I:E SYNC.
  • the background trigger detection application determines patient effort based on monitoring intrapleural pressure.
  • the method 300 includes the trigger determination operation 308 .
  • the ventilator during the trigger determination operation 308 determines whether a detected patient effort was effective or ineffective.
  • the effective patient effort is determined based on detected patient effort by the second trigger detection application.
  • a patient effort detected by the second trigger detection application that results in the delivery of a breath is determined to be effective.
  • a first patient effort detected by the first trigger detection application correlates to a second patient effort detected by the second trigger detection application, then the two detected patient efforts are considered to have been generated by the same patient effort and is therefore determined effective.
  • the first patient effort and the second patient effort may correlate if recorded at the same time or within a reasonable and expected time delay, such as 3 seconds or less. This effective patient effort may result in the delivery of a breath.
  • the ineffective trigger effort is determined based on detected patient effort by the first trigger detection application not correlating with detected patient effort by the second trigger detection application.
  • the first patient effort and the second patient effort may correlate if recorded at the same time or within a reasonable and expected time delay, such as 3 seconds or less. If there is not any correlation between the first detected patient effort and the second detected patient effort, then the patient effort that was not used to trigger the ventilator, in this case the first detected patient effort, is determined to be ineffective. Further, a missed breath is the direct result of an ineffective effort.
  • an equation or mathematical operation is used to determine if the first detected patient effort correlates with the second detected patient effort.
  • the first trigger detection application is running in the background, and not actively used to trigger the delivery of breaths to the patient. Further, the second trigger detection application is actively working and is used to trigger the delivery of breaths to the patient.
  • the first trigger detection application determines patient effort based at least in part on intrapleural pressure.
  • the method 300 will perform the update delivered breath indicator operation 310 . If the detected patient effort is determined to be ineffective, the method 300 will perform the update missed breath indicator operation 312 .
  • the method 300 further includes the update delivered breath indicator operation 310 .
  • the ventilator during the update delivered breath indicator operation 310 displays a delivered breath indicator for the effective trigger effort on the graphical representation.
  • the ventilator during the update delivered breath indicator operation 310 updates the display of a delivered breath indicator that was previously displayed.
  • the ventilator may store a sequential history of the delivered breath indicators provided.
  • the graphics module 226 or another suitable component and/or module, may archive delivered breath indicators according to time, and may associate a time element with the delivered breath indicators.
  • the monitoring modules 216 - 222 associate the delivered breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 .
  • delivered breath indicators may be archived in sequential order based on time, resulting in an archived effective indicator.
  • the delivered breath indicator is displayed on top of a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the delivered breath occurred.
  • a delivered breath indicator is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display.
  • the delivered breath indicator displays a delivered breath rate. This rate can be the number or an average of the number of delivered breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician.
  • a delivered breath indicator displays the number of delivered breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time. For example, a delivered breath indicator displays a rate based on an average of the last five values where each value represents the number of delivered breaths for that minute. In an embodiment, a delivered breath indicator displays a percentage or ratio at least partially representative of the delivered breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known then a delivered breath indicator representing a percentage or ratio of delivered breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths. Indeed, data may be collected and displayed according to any suitable method.
  • the method 300 further includes the update missed breath indicator operation 312 .
  • the ventilator during the update missed breath indicator operation 312 displays a missed breath indicator for the ineffective trigger effort on the graphical representation.
  • the ventilator during the update missed breath indicator operation 312 updates the display of a missed breath indicator that was previously displayed.
  • the ventilator may store a sequential history of the missed breath indicators provided.
  • the missed breath module 211 or another suitable component and/or module, may archive missed breath indicators according to time, and may associate a time element with the missed breath indicators.
  • the monitoring modules 216 - 222 may associate the missed breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 and/or the missed breath module 211 .
  • missed breath indicators may be archived in sequential order based on time, resulting in an archived ineffective indicator.
  • missed breath indicators as well as delivered breath indicators may be archived in sequential order based on time, resulting in an archived total indicator.
  • the missed breath indicator is displayed on top of a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the missed breath occurred.
  • a missed breath is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display.
  • the missed breath indicator displays a missed breath rate.
  • This rate can be the number or an average of the number of missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician.
  • a missed breath indicator displays the number of missed breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time.
  • a missed breath indicator displays a rate based on an average of the last five values where each value represents the number of missed breaths for that minute.
  • a missed breath indicator displays a percentage or ratio at least partially representative of the missed breaths.
  • a missed breath indicator representing a percentage or ratio of missed breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths.
  • the missed breath indicator displays a total breath indicator where the total breath indicator at least partially represents the total breaths, where the total breaths is the addition of missed breaths and delivered breaths.
  • a missed breath indicator may be displayed to represent that missed breaths are being monitored. Further, a missed breath indicator may be displayed to represent settings for monitoring missed breaths.
  • a missed breath indicator displays a prompt with adjustable elements representative of turning on and/or off the missed breath monitoring as well as inhalation and exhalation trigger values for missed breath monitoring using the first trigger detection application.
  • data may be collected and displayed according to any suitable method.
  • the update delivered breath indicator operation 310 and the update missed breath indicator operation 312 may be performed in any order and/or simultaneously. In one embodiment, the update delivered breath indicator operation 310 and/or the update missed breath indicator operation 312 are performed in real-time or quasi-real-time.
  • the method 300 repeats and/or is performed at least once during each breath cycle.
  • FIG. 4 illustrates an embodiment of a graphical user interface (GUI) 400 for displaying a plurality of graphical representations of respiratory data, a delivered breath indicator, and a missed breath indicator.
  • GUI graphical user interface
  • FIG. 4 illustrates an embodiment of a missed breath display screen wherein a clinician may initiate a missed breath monitoring mode and thereafter may simultaneously view a plurality of graphical representations and missed breath indicators corresponding to missed breaths.
  • the disclosed embodiment of the graphical user interface 400 provides a plurality of graphical representations of respiratory data to a clinician.
  • Graphical representations may include, inter cilia, pressure waveforms, volume waveforms, flow waveforms, flow curves, pressure-volume loops, flow-volume loops, text, symbols, prompts, graphics, lights, lines, cursors, interactive elements, indicators, or any other current or future known graphical representation suitable for the GUI 400 .
  • the GUI 400 includes, for example, a pressure waveform (graphical representation 402 ), a flow waveform (graphical representation 404 ), a historical delivered breath indicator (delivered breath indicator 406 ), a delivered breath indicator (delivered breath indicator 408 ), a missed breath indicator (missed breath indicator 410 ), a historical missed breath indicator (missed breath indicator 412 ), a missed breath cursor (missed breath indicator 414 ), a delivered breath cursor (delivered breath indicator 416 ), and a monitoring mode settings box (missed breath indicator 418 ).
  • the pressure waveform 402 may display circuit pressure in cm H 2 O over time (for example, over seconds, s). As shown, the pressure waveform 402 illustrates two distinct peaks in circuit pressure, corresponding to the inspiratory phases of two respiratory cycles, or breaths.
  • the flow waveform 404 may display flow in liters (L) over time (for example, over minutes, min). As shown, the flow waveform 404 illustrates inspiratory flow as a positive curve, and expiratory flow as a negative curve. Two distinct respiratory cycles or breaths, each including a positive inspiratory phase and a negative expiratory phase, are illustrated in the flow waveform 404 .
  • the delivered breath indicator 408 may be provided to display the rate of delivered breaths over time (for example, over minutes, min) for a period of time.
  • the delivered breath indicator 408 is a floating indicator over an axis of breaths per minute.
  • the delivered breath indicator 408 may be text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or any display element suitable to display a rate of delivered breaths over time.
  • the period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical delivered breath indicator 406 as the current delivered breath indicator 408 .
  • the clinician can change ventilation settings and observe how the change in settings affects the delivered breath indicator 408 .
  • This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony.
  • the delivered breath indicator 408 includes a numeric value and/or text used to display delivered breaths over time for a period of time. For example, at least one of a number of delivered breaths over a period of time, such as the last minute, and a percentage or ratio of how many of the total breaths over a period of time, such as the last minute, were delivered where total breaths is the addition of missed breaths and delivered breaths.
  • the missed breath indicator 410 may be provided to display the rate of missed breaths over time (for example, over minutes, min) for a period of time.
  • the missed breath indicator 410 is a floating indicator over an axis of breaths per minute.
  • the missed breath indicator 410 may be text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or any display element suitable to display a rate of missed breaths over time.
  • the period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical missed breath indicator 412 as the current missed breath indicator 410 .
  • the clinician can change ventilation settings and observe how the change in settings affects the missed breath indicator 410 .
  • This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony.
  • the missed breath indicator 410 includes a numeric value and/or text used to display missed breaths over time for a period of time. For example, at least one of a number of missed breaths over a period of time, such as the last minute, and a percentage or ratio of how many of the total breaths over a period of time, such as the last minute, were missed where total breaths is the addition of missed breaths and delivered breaths.
  • the historical delivered breath indicator 406 may be provided to display the rate of delivered breaths over time (for example, over minutes, min) for a historical archived period of time.
  • the historical delivered breath indicator 406 is a floating indicator over an axis of breaths per minute.
  • the historical archived period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical delivered breath indicator 406 as the current delivered breath indicator 408 . Then the clinician can change ventilation settings and observe how the change in settings affects the delivered breath indicator 408 . This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony.
  • the historical delivered breath indicator 406 includes a numeric value and/or text used to display delivered breaths over time for a historical archived period of time. For example, at least one of a number of delivered breaths over a period of time, such as a minute, and a percentage or ratio of how many of the total breaths over a period of time, such as a minute, were delivered where total breaths is the addition of missed breaths and delivered breaths.
  • the historical missed breath indicator 412 displays the rate of total breaths over time (for example, over minutes, min) for a historical archived period of time, where total breaths is the addition of delivered breaths and missed breaths. In another embodiment, the historical missed breath indicator 412 displays the rate of missed breaths over time (for example, over minutes, min) for a historical archived period of time. As shown, the historical missed breath indicator 412 is a floating indicator over an axis of breaths per minute. Further, the historical missed breath indicator 412 is of a shape that will form a distinguishable shape, which may or may not be different, when representing the same value on the axis as the historical delivered breath indicator 406 . In an embodiment, the historical archived period of time is predetermined or input by a clinician.
  • the clinician can set the historical missed breath indicator 412 as the current missed breath indicator 410 . Then the clinician can change ventilation settings and observe how the change in settings affects the missed breath indicator 410 . This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony.
  • the historical missed breath indicator 412 includes a numeric value and/or text used to display missed breaths over time for a historical archived period of time.
  • a number of missed breaths over a period of time such as a minute
  • a percentage or ratio of how many of the total breaths over a period of time such as a minute
  • total breaths is the addition of missed breaths and delivered breaths.
  • the axis label “Respiratory Rate Synchrony Indicator” represents a missed breath indicator used to display that a mode, such as the missed breath module 211 or trigger detection applications as described above, is running in the background to determine when missed breaths occur.
  • the GUI 400 further includes the missed breath cursor 414 .
  • the missed breath cursor 414 is a specific type of missed breath indicator 410 that is provided to display relative to another graphical representation, for example the pressure waveform 402 and/or the flow waveform 404 , when a missed breath occurred.
  • missed breath indicators may be time-stamped, or otherwise associated with a time element, when respiratory data is received by the monitoring modules 216 - 222 or the missed breath module 211 .
  • a time element may be associated with the respiratory data when a graphical representation and/or indicator is generated by the graphics module 226 or missed breath module 211 , for example.
  • the graphics module 226 may determine appropriate respiratory data corresponding to the scroll time.
  • the appropriate respiratory data may then be displayed as the missed breath cursor 414 .
  • the missed breath cursor 414 is a cursor displayed at the correct temporal location over the pressure waveform 402 and the flow waveform 404 , and represents an occurrence of a missed breath.
  • the missed breath cursor 414 as shown is of a shape that will form a distinguishable shape, which may or may not be different, when located at the same or similar temporal location as the delivered breath cursor 416 .
  • a patient effort detected using the missed breath module 211 or the trigger detection applications as described above while running in the background to detect missed breaths is displayed using the missed breath cursor 414 .
  • the most recent breath (the cursor furthest to the right of the pressure 402 and flow waveforms 404 ) was triggered by a patient effort that was detected by both a mode running in the background to detect missed breaths and a mode used to trigger the ventilator, and therefore the cursor forms a different shape, in this case a diamond as opposed to a triangle, which can be interpreted by a clinician as a synchronous patient effort, or a patient effort that directly resulted in the delivery of a breath from the ventilator.
  • the GUI 400 further includes the delivered breath cursor 416 .
  • the delivered breath cursor 416 is a specific type of missed breath indicator 410 that is provided to display relative to another graphical representation, for example the pressure waveform 402 and/or the flow waveform 404 , when a delivered breath occurred.
  • delivered breath indicators may be time-stamped, or otherwise associated with a time element, when respiratory data is received by the monitoring modules 216 - 222 .
  • a time element may be associated with the respiratory data when a graphical representation is generated by the graphics module 226 , for example.
  • the graphics module 226 may determine appropriate respiratory data corresponding to the scroll time.
  • the appropriate respiratory data may then be displayed as the delivered breath cursor 416 .
  • the delivered breath cursor 416 is a cursor displayed at the correct temporal location over the pressure waveform 402 and the flow waveform 404 , and represents an occurrence of a delivered breath.
  • the delivered breath cursor 416 as shown is of a shape that will form a distinguishable shape, which may or may not be different, when located at the same or similar temporal location as the missed breath cursor 414 .
  • a patient effort detected using the monitoring modules 216 - 222 or the trigger detection applications as described above while running in the foreground to detect patient effort or other respiratory data used to trigger the delivery of a breath is displayed using the delivered breath cursor 416 .
  • the GUI 400 further includes the monitoring mode settings 418 .
  • the monitoring mode settings 418 may be provided to display and/or adjust one or more settings relating to the trigger detection application running in the background to detect missed breaths. As shown the monitoring mode settings 418 include an option for turning the missed breath monitoring on or off, a setting to adjust the inhalation trigger sensitivity level of the background trigger detection application, a setting to adjust the exhalation trigger sensitivity level of the background trigger detection application, and an option to close, or not display, the monitoring mode settings 418 .
  • the disclosed windows and elements of the GUI 400 may be arranged in any suitable order or configuration such that information may be communicated to the clinician in an efficient and orderly manner.
  • Windows disclosed in the illustrated embodiment of the GUI 400 may be configured with elements for accessing alternative graphical display screens as may be provided by the ventilator.
  • Disclosed windows and elements are not to be understood as an exclusive array, as any number of similar suitable windows and elements may be displayed for the clinician within the spirit of the present disclosure.
  • the disclosed windows and elements are not to be understood as a necessary array, as any number of the disclosed windows and elements may be appropriately replaced by other suitable windows and elements without departing from the spirit of the present disclosure.
  • the illustrated embodiment of the GUI 400 is provided as an example only, including potentially useful windows and elements that may be provided to the clinician to facilitate the input of selections and commands relevant to the display of respiratory data and to display such respiratory data in an orderly and informative way, as described herein.
  • FIG. 5 is a flow diagram illustrating an embodiment of a method 500 for displaying and/or updating the display of a missed breath indicator.
  • the method 500 is performed by the missed breath module 109 described in FIG. 1 .
  • the ventilator system during the method 500 starts ventilation as is described with respect to starting ventilation in the above method 300 .
  • the method 500 further includes a detect patient effort operation 506 and an effective trigger determination operation 508 , which are the same as operations 306 and 308 , respectively, and a update missed breath indicator operation 512 .
  • the effective trigger determination operation 508 if the patient effort is determined to be effective the method 500 will return to the detect patient effort operation 506 .
  • the effective trigger determination operation 508 if the patient effort is determined to be ineffective the method 500 will proceed to the update missed breath indicator operation 512 .
  • the method 500 further includes the update missed breath indicator operation 512 .
  • the ventilator during the update missed breath indicator operation 512 displays a missed breath indicator for the ineffective trigger effort.
  • the ventilator during the update missed breath indicator operation 512 updates the display of a missed breath indicator previously displayed for the ineffective trigger effort.
  • the ventilator may store a sequential history of the missed breath indicators provided.
  • the missed breath module 211 or another suitable component and/or module, may archive missed breath indicators according to time, and may associate a time element with the missed breath indicators.
  • the monitoring modules 216 - 222 may associate the missed breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 and/or the missed breath module 211 .
  • missed breath indicators may be archived in sequential order based on time, resulting in an archived ineffective indicator.
  • a missed breath is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display.
  • the missed breath indicator displays a missed breath rate. This rate can be the number or an average of the number of missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician.
  • a missed breath indicator displays the number of missed breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time.
  • a missed breath indicator displays a rate based on an average of the last five values where each value represents the number of missed breaths for that minute.
  • a missed breath indicator displays a percentage or ratio at least partially representative of the missed breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known then a missed breath indicator representing a percentage or ratio of missed breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths.
  • the missed breath indicator displays a total breath indicator where the total breath indicator at least partially represents the total breaths, where the total breaths are the addition of missed breaths and delivered breaths. Additionally, a missed breath indicator may be displayed to represent that missed breaths are being monitored.
  • a missed breath indicator may be displayed to represent settings for monitoring missed breaths.
  • a missed breath indicator displays a prompt with adjustable elements representative of turning on and/or off the missed breath monitoring as well as inhalation and exhalation trigger values for missed breath monitoring using the first trigger detection application.
  • data may be collected and displayed according to any suitable method.
  • FIG. 6 is a flow diagram illustrating an embodiment of a method 600 for displaying and/or updating the display of a missed breath indicator.
  • the method 600 is performed by the missed breath module 109 described in FIG. 1 .
  • the ventilator system during the method 600 starts ventilation as is described with respect to starting ventilation in the above method 300 .
  • the method 600 further includes a monitor ventilation operation 602 , a detect patient effort operation 604 , a calculate missed breaths operation 608 , and an update missed breath indicator operation 612 .
  • the method further includes an update counter operation 606 .
  • the method 600 includes the monitor ventilation operation 602 .
  • the ventilator monitors respiratory data with at least one sensor.
  • the at least one sensor is similar to the sensors utilized by the monitoring modules 216 - 222 as described above.
  • the respiratory data includes at least one of a pressure, flow, volume, intrapleural pressure, and/or any other data collected regarding the physical condition of the patient.
  • the method 600 further includes the detect patient effort operation 604 .
  • the ventilator analyzes the respiratory data with a first trigger detection application and a second trigger detection application. Further, during the detect patient effort operation 604 the ventilator detects patient inspiratory and/or expiratory efforts with the first trigger detection application and the second trigger detection application.
  • the ventilator uses at least two trigger detection applications to analyze the monitored respiratory data.
  • a trigger detection application is a hardware or software application that determines when a patient effort occurs based on a selected or predetermined spontaneous breath type.
  • the second, or active trigger detection application may include Proportional Assist Ventilation (PAV), Volume Ventilation Plus (VV+), I:E SYNC, Pressure Support (PS), Volume Support (VS), Assist Control (AC), Volume Control (VC), Pressure Control (PC), Airway Pressure Release Ventilation (APRV), Continuous Positive Airway Pressure (CPAP), and BiLevel Positive Airway Pressure (BPAP).
  • the active trigger detection application may determine patient efforts based on monitoring respiratory parameters such as but not limited to pressure and flow.
  • the first, or background trigger detection application is I:E SYNC.
  • the background trigger detection application determines patient effort based on monitoring intrapleural pressure.
  • the method 600 will return to the monitor ventilation operation 602 .
  • the method 600 will proceed to the calculate missed breaths operation 608 .
  • the method 600 will proceed to the update counter operation 606 .
  • the method 600 includes the calculate missed breaths operation 608 .
  • the ventilator calculates a missed breaths metric based on detected patient inspiratory and/or expiratory efforts by the first trigger detection application and detected patient inspiratory and/or expiratory efforts by the second trigger detection application.
  • a missed breaths metric is an equation, number, point in time, value, percentage, rate, ratio, relationship, or any other suitable representation of missed breaths.
  • the first trigger detection application detects a patient inspiratory and/or expiratory effort that is not within an expected and reasonable time delay, such as 3 seconds or less, of a patient inspiratory and/or expiratory effort detected by the second trigger detection application, then a breath has been missed.
  • the ventilator during the calculate missed breaths operation 608 may store a single instance of a missed breath or a sequential history of the missed breaths over a predetermined period of time or a period of time set by a clinician. In an embodiment, an equation or mathematical operation is used to determine if the first detected patient effort correlates with the second detected patient effort.
  • the ventilator during the calculate missed breaths operation 608 calculates a missed breaths metric based on the at least one counter.
  • the method 600 further includes the update counter operation 606 .
  • the ventilator updates a counter with a sum of the detected patient inspiratory and/or expiratory efforts by the first trigger detection application and a sum of the detected patient inspiratory and/or expiratory efforts by the second trigger detection application.
  • at least two counters are used, where a first counter is updated with a sum of the detected patient inspiratory and/or expiratory efforts by the first trigger detection application and a second counter is updated with a sum of the detected patient inspiratory and/or expiratory efforts by the second trigger detection application.
  • a single counter is used where a count of patient inspiratory and/or expiratory efforts detected with the first trigger detection application is added to the counter and a count of patient inspiratory and/or expiratory efforts detected with the second trigger detection application is subtracted from the counter.
  • a mathematical model, or algorithm is used to calculate how patient inspiratory and/or expiratory efforts detected with the first or second trigger detection applications update at least one counter.
  • the at least one counter is reset after a predetermined amount of time or breath cycles, or in response to clinician input.
  • a first counter represents a sum of patient inspiratory and/or expiratory efforts detected with a first trigger detection application and a second counter represents a sum of patient inspiratory and/or expiratory efforts detected with a second trigger detection application.
  • the ventilator during the calculate missed breaths operation 608 performs an algorithm or mathematical operation, such as subtracting the count of the second counter from the count of the first counter, with the two counters to calculate a missed breaths metric.
  • the value of a counter represents a missed breaths metric and no further algorithm or mathematical operation is needed to calculate the missed breaths metric.
  • a single counter is used and an algorithm or mathematical operation must be performed with the counter in order to calculate the missed breaths metric. Indeed, the missed breaths metric may be calculated according to any suitable method.
  • the method 600 further includes the update missed breath indicator operation 612 .
  • the ventilator during the update missed breath indicator operation 612 displays a missed breath indicator based on the missed breaths metric.
  • the ventilator during the update missed breath indicator operation 612 updates the display of a previously displayed missed breath indicator based on the missed breaths metric.
  • the ventilator may store a sequential history of the missed breath indicators provided.
  • the missed breath module 211 or another suitable component and/or module, may archive missed breath indicators according to time, and may associate a time element with the missed breath indicators.
  • the monitoring modules 216 - 222 may associate the missed breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 and/or the missed breath module 211 .
  • missed breath indicators may be archived in sequential order based on time, resulting in an archived ineffective indicator.
  • the missed breath indicator is displayed on top of a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the missed breath occurred.
  • a missed breath is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display.
  • the missed breath indicator displays a missed breath rate.
  • This rate can be the number or an average of the number of missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician.
  • a missed breath indicator displays the number of missed breaths in the last minute.
  • the average can be taken from a predetermined or input number of values over a predetermined or input period of time.
  • a missed breath indicator displays a rate based on an average of the last five values where each value represents the number of missed breaths for that minute.
  • a missed breath indicator displays a percentage or ratio at least partially representative of the missed breaths.
  • a missed breath indicator representing a percentage or ratio of missed breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths.
  • the missed breath indicator displays a total breath indicator where the total breath indicator at least partially represents the total breaths, where the total breaths is the addition of missed breaths and delivered breaths.
  • a missed breath indicator may be displayed to represent that missed breaths are being monitored. Further, a missed breath indicator may be displayed to represent settings for monitoring missed breaths. For example, a missed breath indicator displays a prompt with adjustable elements representative of turning on and/or off the missed breath monitoring as well as inhalation and exhalation trigger values for missed breath monitoring using the first trigger detection application. Indeed, data may be collected and displayed according to any suitable method.
  • the method 600 following the update missed breath indicator operation 612 returns to the monitor ventilation operation 602 .

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Abstract

This disclosure describes improved systems and methods for displaying respiratory data to a clinician in a ventilatory system. Respiratory data may be displayed by any number of suitable means, for example, via appropriate graphs, diagrams, charts, waveforms, and other graphic displays. The disclosure describes novel systems and methods for determining and displaying ineffective patient inspiratory or expiratory efforts or missed breaths in a manner easily deciphered by a clinician.

Description

    INTRODUCTION
  • A ventilator is a device that mechanically helps patients breathe by replacing some or all of the muscular effort required to inflate and deflate the lungs. During respiration, the ventilator may be configured to present various graphs, charts, and other displays indicative of the physical condition of the patient and the respiratory treatment provided. The ventilatory displays may be further designed to present relevant clinical information to a practitioner in an efficient and orderly manner.
  • Missed Breath Detection and Indication
  • This disclosure describes improved systems and methods for displaying respiratory data to a clinician in a ventilatory system. Respiratory data may be displayed by any number of suitable means, for example, via appropriate graphs, diagrams, charts, waveforms, and other graphic displays. The disclosure describes novel systems and methods for determining and displaying ineffective patient inspiratory or expiratory efforts or missed breaths in a manner easily deciphered by a clinician.
  • In part, this disclosure describes a method for determining missed breaths. The method includes:
  • a) monitoring respiratory data with at least one sensor;
  • b) analyzing the respiratory data with a first trigger detection application and a second trigger detection application;
  • c) detecting patient inspiratory efforts with the first trigger detection application and the second trigger detection application;
  • d) calculating a missed breaths metric based on detected patient inspiratory efforts by the first trigger detection application and detected patient inspiratory efforts by the second trigger detection application; and
  • e) displaying a missed breath indicator based on the missed breaths metric.
  • Yet another aspect of this disclosure describes a medical ventilator including:
  • a) at least one display device;
  • b) a missed breath module that determines missed breaths based on a first trigger detection application;
  • c) a ventilation module that determines ventilation of a patient based on a second trigger detection application; and
  • d) at least one memory, communicatively coupled to the at least one processor and containing instructions that, when executed by a processor of the ventilatory system, provide a graphical user interface on the at least one display, comprising a missed breath indicator.
  • The disclosure further describes a computer-readable medium having computer-executable instructions for performing a method implemented by a ventilator for determining missed breaths, the method includes:
  • a) repeatedly monitoring respiratory data with at least one sensor;
  • b) repeatedly analyzing the respiratory data with a first trigger detection application and a second trigger detection application;
  • c) repeatedly detecting patient inspiratory efforts with the first trigger detection application and the second trigger detection application;
  • d) repeatedly calculating a missed breaths metric based on the results of the detection operation; and
  • e) repeatedly displaying a missed breath indicator based on the missed breaths metric.
  • The disclosure also describes a medical ventilator system, including means for monitoring respiratory data with at least one sensor, means for analyzing the respiratory data with a first trigger detection application and a second trigger detection application, means for detecting patient inspiratory efforts with the first trigger detection application and the second trigger detection application, means for calculating a missed breaths metric based on the results of the detection operation, and means for displaying a missed breath indicator based on the missed breaths metric.
  • These and various other features as well as advantages which characterize the systems and methods described herein will be apparent from a reading of the following detailed description and a review of the associated drawings. Additional features are set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the technology. The benefits and features of the technology will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
  • It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The following drawing figures, which form a part of this application, are illustrative of embodiments, systems, and methods described below and are not meant to limit the scope of the invention in any manner, which scope shall be based on the claims appended hereto.
  • FIG. 1 is a diagram illustrating an embodiment of an exemplary ventilator connected to a human patient.
  • FIG. 2 is a block diagram illustrating an embodiment of a ventilatory system having a graphical user interface for displaying respiratory data.
  • FIG. 3 is a flow diagram illustrating an embodiment of a method for ventilating a patient on a ventilator having a graphical user interface for displaying respiratory data.
  • FIG. 4 illustrates an embodiment of a graphical user interface for displaying a plurality of graphical representations of respiratory data, a delivered breath indicator, and a missed breath indicator.
  • FIG. 5 is a flow diagram illustrating an embodiment of a method for displaying and/or updating the display of a missed breath indicator.
  • FIG. 6 is a flow diagram illustrating an embodiment of a method for displaying and/or updating the display of a missed breath indicator.
  • DETAILED DESCRIPTION
  • Although the techniques introduced above and discussed in detail below may be implemented for a variety of medical devices, the present disclosure will discuss the implementation of these techniques in the context of a medical ventilator for use in providing ventilation support to a human patient. The reader will understand that the technology described in the context of a medical ventilator for human patients could be adapted for use with other systems such as ventilators for non-human patients, general gas transport systems, and other therapeutic equipment having graphical user interfaces for displaying data.
  • Medical ventilators are used to provide a breathing gas to a patient who may otherwise be unable to breathe sufficiently. In modern medical facilities, pressurized air and oxygen sources are often available from wall outlets. Accordingly, ventilators may provide pressure regulating valves (or regulators) connected to centralized sources of pressurized air and pressurized oxygen. The regulating valves function to regulate flow so that respiratory gas having a desired concentration of oxygen is supplied to the patient at desired pressures and rates. Ventilators capable of operating independently of external sources of pressurized air are also available.
  • In the medical device field, “patient effort” is a term that can be used to describe many different patient parameters. To be clear, for the purposes of this document, the term “patient effort” shall be used herein to mean a patient's spontaneous attempt to initiate an inspiration or an exhalation as determined by an analysis of pressure, flow, volume, etc. measured by the ventilator. For example, a drop in pressure of greater than a threshold amount may be detected and identified as a single effort of the patient to initiate an inspiration. At time, the phrase “patient inspiratory effort” or “patient expiratory effort” will be used instead of patient effort to remind the reader that what is meant is an attempt by the patient to change the phase of respiratory cycle.
  • A recent study suggests that clinicians are able to detect less than one-third of patient efforts that do not result in the delivery of a breath, or missed breaths.1 Further, this study has shown that the rate of correct detection decreases as the prevalence of missed breaths increases. Considering that missed breaths may occur in up to 80% of mechanically ventilated patients, systems and methods for displaying missed breaths are needed. While operating a ventilator on a spontaneously breathing patient, it is desirable to limit, or preferably eliminate, patient efforts that do not result in the delivery of a breath. Hereinafter, patient efforts that do not result in the delivery of a breath shall be referred to as “ineffective patient efforts” or “ineffective triggers”. In addition, patient inspiratory efforts that do not result in the delivery of a breath by the ventilator may also be referred to as “missed breaths”. Colombo, D., Cammarota, G., Alemani, M., Carenzo, L., Barra, F., Vaschetto, R., et al. (2011). Efficacy of ventilator waveforms observation in detecting patient-ventilator asynchrony. Critical Care Medicine, p. 3.
  • This disclosure describes systems and methods for displaying respiratory data to a clinician in a ventilatory system. Specifically, the systems and methods disclosed herein determine and/or display ineffective patient efforts.
  • FIG. 1 is a diagram illustrating an embodiment of an exemplary ventilator 100 connected to a human patient 150. The ventilator 100 includes a pneumatic system 102 (also referred to as a pressure generating system 102) for circulating breathing gases to and from the patient 150 via a ventilation tubing system 130, which couples the patient to the pneumatic system via an invasive patient interface.
  • The ventilation tubing system 130 may be a two-limb (shown) or a one-limb circuit for carrying gas to and from the patient 150. In a two-limb embodiment as shown, a fitting, typically referred to as a “wye-fitting” 170, may be provided to couple the patient interface to an inspiratory limb 132 and an expiratory limb 134 of the ventilation tubing system 130.
  • The pneumatic system 102 may be configured in a variety of ways. In the present example, the system 102 includes an expiratory module 108 coupled with the expiratory limb 134 and an inspiratory module 104 coupled with the inspiratory limb 132. A compressor 106 or other source(s) of pressurized gases (e.g., air, oxygen, and/or helium) is coupled with an inspiratory module 104 to provide a gas source for ventilatory support via the inspiratory limb 132. A missed breath module 109 is coupled with the inspiratory module 104 and the expiratory module 108 to detect when a missed breath occurs and is described in more detail in FIG. 2 below.
  • The pneumatic system 102 may include a variety of other components, including sources for pressurized air and/or oxygen, mixing modules, valves, sensors, tubing, accumulators, filters, etc. A controller 110 is operatively coupled with the pneumatic system 102, signal measurement and acquisition systems, and an operator interface 120 that may enable an operator to interact with the ventilator 100 (e.g., change ventilator settings, select operational modes, view monitored parameters, etc.). The controller 110 may include memory 112, one or more processors 116, storage 114, and/or other components of the type commonly found in command and control computing devices.
  • The memory 112 is computer-readable storage media that stores software that is executed by the processor 116 and which controls the operation of the ventilator 100. The memory may be transitory or non-transitory. In an embodiment, the memory 112 includes one or more solid-state storage devices such as flash memory chips. In an alternative embodiment, the memory 112 may be mass storage connected to the processor 116 through a mass storage controller (not shown) and a communications bus (not shown). Although the description of computer-readable media contained herein refers to a solid-state storage, it should be appreciated by those skilled in the art that computer-readable storage media can be any available media that can be accessed by the processor 116. Computer-readable storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, program modules or other data. Computer-readable storage media includes, but is not limited to, RAM, ROM, EPROM, EEPROM, flash memory or other solid state memory technology, CD-ROM, DVD, or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by the computer.
  • As described in more detail below, the controller 110 may monitor the pneumatic system 102 in order to evaluate the condition of the patient and to ensure proper functioning of the ventilator. The specific monitoring may be based on inputs received from the pneumatic system 102 and sensors, operator interface 120, and/or other components of the ventilator. In the depicted example, operator interface includes a display 122 that is touch-sensitive, enabling the display to serve both as an input and output device.
  • FIG. 2 is a block diagram illustrating an embodiment of a ventilatory system 200 having a graphical user interface for displaying respiratory data.
  • A ventilator 202 includes a display module 204, memory 208, one or more processors 206, user interface 210, monitor modules 216-222, time monitor module 224, graphics module 226, and ventilation module 212. The ventilation module 212 further includes a missed breath module 211. The missed breath module 211 in system 200 is the same as the missed breath module 109 described in the system 100 above. The memory 208 is defined as described above for the memory 112 in FIG. 1 . Similarly, the one or more processors 206 are defined as described above for the one or more processors 116. The processors 206 may further be configured with a clock whereby elapsed time may be monitored by the system 200. Alternatively, a time monitor module 224 may be provided for monitoring time and associating a temporal element with the various data collected by the monitoring modules 216-222.
  • The ventilation module 212 oversees ventilation delivered to a patient according to the ventilator settings prescribed for the patient. The ventilator settings are determined by a selected or predetermined ventilation mode and/or breath type. The ventilation module 212 delivers pressure and/or volume into a ventilatory circuit (depending on whether the ventilator is configured for pressure or volume controlled delivery), and thereby into a patient's lungs, based on the breath type and/or mode. Spontaneous breath types are referred to herein as “trigger detection applications,” since trigger detection applications require detection of patient effort in order to determine when to deliver a breath to the patient. The trigger detection applications include known spontaneous breath types, such as but are not limited to Proportional Assist Ventilation (PAV), Volume Ventilation Plus (VV+), I:E SYNC, Pressure Support (PS), Volume Support (VS), Assist Control (AC), Volume Control (VC), Pressure Control (PC), Airway Pressure Release Ventilation (APRV), Continuous Positive Airway Pressure (CPAP), and BiLevel Positive Airway Pressure (BPAP). As discussed above, the trigger detection applications trigger the delivery of a breath when a patient effort is detected. While the methods for determining patient effort vary based on the trigger detection application used, in some embodiments, the patient effort is determined based on calculations involving monitored pressure and/or monitored flow. The ventilation module 212, and therefore the trigger detection applications, is communicatively coupled to at least one of the monitoring modules 216-222, the display module 204, the memory 208, the processor 206, the user interface 210, the graphics module 226, the time monitor module 224, and any other suitable component and/or module. For example, the trigger detection application may determine when to trigger a breath based on monitored data received from the monitoring modules 216-222.
  • The ventilation module 212 further includes a missed breath module 211. The missed breath module 211 utilizes a trigger detection application that detects patient efforts to determine when a patient desires a delivered breath. However, this trigger detection application does not ever actually deliver any breath based on the detected patient efforts and is therefore referred to herein as running in the background or as a “background trigger detection application” (also referred to as a first trigger detection application). A trigger detection application utilized to determine when to deliver the breaths to the patient during ventilation by the ventilator is referred to herein as the “active trigger detection application” (also referred to as a second trigger detection application). Accordingly, the background trigger detection application and the active trigger detection application determine a patient effort by monitoring patient parameters from the monitoring modules 216-222. In some embodiments, the background trigger detection application determines patient efforts based on monitored intrapleural pressure received from the intrapleural pressure (IP) monitoring module 216.
  • The missed breath module 211 compares the detected patient efforts to the delivered breaths by the ventilation module 212. For any detected patient effort that does not correlate with a delivered breath, the missed breath module 211 determines that the detected patient effort is an ineffective trigger effort by the patient. The missed breath module 211 may store determined information or send determined information to the display module 204, the processor 206, the memory 208, the user interface 210, the time monitor module 224, the graphics module 226, and/or any other suitable component and/or module. The determined information may include a single instance of an ineffective trigger effort by the patient, a sequential history of ineffective trigger efforts over a period of time (either predetermined or input by the clinician), or a rate of ineffective trigger efforts (for example the number of ineffective trigger efforts per minute) that may be averaged over a period of time that is predetermined or input by the clinician.
  • Further, for any detected patient effort that does correlate with a delivered breath, the missed breath module 211 determines the detected patient effort to be an effective trigger effort by the patient. The missed breath module 211 may store determined information or send determined information to the display module 204, the processor 206, the memory 208, the user interface 210, the time monitor module 224, the graphics module 226, and/or any other suitable component and/or module. The determined information may include a single instance of an effective trigger effort by the patient, a sequential history of effective trigger efforts over a period of time (either predetermined or input by the clinician), or a rate of effective trigger efforts (for example the number of effective trigger efforts per minute) that may be averaged over a period of time that is predetermined or input by the clinician.
  • The use of intrapleural pressure is an effective way to determine patient effort. When a patient makes an effort to breath, the patient's diaphragm will contract, and decrease the intrapleural pressure in order to draw air (or another substance) into the lungs. Because the contraction of the diaphragm is the effect of patient effort the intrapleural pressure change is the first and most direct way to determine patient effort, as a pressure/flow change will happen subsequently. Therefore a trigger detection application that uses intrapleural pressure is more sensitive to patient efforts than a trigger detection application that only uses pressure or flow. A trigger detection application running in the background is a good way to determine when missed breaths occur due to its inherent sensitivity.
  • A patient effort may be used to trigger one or more actions on the part of the ventilator, such as but not limited to a transition from exhalation to inhalation (or from inhalation to exhalation). It should be noted that ventilators depending on their mode of operation, may trigger automatically and/or in response to a detected change in a monitored parameter such as but not limited to patient effort, pressure, and flow. In one embodiment a monitored flow signal is used to determine when patient effort occurs. A variety of signals, for example, can be used by a trigger detection application to determine when patient effort occurs such as but not limited to patient airway pressure, lung flow, and intrapleural pressure. In an exemplary embodiment, the ventilator utilizes multiple trigger detection applications simultaneously. A first trigger detection application is used to detect when patient effort occurs, but the ventilator does not actively use the detected patient effort to trigger one or more actions on the part of the ventilator. In this embodiment the first trigger detection application is used to determine when a missed breath occurs. As used herein, the term “missed breath” refers to a patient effort that does not trigger one or more actions on the part of the ventilator, such as the delivery of a breath, the transition from inhalation to exhalation, or the transition from exhalation to inhalation. The first trigger detection application uses intrapleural pressure to detect when a patient effort occurs. In this embodiment, a second trigger detection application is used to determine when to trigger the ventilator. The second trigger detection application may use any suitable current or future known triggering methods based on monitored respiratory parameters such as but not limited to pressure and flow.
  • The display module 204 presents various input screens to a clinician, including but not limited to one or more graphics display screens, as will be described further herein, for receiving clinician input and for displaying useful clinical data to the clinician. The display module 204 is further configured to communicate with the user interface 210. The display module 204 may provide various windows, controls, and display elements to the clinician via a graphical user interface (GUI) for input and interface command operations. Thus, the user interface 210 may accept commands and input through the display module 204. The display module 204 may also provide useful information in the form of various respiratory data regarding the physical condition of a patient and/or the prescribed respiratory treatment. The useful information may be derived by the ventilator 202, based on data gathered from the various monitoring modules 216-222, and the useful information may be displayed to the clinician in the form of graphs, wave representations, pie graphs, text, symbols, prompts, graphics, lights, lines, indicators, or other suitable forms of graphic display. The display module 204 may further be an interactive display, whereby the clinician may both receive and communicate information to the ventilator 202, as by a touch-activated display screen. Alternatively, the user interface 210 may provide other suitable means of communication with the ventilator 202, for instance by a keyboard or other suitable interactive device.
  • One or more graphics display screens provided by the display module 204 may each display one or more graphic representations of respiratory data, for example, graphical representations may include, inter cilia, pressure waveforms, volume waveforms, flow waveforms, flow curves, pressure-volume loops, flow-volume loops, text, symbols, prompts, graphics, lights, lines, cursors, interactive elements, indicators, or any other current or future known graphical representation suitable for displaying respiratory data. For instance, a volume waveform may depict tidal volume, i.e., the total volume of air inhaled and exhaled for one respiratory cycle, over time. A pressure waveform may depict circuit pressure, as measured or derived, for each inspiration and expiration over time. A pressure-volume loop may be generated for each breath, inspiration represented as a positive curve and expiration represented as a negative curve completing a single loop. In some embodiments the graphical representation is a respiratory rate as illustrated in FIG. 4 .
  • In other embodiments, an indicator is displayed by the one or more graphics display screens provided by the display module 204. The indicator may be a missed breath or a delivered breath indicator. The missed breath indicator displays data relating to a missed breath and the delivered breath indicator displays data relating to a delivered breath. The indicators include as measured or derived, for each instance of a delivered and/or missed breath, for total delivered and/or missed breaths over a period of time, for a rate of delivered and/or missed breaths, for a history of delivered and/or missed breaths, or for any combination thereof. In some embodiments, the indicator is displayed on top of or within the one or more graphical representations.
  • In some embodiments, the ventilator stores a sequential history of the graphical representations and/or respiratory data, such as a missed breath indicator and a delivered breath indicator. As described above, the graphics module 226, or another suitable component or module, may archive graphical representations and indicators according to time. Some graphical representations and/or indicators may inherently include a time element, as with waveforms of respiratory data presented over time. Other graphical representations or indicators may be presented as a function of a single respiratory cycle, or breath, such as a flow-volume or a pressure-volume loop. The graphics module 226, or another suitable component or module, may associate the respiratory data of the graphical representation and/or indicators with a time element. In the alternative, the monitoring modules 216-222 may associate the respiratory data with a time element, or time stamp, before communicating data to the graphics module 226. In either case, graphical representations and/or indicators may be archived in sequential order based on time. In an embodiment, a cursor or indicator is displayed over a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the delivered and/or missed breath occurred.
  • In an embodiment, a delivered and/or missed breath indicator is displayed as at least one of text, symbol, prompt, graphic, light, line or by another suitable form of graphic display. In another embodiment, the missed breath and delivered breath indicator include the display of a delivered and/or missed breath rate. The graphics module 226, or another suitable component or module, may archive historical data, such as indicators, which may be time-stamped, in sequential order over a particular time period. This rate can be the number or an average of the number of delivered and/or missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician. For example, the indicators may display the number of delivered and/or missed breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time. For example, the indicators may further display a rate based on an average of the last five values where each value represents the number of delivered and/or missed breaths for that minute. In an embodiment, the indicator may display a percentage or ratio at least partially representative of the delivered and/or missed breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known, then the indicator may display a percentage or ratio of delivered and/or missed breaths per total breaths, where total breaths is the addition of missed breaths and delivered breaths. In an embodiment, the indicators include a total breath indicator where the total breath indicator represents the addition of missed breaths and delivered breaths. Additionally, an indicator such as but not limited to text, symbol, prompt, graphic, light, line, cursor, interactive element, or indicator may be displayed to represent that missed breaths are being monitored. Further, an indicator such as but not limited to text, symbol, prompt, graphic, light, line, cursor, interactive element, or indicator may be displayed to represent settings for monitoring missed breaths. In some embodiments, a prompt is displayed with adjustable elements representative of turning on and/or off the missed breath module 211 as well as an inhalation and exhalation trigger values for missed breath monitoring. In some embodiments, these indicators are selectable and/or adjusted by a clinician via the user interface.
  • Data may be collected and displayed according to any suitable method. Thus, a plurality of various graphical representations and/or indicators may be provided, each graphical representation and/or indicator communicating different useful information to the clinician. However, sometimes it may be useful for the clinician to compare the respiratory data displayed if the respiratory data is displayed in a manner that is easier for the clinician to understand, which increases the chance that the clinician will discover a missed breath and can decrease patient-ventilator asynchrony by adjusting ventilator parameters.
  • The monitoring modules 216-222 operate to monitor the physical condition of the patient in conjunction with the proper operation of the ventilator 202. Although only a sampling of potential monitoring modules are shown and described, any number of suitable monitoring modules may be provided in keeping within the spirit of the present disclosure. The monitoring modules 216-222 may communicate with the display module 204, the user interface 210, the graphics module 226, the missed breath module 211, the ventilation module 212, and/or other suitable modules or processors of the ventilator 202. Specifically, the monitoring modules 216-222 may communicate with the graphics module 226 and/or the display module 204 such that collected data regarding the physical condition of the patient and/or the prescribed ventilation may be displayed to the clinician.
  • The monitoring modules 216-222 may utilize one or more sensors to detect changes in various physiological parameters. Specifically, the one or more sensors may be placed in any suitable internal location, within the ventilator itself, or in any suitable external location, within the ventilatory circuitry or other devices communicatively coupled to the ventilator 202. For example, sensors may be coupled to inspiratory and/or expiratory modules for detecting changes in, for example, circuit pressure and flow. Additionally, the one or more sensors may be affixed to the ventilatory tubing or may be imbedded in the tubing itself.
  • An intrapleural pressure monitor module 216 monitors or estimates intrapleural pressure. The term “intrapleural pressure,” as used herein, refers generally to the pressure exerted by the patient's diaphragm on the cavity in the thorax that contains the lungs, or the pleural cavity, and should further represent estimates of the pressure and/or any derivatives thereof. The intrapleural pressure monitor module 216 may measure intrapleural pressure according to any suitable method either known or discovered in the future. Alternatively, the intrapleural pressure monitor module 216 may derive intrapleural pressure readings from other data and measurements according to mathematical operations or otherwise. For example, an algorithm that estimates how the patient's intrapleural pressure is changing in real-time based on measured pressure and flow may be used. In one embodiment, the algorithm utilized measured pressure, inlet flow, and outlet flow to determine intrapleural pressure is the algorithm described in U.S. patent application Ser. No. 12/980,583 filed Dec. 29, 2010. U.S. patent application Ser. No. 12/980,583 filed Dec. 29, 2010 is incorporated herein by reference in its entirety.
  • A pressure monitor module 218 monitors pressure within a ventilatory circuit. The pressure monitor module 218 may measure pressure according to any suitable method either known or discovered in the future. For example, pressure transducers may be attached at various locations along the ventilatory circuit to detect changes in circuit pressure. Specifically, sensors may utilize optical or ultrasound techniques for measuring changes in circuit pressure. Alternatively, the pressure monitor module 218 may derive pressure readings from other data and measurements according to mathematical operations or otherwise.
  • A flow monitor module 220 monitors airflow within a ventilatory circuit, for example by utilizing sensors as described above for monitoring pressure. Inspiratory flow may be represented as a positive flow and expiratory flow may be represented as a negative flow. Flow may be measured or derived by any suitable method either currently known or disclosed in the future. Specifically, flow may be derived according to mathematical operations or measured at selected points along the ventilatory circuit.
  • A volume monitor module 222 monitors the volume of air exchanged during a respiratory cycle. The volume monitor module 222 may measure tidal volume by any suitable method, or may derive volume according to mathematical equations based on measurements of pressure and/or flow, for example.
  • The display module 204 may be further configured to communicate with the graphics module 226. The graphics module 226 may interact with the various monitoring modules 216-222 and may process data received from the monitoring modules 216-222 and the time module 224 to produce the various indicators and/or graphical representations displayed on the display module 204. In some embodiments, the display module 204 further interacts with the missed breath module 109. Alternatively, the graphics module 226 may be configured with a clock for monitoring time without need for an additional time module 224. The graphics module 226 may be configured to process data according to any suitable mathematical or graphical means. For instance, the graphics module 226 may plot raw data received from one monitoring module versus raw data received from another monitoring module. Alternatively, the graphics module 226 may transform raw data received from one or more monitoring modules by utilizing one or more mathematical operations, and may plot the mathematically transformed data versus other raw data, versus other transformed data, or versus a unit of time, for example. The graphics module 226 may transform raw data and may plot transformed or raw data to produce any number of useful graphical representations and/or indicators as may be desired by the clinician. The graphics module 226 may receive commands from the user interface 210 or may be preconfigured to perform certain default operations and manipulations of data for generating useful graphical representations and/or indicators. The graphics module 226 may further be configured to continuously accept data from the various monitoring modules 216-222, the missed breath module 109, and/or from the user interface 210 such that the graphical representations and/or indicators displayed on the display module 204 may be continuously updated and presented in real-time or quasi-real-time to the clinician.
  • Additionally, the graphics module 226 may be configured to store historical data associated with each graphical representation and/or indicator. The graphics module 226 may be in communication with the time monitor module 224, or other clock feature provided by the ventilator 202, such that data within each graphical representation and/or indicator is associated with a time stamp. Specifically, underlying respiratory data may be time-stamped as it is received from the monitoring modules 216-222. As graphical representations of the respiratory data are generated by the graphics module 226, a time element may be incorporated such that each position on a waveform or loop, for instance, is associated with a time element. The graphics module 226 may archive time-stamped or non-time-stamped historical data in sequential order over a particular time period. Thereafter, a clinician may utilize a scroll feature to scroll through a history of graphical representations and/or indicators stored over the time period. The time period may represent any temporal period of interest to the clinician, for instance, an hour, a day, a week, or an entire treatment period. Indeed, the ventilator may archive all data during a respiratory treatment period unless the clinician instructs otherwise. In the alternative, the ventilator may archive data over a most recent period, perhaps the last day, in order to free memory for other ventilatory functions.
  • In an embodiment, as a clinician utilizes the scroll feature, the graphics module 226 may drill into the underlying historical data to determine an associated time element, or may retrieve a time element associated with each stored graphical representation and/or indicator, in order to provide an appropriate graphical representation and/or indicators to the clinician based on a selected historical time. For example, the graphics module 226 may determine an appropriate historical pressure waveform, an appropriate historical indicator, and an appropriate position on the appropriate pressure waveform associated with a selected historical time. The graphics module 226 may display a cursor at the appropriate position on the appropriate pressure waveform and may display historical indicators, such as but not limited to missed breath indicators, delivered breath indicators, and total breath indicators, within an appropriate range of the cursor. The graphics module 226 may also be configured to simultaneously display cursors and historical indicators in corresponding locations on any other displayed graphical representations based on the selected historical time. As described above, reference lines intersecting the cursors and the axes of the various graphical representations may also be provided, along with a plurality of boxed fields for highlighting specific respiratory data associated with the selected historical time.
  • FIG. 3 is a flow diagram illustrating an embodiment of a method 300 for ventilating a patient on a ventilator. In some embodiments, the ventilator performing the method 300 is the ventilator 100 described in FIG. 1 , having a graphical user interface for displaying respiratory data. The method 300 includes a respiratory data display operation 304, an effort detection operation 306, an effective trigger determination operation 308, an update delivered breath indicator operation 310, and an update missed breath indicator operation 312.
  • A patient is ventilated with a ventilator. As illustrated, the method 300 begins after the start of ventilation.
  • The method 300 includes the respiratory data display operation 304. The ventilator system during the respiratory data display operation 304 determines at least one graphical representation of respiratory data based on the ventilation of the patient and displays the graphical representations. In one embodiment, the ventilator uses the display 122 to perform the respiratory data display operation 304. The graphical representations may include a waveform, flow curve, pressure-volume loop, flow-volume loop, text symbol, prompt, graphic, light, line, cursor, interactive element, and indicator. The graphical representation may include collected data regarding the physical condition of the patient. The graphical representation may be displayed to the clinician in real-time, quasi-real-time, or historically. As described above, a ventilator may provide numerous graphical representations of respiratory data to a clinician during respiration of a patient. The graphical representation may be determined by the ventilator during the respiratory data display operation 304 based on monitored data. The ventilator may receive the monitored data from monitoring modules, such as the monitoring modules 216-222 discussed in FIG. 2 above. The ventilator may store a sequential history of the graphical representations provided. The graphics module 226, or another suitable component or module, may archive graphical representations according to time. Some graphical representations may inherently include a time element, as with waveforms of respiratory data presented over time. Other graphical representations may be presented as a function of a single respiratory cycle, or breath, such as a flow-volume or a pressure-volume loop. The graphics module 226, or another suitable component or module, may associate the respiratory data of the graphical representation with a time element. In the alternative, the monitoring modules 216-222 may associate the respiratory data with a time element, or time stamp, before communicating data to the graphics module 226. In either case, graphical representations may be archived in sequential order based on time.
  • It is understood by a person of skill in the art that the respiratory data display operation 304 may be performed at any time and/or simultaneously with any other operation in the method 300 that is performed after the start of ventilation but before the performance of the display delivered breath indicator operation 310 and the display missed breath indicator operation 312.
  • The method 300 further includes the effort detection operation 306. The ventilator system during the effort detection operation 306 monitors patient respiratory data and detects patient effort with an active and a background trigger detection application. As used herein, the term “patient effort” refers to an effort exerted by the patient to inspire and/or exhale gases. As discussed above, a trigger detection application is a hardware or software application that determines when a patient effort occurs based on a selected or predetermined spontaneous breath type. The active trigger detection application may include Proportional Assist Ventilation (PAV), Volume Ventilation Plus (VV+), I:E SYNC, Pressure Support (PS), Volume Support (VS), Assist Control (AC), Volume Control (VC), Pressure Control (PC), Airway Pressure Release Ventilation (APRV), Continuous Positive Airway Pressure (CPAP), and BiLevel Positive Airway Pressure (BPAP). The active trigger detection application may determine patient efforts based on monitoring respiratory parameters such as but not limited to pressure and flow. In one embodiment the background trigger detection application is I:E SYNC. In this embodiment, the background trigger detection application determines patient effort based on monitoring intrapleural pressure.
  • As illustrated, the method 300 includes the trigger determination operation 308. The ventilator during the trigger determination operation 308 determines whether a detected patient effort was effective or ineffective. The effective patient effort is determined based on detected patient effort by the second trigger detection application. In an embodiment, a patient effort detected by the second trigger detection application that results in the delivery of a breath is determined to be effective. In another embodiment, if a first patient effort detected by the first trigger detection application correlates to a second patient effort detected by the second trigger detection application, then the two detected patient efforts are considered to have been generated by the same patient effort and is therefore determined effective. The first patient effort and the second patient effort may correlate if recorded at the same time or within a reasonable and expected time delay, such as 3 seconds or less. This effective patient effort may result in the delivery of a breath.
  • The ineffective trigger effort is determined based on detected patient effort by the first trigger detection application not correlating with detected patient effort by the second trigger detection application. The first patient effort and the second patient effort may correlate if recorded at the same time or within a reasonable and expected time delay, such as 3 seconds or less. If there is not any correlation between the first detected patient effort and the second detected patient effort, then the patient effort that was not used to trigger the ventilator, in this case the first detected patient effort, is determined to be ineffective. Further, a missed breath is the direct result of an ineffective effort. In an embodiment, an equation or mathematical operation is used to determine if the first detected patient effort correlates with the second detected patient effort. In an embodiment, the first trigger detection application is running in the background, and not actively used to trigger the delivery of breaths to the patient. Further, the second trigger detection application is actively working and is used to trigger the delivery of breaths to the patient. In an embodiment, the first trigger detection application determines patient effort based at least in part on intrapleural pressure.
  • If the detected patient effort is determined to be effective, the method 300 will perform the update delivered breath indicator operation 310. If the detected patient effort is determined to be ineffective, the method 300 will perform the update missed breath indicator operation 312.
  • The method 300 further includes the update delivered breath indicator operation 310. The ventilator during the update delivered breath indicator operation 310 displays a delivered breath indicator for the effective trigger effort on the graphical representation. In an embodiment, the ventilator during the update delivered breath indicator operation 310 updates the display of a delivered breath indicator that was previously displayed. The ventilator may store a sequential history of the delivered breath indicators provided. As described above, the graphics module 226, or another suitable component and/or module, may archive delivered breath indicators according to time, and may associate a time element with the delivered breath indicators. In an alternative embodiment, the monitoring modules 216-222 associate the delivered breath indicators with a time element, or time stamp, before communicating data to the graphics module 226. In either case, delivered breath indicators may be archived in sequential order based on time, resulting in an archived effective indicator. In an embodiment, the delivered breath indicator is displayed on top of a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the delivered breath occurred. In an embodiment, a delivered breath indicator is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display. In another embodiment the delivered breath indicator displays a delivered breath rate. This rate can be the number or an average of the number of delivered breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician. For example, a delivered breath indicator displays the number of delivered breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time. For example, a delivered breath indicator displays a rate based on an average of the last five values where each value represents the number of delivered breaths for that minute. In an embodiment, a delivered breath indicator displays a percentage or ratio at least partially representative of the delivered breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known then a delivered breath indicator representing a percentage or ratio of delivered breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths. Indeed, data may be collected and displayed according to any suitable method.
  • The method 300 further includes the update missed breath indicator operation 312. The ventilator during the update missed breath indicator operation 312 displays a missed breath indicator for the ineffective trigger effort on the graphical representation. In an embodiment, the ventilator during the update missed breath indicator operation 312 updates the display of a missed breath indicator that was previously displayed. The ventilator may store a sequential history of the missed breath indicators provided. The missed breath module 211, or another suitable component and/or module, may archive missed breath indicators according to time, and may associate a time element with the missed breath indicators. In the alternative, the monitoring modules 216-222 may associate the missed breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 and/or the missed breath module 211. In either case, missed breath indicators may be archived in sequential order based on time, resulting in an archived ineffective indicator. In an embodiment missed breath indicators as well as delivered breath indicators may be archived in sequential order based on time, resulting in an archived total indicator. In an embodiment, the missed breath indicator is displayed on top of a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the missed breath occurred. In an embodiment, a missed breath is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display. In another embodiment the missed breath indicator displays a missed breath rate. This rate can be the number or an average of the number of missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician. For example, a missed breath indicator displays the number of missed breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time. For example, a missed breath indicator displays a rate based on an average of the last five values where each value represents the number of missed breaths for that minute. In an embodiment, a missed breath indicator displays a percentage or ratio at least partially representative of the missed breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known then a missed breath indicator representing a percentage or ratio of missed breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths. In an embodiment, the missed breath indicator displays a total breath indicator where the total breath indicator at least partially represents the total breaths, where the total breaths is the addition of missed breaths and delivered breaths. Additionally, a missed breath indicator may be displayed to represent that missed breaths are being monitored. Further, a missed breath indicator may be displayed to represent settings for monitoring missed breaths. For example, a missed breath indicator displays a prompt with adjustable elements representative of turning on and/or off the missed breath monitoring as well as inhalation and exhalation trigger values for missed breath monitoring using the first trigger detection application. Indeed, data may be collected and displayed according to any suitable method.
  • It is understood by a person of skill in the art that the update delivered breath indicator operation 310 and the update missed breath indicator operation 312 may be performed in any order and/or simultaneously. In one embodiment, the update delivered breath indicator operation 310 and/or the update missed breath indicator operation 312 are performed in real-time or quasi-real-time.
  • In an embodiment, the method 300 repeats and/or is performed at least once during each breath cycle.
  • FIG. 4 illustrates an embodiment of a graphical user interface (GUI) 400 for displaying a plurality of graphical representations of respiratory data, a delivered breath indicator, and a missed breath indicator. Specifically, FIG. 4 illustrates an embodiment of a missed breath display screen wherein a clinician may initiate a missed breath monitoring mode and thereafter may simultaneously view a plurality of graphical representations and missed breath indicators corresponding to missed breaths.
  • The disclosed embodiment of the graphical user interface 400 provides a plurality of graphical representations of respiratory data to a clinician. Graphical representations may include, inter cilia, pressure waveforms, volume waveforms, flow waveforms, flow curves, pressure-volume loops, flow-volume loops, text, symbols, prompts, graphics, lights, lines, cursors, interactive elements, indicators, or any other current or future known graphical representation suitable for the GUI 400. Specifically, the GUI 400 includes, for example, a pressure waveform (graphical representation 402), a flow waveform (graphical representation 404), a historical delivered breath indicator (delivered breath indicator 406), a delivered breath indicator (delivered breath indicator 408), a missed breath indicator (missed breath indicator 410), a historical missed breath indicator (missed breath indicator 412), a missed breath cursor (missed breath indicator 414), a delivered breath cursor (delivered breath indicator 416), and a monitoring mode settings box (missed breath indicator 418).
  • The pressure waveform 402 may display circuit pressure in cm H2O over time (for example, over seconds, s). As shown, the pressure waveform 402 illustrates two distinct peaks in circuit pressure, corresponding to the inspiratory phases of two respiratory cycles, or breaths. The flow waveform 404 may display flow in liters (L) over time (for example, over minutes, min). As shown, the flow waveform 404 illustrates inspiratory flow as a positive curve, and expiratory flow as a negative curve. Two distinct respiratory cycles or breaths, each including a positive inspiratory phase and a negative expiratory phase, are illustrated in the flow waveform 404.
  • As described previously, the delivered breath indicator 408 may be provided to display the rate of delivered breaths over time (for example, over minutes, min) for a period of time. As shown, the delivered breath indicator 408 is a floating indicator over an axis of breaths per minute. The delivered breath indicator 408 may be text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or any display element suitable to display a rate of delivered breaths over time. In an embodiment, the period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical delivered breath indicator 406 as the current delivered breath indicator 408. Then the clinician can change ventilation settings and observe how the change in settings affects the delivered breath indicator 408. This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony. In an embodiment, the delivered breath indicator 408 includes a numeric value and/or text used to display delivered breaths over time for a period of time. For example, at least one of a number of delivered breaths over a period of time, such as the last minute, and a percentage or ratio of how many of the total breaths over a period of time, such as the last minute, were delivered where total breaths is the addition of missed breaths and delivered breaths.
  • As described previously the missed breath indicator 410 may be provided to display the rate of missed breaths over time (for example, over minutes, min) for a period of time. As shown, the missed breath indicator 410 is a floating indicator over an axis of breaths per minute. The missed breath indicator 410 may be text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or any display element suitable to display a rate of missed breaths over time. In an embodiment, the period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical missed breath indicator 412 as the current missed breath indicator 410. Then the clinician can change ventilation settings and observe how the change in settings affects the missed breath indicator 410. This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony. In an embodiment, the missed breath indicator 410 includes a numeric value and/or text used to display missed breaths over time for a period of time. For example, at least one of a number of missed breaths over a period of time, such as the last minute, and a percentage or ratio of how many of the total breaths over a period of time, such as the last minute, were missed where total breaths is the addition of missed breaths and delivered breaths.
  • As previously described, the historical delivered breath indicator 406 may be provided to display the rate of delivered breaths over time (for example, over minutes, min) for a historical archived period of time. As shown, the historical delivered breath indicator 406 is a floating indicator over an axis of breaths per minute. In an embodiment, the historical archived period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical delivered breath indicator 406 as the current delivered breath indicator 408. Then the clinician can change ventilation settings and observe how the change in settings affects the delivered breath indicator 408. This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony. In an embodiment, the historical delivered breath indicator 406 includes a numeric value and/or text used to display delivered breaths over time for a historical archived period of time. For example, at least one of a number of delivered breaths over a period of time, such as a minute, and a percentage or ratio of how many of the total breaths over a period of time, such as a minute, were delivered where total breaths is the addition of missed breaths and delivered breaths.
  • As previously described, the historical missed breath indicator 412 displays the rate of total breaths over time (for example, over minutes, min) for a historical archived period of time, where total breaths is the addition of delivered breaths and missed breaths. In another embodiment, the historical missed breath indicator 412 displays the rate of missed breaths over time (for example, over minutes, min) for a historical archived period of time. As shown, the historical missed breath indicator 412 is a floating indicator over an axis of breaths per minute. Further, the historical missed breath indicator 412 is of a shape that will form a distinguishable shape, which may or may not be different, when representing the same value on the axis as the historical delivered breath indicator 406. In an embodiment, the historical archived period of time is predetermined or input by a clinician. For example, if a clinician wants to see the effect of changing settings on patient-ventilator synchrony, the clinician can set the historical missed breath indicator 412 as the current missed breath indicator 410. Then the clinician can change ventilation settings and observe how the change in settings affects the missed breath indicator 410. This observation may give the clinician insight as to how effective the change in ventilation settings was to reduce patient-ventilator asynchrony. In an embodiment, the historical missed breath indicator 412 includes a numeric value and/or text used to display missed breaths over time for a historical archived period of time. For example, at least one of a number of missed breaths over a period of time, such as a minute, and a percentage or ratio of how many of the total breaths over a period of time, such as a minute, were missed where total breaths is the addition of missed breaths and delivered breaths. It should be noted that in the depicted embodiment the axis label “Respiratory Rate Synchrony Indicator” represents a missed breath indicator used to display that a mode, such as the missed breath module 211 or trigger detection applications as described above, is running in the background to determine when missed breaths occur.
  • The GUI 400 further includes the missed breath cursor 414. The missed breath cursor 414 is a specific type of missed breath indicator 410 that is provided to display relative to another graphical representation, for example the pressure waveform 402 and/or the flow waveform 404, when a missed breath occurred. As described previously with reference to the graphics module 226, missed breath indicators may be time-stamped, or otherwise associated with a time element, when respiratory data is received by the monitoring modules 216-222 or the missed breath module 211. Alternatively, a time element may be associated with the respiratory data when a graphical representation and/or indicator is generated by the graphics module 226 or missed breath module 211, for example. In either case, when a clinician utilizes a cursor mode to scroll back into historical data, the graphics module 226, or other retrieval module (not shown), may determine appropriate respiratory data corresponding to the scroll time. The appropriate respiratory data may then be displayed as the missed breath cursor 414. As shown, the missed breath cursor 414 is a cursor displayed at the correct temporal location over the pressure waveform 402 and the flow waveform 404, and represents an occurrence of a missed breath. Further, the missed breath cursor 414 as shown is of a shape that will form a distinguishable shape, which may or may not be different, when located at the same or similar temporal location as the delivered breath cursor 416. In an embodiment, a patient effort detected using the missed breath module 211 or the trigger detection applications as described above while running in the background to detect missed breaths is displayed using the missed breath cursor 414. As shown, the most recent breath (the cursor furthest to the right of the pressure 402 and flow waveforms 404) was triggered by a patient effort that was detected by both a mode running in the background to detect missed breaths and a mode used to trigger the ventilator, and therefore the cursor forms a different shape, in this case a diamond as opposed to a triangle, which can be interpreted by a clinician as a synchronous patient effort, or a patient effort that directly resulted in the delivery of a breath from the ventilator.
  • The GUI 400 further includes the delivered breath cursor 416. The delivered breath cursor 416 is a specific type of missed breath indicator 410 that is provided to display relative to another graphical representation, for example the pressure waveform 402 and/or the flow waveform 404, when a delivered breath occurred. As described previously with reference to the graphics module 226, delivered breath indicators may be time-stamped, or otherwise associated with a time element, when respiratory data is received by the monitoring modules 216-222. Alternatively, a time element may be associated with the respiratory data when a graphical representation is generated by the graphics module 226, for example. In either case, when a clinician utilizes a cursor mode to scroll back into historical data, the graphics module 226, or other retrieval module (not shown), may determine appropriate respiratory data corresponding to the scroll time. The appropriate respiratory data may then be displayed as the delivered breath cursor 416. As shown, the delivered breath cursor 416 is a cursor displayed at the correct temporal location over the pressure waveform 402 and the flow waveform 404, and represents an occurrence of a delivered breath. Further, the delivered breath cursor 416 as shown is of a shape that will form a distinguishable shape, which may or may not be different, when located at the same or similar temporal location as the missed breath cursor 414. In an embodiment, a patient effort detected using the monitoring modules 216-222 or the trigger detection applications as described above while running in the foreground to detect patient effort or other respiratory data used to trigger the delivery of a breath is displayed using the delivered breath cursor 416.
  • The GUI 400 further includes the monitoring mode settings 418. The monitoring mode settings 418 may be provided to display and/or adjust one or more settings relating to the trigger detection application running in the background to detect missed breaths. As shown the monitoring mode settings 418 include an option for turning the missed breath monitoring on or off, a setting to adjust the inhalation trigger sensitivity level of the background trigger detection application, a setting to adjust the exhalation trigger sensitivity level of the background trigger detection application, and an option to close, or not display, the monitoring mode settings 418.
  • The disclosed windows and elements of the GUI 400 may be arranged in any suitable order or configuration such that information may be communicated to the clinician in an efficient and orderly manner. Windows disclosed in the illustrated embodiment of the GUI 400 may be configured with elements for accessing alternative graphical display screens as may be provided by the ventilator. Disclosed windows and elements are not to be understood as an exclusive array, as any number of similar suitable windows and elements may be displayed for the clinician within the spirit of the present disclosure. Further, the disclosed windows and elements are not to be understood as a necessary array, as any number of the disclosed windows and elements may be appropriately replaced by other suitable windows and elements without departing from the spirit of the present disclosure. The illustrated embodiment of the GUI 400 is provided as an example only, including potentially useful windows and elements that may be provided to the clinician to facilitate the input of selections and commands relevant to the display of respiratory data and to display such respiratory data in an orderly and informative way, as described herein.
  • The above-mentioned embodiments of one or more missed breath indicator display screens, illustrated in FIG. 4 , are not meant to provide an exclusive array of potential or possible embodiments. Indeed, some of the features and characteristics of the above embodiments may be interchanged and combined to provide additional embodiments and configurations of the described graphical user interfaces. In addition, in keeping with the spirit of the present disclosure, features described may not be essential, but may be added or removed according to the desires and needs of a clinician, hospital, clinic, or other entity or individual.
  • FIG. 5 is a flow diagram illustrating an embodiment of a method 500 for displaying and/or updating the display of a missed breath indicator. In an embodiment, the method 500 is performed by the missed breath module 109 described in FIG. 1 . As illustrated, the ventilator system during the method 500 starts ventilation as is described with respect to starting ventilation in the above method 300. The method 500 further includes a detect patient effort operation 506 and an effective trigger determination operation 508, which are the same as operations 306 and 308, respectively, and a update missed breath indicator operation 512. During the effective trigger determination operation 508 if the patient effort is determined to be effective the method 500 will return to the detect patient effort operation 506. During the effective trigger determination operation 508 if the patient effort is determined to be ineffective the method 500 will proceed to the update missed breath indicator operation 512.
  • The method 500 further includes the update missed breath indicator operation 512. The ventilator during the update missed breath indicator operation 512 displays a missed breath indicator for the ineffective trigger effort. In an embodiment, the ventilator during the update missed breath indicator operation 512 updates the display of a missed breath indicator previously displayed for the ineffective trigger effort. The ventilator may store a sequential history of the missed breath indicators provided. The missed breath module 211, or another suitable component and/or module, may archive missed breath indicators according to time, and may associate a time element with the missed breath indicators. In the alternative, the monitoring modules 216-222 may associate the missed breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 and/or the missed breath module 211. In either case, missed breath indicators may be archived in sequential order based on time, resulting in an archived ineffective indicator. In an embodiment, a missed breath is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display. In another embodiment the missed breath indicator displays a missed breath rate. This rate can be the number or an average of the number of missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician. For example, a missed breath indicator displays the number of missed breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time. For example, a missed breath indicator displays a rate based on an average of the last five values where each value represents the number of missed breaths for that minute. In an embodiment, a missed breath indicator displays a percentage or ratio at least partially representative of the missed breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known then a missed breath indicator representing a percentage or ratio of missed breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths. In an embodiment, the missed breath indicator displays a total breath indicator where the total breath indicator at least partially represents the total breaths, where the total breaths are the addition of missed breaths and delivered breaths. Additionally, a missed breath indicator may be displayed to represent that missed breaths are being monitored. Further, a missed breath indicator may be displayed to represent settings for monitoring missed breaths. For example, a missed breath indicator displays a prompt with adjustable elements representative of turning on and/or off the missed breath monitoring as well as inhalation and exhalation trigger values for missed breath monitoring using the first trigger detection application. Indeed, data may be collected and displayed according to any suitable method.
  • FIG. 6 is a flow diagram illustrating an embodiment of a method 600 for displaying and/or updating the display of a missed breath indicator. In an embodiment, the method 600 is performed by the missed breath module 109 described in FIG. 1 . As illustrated, the ventilator system during the method 600 starts ventilation as is described with respect to starting ventilation in the above method 300. The method 600 further includes a monitor ventilation operation 602, a detect patient effort operation 604, a calculate missed breaths operation 608, and an update missed breath indicator operation 612. In an embodiment, the method further includes an update counter operation 606.
  • The method 600 includes the monitor ventilation operation 602. During the monitor ventilation operation 602 the ventilator monitors respiratory data with at least one sensor. In an embodiment, the at least one sensor is similar to the sensors utilized by the monitoring modules 216-222 as described above. In an embodiment, the respiratory data includes at least one of a pressure, flow, volume, intrapleural pressure, and/or any other data collected regarding the physical condition of the patient.
  • The method 600 further includes the detect patient effort operation 604. During the detect patient effort operation 604 the ventilator analyzes the respiratory data with a first trigger detection application and a second trigger detection application. Further, during the detect patient effort operation 604 the ventilator detects patient inspiratory and/or expiratory efforts with the first trigger detection application and the second trigger detection application. In an embodiment, the ventilator uses at least two trigger detection applications to analyze the monitored respiratory data. As discussed above, a trigger detection application is a hardware or software application that determines when a patient effort occurs based on a selected or predetermined spontaneous breath type. The second, or active trigger detection application may include Proportional Assist Ventilation (PAV), Volume Ventilation Plus (VV+), I:E SYNC, Pressure Support (PS), Volume Support (VS), Assist Control (AC), Volume Control (VC), Pressure Control (PC), Airway Pressure Release Ventilation (APRV), Continuous Positive Airway Pressure (CPAP), and BiLevel Positive Airway Pressure (BPAP). The active trigger detection application may determine patient efforts based on monitoring respiratory parameters such as but not limited to pressure and flow. In one embodiment the first, or background trigger detection application is I:E SYNC. In this embodiment, the background trigger detection application determines patient effort based on monitoring intrapleural pressure.
  • During the detect patient effort operation 604 if a patient effort is not detected by a trigger detection application, the method 600 will return to the monitor ventilation operation 602. During the detect patient effort operation 604 if a patient effort is detected by a trigger detection application, the method 600 will proceed to the calculate missed breaths operation 608. In an embodiment, during the detect patient effort operation 604 if a patient effort is detected by a trigger detection application, the method 600 will proceed to the update counter operation 606.
  • The method 600 includes the calculate missed breaths operation 608. In an embodiment, during the calculate missed breaths operation 608 the ventilator calculates a missed breaths metric based on detected patient inspiratory and/or expiratory efforts by the first trigger detection application and detected patient inspiratory and/or expiratory efforts by the second trigger detection application. A missed breaths metric is an equation, number, point in time, value, percentage, rate, ratio, relationship, or any other suitable representation of missed breaths. In an embodiment, if the first trigger detection application detects a patient inspiratory and/or expiratory effort that is not within an expected and reasonable time delay, such as 3 seconds or less, of a patient inspiratory and/or expiratory effort detected by the second trigger detection application, then a breath has been missed. The ventilator during the calculate missed breaths operation 608 may store a single instance of a missed breath or a sequential history of the missed breaths over a predetermined period of time or a period of time set by a clinician. In an embodiment, an equation or mathematical operation is used to determine if the first detected patient effort correlates with the second detected patient effort.
  • In an embodiment, the ventilator during the calculate missed breaths operation 608 calculates a missed breaths metric based on the at least one counter. In this embodiment, the method 600 further includes the update counter operation 606. During the update counter operation 606 the ventilator updates a counter with a sum of the detected patient inspiratory and/or expiratory efforts by the first trigger detection application and a sum of the detected patient inspiratory and/or expiratory efforts by the second trigger detection application. In an embodiment, at least two counters are used, where a first counter is updated with a sum of the detected patient inspiratory and/or expiratory efforts by the first trigger detection application and a second counter is updated with a sum of the detected patient inspiratory and/or expiratory efforts by the second trigger detection application. In an embodiment, a single counter is used where a count of patient inspiratory and/or expiratory efforts detected with the first trigger detection application is added to the counter and a count of patient inspiratory and/or expiratory efforts detected with the second trigger detection application is subtracted from the counter. In another embodiment a mathematical model, or algorithm is used to calculate how patient inspiratory and/or expiratory efforts detected with the first or second trigger detection applications update at least one counter. In an embodiment, the at least one counter is reset after a predetermined amount of time or breath cycles, or in response to clinician input.
  • In an embodiment, a first counter represents a sum of patient inspiratory and/or expiratory efforts detected with a first trigger detection application and a second counter represents a sum of patient inspiratory and/or expiratory efforts detected with a second trigger detection application. The ventilator during the calculate missed breaths operation 608 performs an algorithm or mathematical operation, such as subtracting the count of the second counter from the count of the first counter, with the two counters to calculate a missed breaths metric. In an embodiment, the value of a counter represents a missed breaths metric and no further algorithm or mathematical operation is needed to calculate the missed breaths metric. In another embodiment, a single counter is used and an algorithm or mathematical operation must be performed with the counter in order to calculate the missed breaths metric. Indeed, the missed breaths metric may be calculated according to any suitable method.
  • The method 600 further includes the update missed breath indicator operation 612. The ventilator during the update missed breath indicator operation 612 displays a missed breath indicator based on the missed breaths metric. In an embodiment, the ventilator during the update missed breath indicator operation 612 updates the display of a previously displayed missed breath indicator based on the missed breaths metric. The ventilator may store a sequential history of the missed breath indicators provided. The missed breath module 211, or another suitable component and/or module, may archive missed breath indicators according to time, and may associate a time element with the missed breath indicators. In the alternative, the monitoring modules 216-222 may associate the missed breath indicators with a time element, or time stamp, before communicating data to the graphics module 226 and/or the missed breath module 211. In either case, missed breath indicators may be archived in sequential order based on time, resulting in an archived ineffective indicator. In an embodiment, the missed breath indicator is displayed on top of a graphical representation of a respiratory signal such as, but not limited to, pressure and flow, at an appropriate temporal location based on when the missed breath occurred. In an embodiment, a missed breath is displayed as at least one of text, symbol, prompt, graphic, light, line, cursor, interactive element, indicator, or by another suitable form of graphic display.
  • In another embodiment the missed breath indicator displays a missed breath rate. This rate can be the number or an average of the number of missed breaths per time period, where the time period can be predetermined, such as a minute, or input by the clinician. For example, a missed breath indicator displays the number of missed breaths in the last minute. The average can be taken from a predetermined or input number of values over a predetermined or input period of time. For example, a missed breath indicator displays a rate based on an average of the last five values where each value represents the number of missed breaths for that minute. In an embodiment, a missed breath indicator displays a percentage or ratio at least partially representative of the missed breaths. For example, if the number of delivered breaths as well as the number of missed breaths are both known, then a missed breath indicator representing a percentage or ratio of missed breaths per total breaths may be displayed where total breaths is the addition of missed breaths and delivered breaths. In an embodiment, the missed breath indicator displays a total breath indicator where the total breath indicator at least partially represents the total breaths, where the total breaths is the addition of missed breaths and delivered breaths.
  • Additionally, a missed breath indicator may be displayed to represent that missed breaths are being monitored. Further, a missed breath indicator may be displayed to represent settings for monitoring missed breaths. For example, a missed breath indicator displays a prompt with adjustable elements representative of turning on and/or off the missed breath monitoring as well as inhalation and exhalation trigger values for missed breath monitoring using the first trigger detection application. Indeed, data may be collected and displayed according to any suitable method.
  • In an embodiment, the method 600 following the update missed breath indicator operation 612 returns to the monitor ventilation operation 602.
  • It will be clear that the systems and methods described herein are well adapted to attain the ends and advantages mentioned as well as those inherent therein. Those skilled in the art will recognize that the methods and systems within this specification may be implemented in many manners and as such is not to be limited by the foregoing exemplified embodiments and examples. In other words, functional elements being performed by a single or multiple components, in various combinations of hardware and software, and individual functions can be distributed among software applications at either the client or server level. In this regard, any number of the features of the different embodiments described herein may be combined into one single embodiment and alternative embodiments having fewer than or more than all of the features herein described are possible.
  • While various embodiments have been described for purposes of this disclosure, various changes and modifications may be made which are well within the scope of the present invention. Numerous other changes may be made which will readily suggest themselves to those skilled in the art and which are encompassed in the spirit of the disclosure and as defined in the appended claims.

Claims (21)

1-22. (canceled)
23. A ventilator system comprising:
a pneumatic system for delivering respiratory gases to a patient;
at least one processor; and
at least one memory communicatively coupled to the at least one processor and storing computer executable instructions that, when executed by the at least one processor, cause the ventilator system to:
monitor respiratory data of the patient;
concurrently analyze the respiratory data using a background trigger detection application and an active trigger detection application, wherein the background trigger detection application and the active trigger detection application are different;
detect a first patient inspiratory effort with the background trigger application;
detect a second patient inspiratory effort with the active trigger application;
determine a timing difference between the first patient inspiratory effort and the second inspiratory effort;
based on the timing difference, form a missed breath determination;
calculate a missed breaths metric based on the missed breath determination; and
display a missed breath indicator based on the missed breaths metric.
24. The ventilator system according to claim 23, wherein the background trigger detection application monitors patient inspiratory efforts based on at least intrapleural pressure.
25. The ventilator system according to claim 23, the computer executable instructions further causing the ventilator system to:
compare the timing difference between the first patient inspiratory effort and the second inspiratory effort to a time delay threshold; and
form the missed breath determination based on the comparison.
26. The ventilator system according to claim 23, the computer executable instructions further causing the ventilator system to:
deliver inspiratory gases to the patient based on one of the first patient inspiratory effort or the second patient inspiratory effort.
27. The ventilator system according to claim 23, the computer executable instructions further causing the ventilator system to:
deliver inspiratory gases to the patient based on the second patient inspiratory effort and not the first patient inspiratory effort.
28. The ventilator system according to claim 23, wherein calculating the missed breaths metric comprises:
updating a counter with a first sum of detected patient inspiratory efforts by the background trigger detection application and a second sum of detected patient inspiratory efforts by the active trigger detection application;
determining a difference between the first sum of the detected patient inspiratory efforts and the second sum of the detected patient inspiratory efforts; and
calculating the missed breaths metric based on the difference.
29. The ventilator system according to claim 23, wherein calculating the missed breaths metric comprises:
updating a first counter with a first sum of detected patient inspiratory efforts by the background trigger detection application and a second counter with a second sum of detected patient inspiratory efforts by the active trigger detection application;
determining a difference between the first counter and the second counter; and
calculating the missed breaths metric based on the difference.
30. The ventilator system according to claim 23, wherein displaying the missed breath indicator comprises:
generating a graphical representation of the respiratory data;
determining a position for the missed breath indicator on the graphical representation
based on a time element associated with the missed breaths metric; and
displaying the missed breath indicator at the position on the graphical representation.
31. The ventilator system according to claim 23, wherein displaying the missed breath indicator comprises:
archiving one or more missed breaths metrics during a time period;
determining a missed breath indicator corresponding to the archived one or more missed breaths metrics; and
displaying the corresponding missed breath indicator.
32. The ventilator system according to claim 31, wherein displaying the corresponding missed breath indicator comprises:
generating a graphical representation of the respiratory data;
determining a position for the corresponding missed breaths indicator on the graphical representation based on the time period associated with the archived one or more missed breaths metrics; and
displaying the corresponding missed breath indicator at the position on the graphical representation.
33. A non-transitory computer-readable medium having computer executable instructions implemented by a processor on a ventilator for determining missed breaths, the instructions causing the ventilator to:
monitor respiratory data of the patient;
concurrently analyze the respiratory data using a background trigger detection application and an active trigger detection application, wherein the background trigger detection application and the active trigger detection application are different;
detect a first patient inspiratory effort with the background trigger application;
detect a second patient inspiratory effort with the active trigger application;
determine a timing difference between the first patient inspiratory effort and the second inspiratory effort;
calculate a missed breaths metric based on the timing difference; and
display a missed breath indicator based on the missed breaths metric.
34. The non-transitory computer-readable medium according to claim 33, wherein the background trigger detection application monitors patient inspiratory efforts based on at least intrapleural pressure.
35. The non-transitory computer-readable medium according to claim 33, the computer executable instructions further causing the ventilator system to:
compare the timing difference between the first patient inspiratory effort and the second inspiratory effort to a time delay threshold; and
form a missed breath determination based on the comparison.
36. The non-transitory computer-readable medium according to claim 33, the computer executable instructions further causing the ventilator system to deliver inspiratory gases to the patient based on the second patient inspiratory effort and not the first patient inspiratory effort.
37. The non-transitory computer-readable medium according to claim 33, wherein the missed breath indicator is displayed concurrently with a delivered breath indicator.
38. A ventilator system comprising:
a pneumatic system for delivering respiratory gases to a patient;
at least one processor; and
at least one memory communicatively coupled to the at least one processor and storing computer executable instructions that, when executed by the at least one processor, cause the ventilator system to:
monitor respiratory data of the patient for multiple breaths;
repeatedly analyze the respiratory data using a background trigger detection application and an active trigger detection application, wherein the background trigger detection application and the active trigger detection application are different;
for each of the breaths in the multiple breaths, detect a first patient inspiratory effort with the background trigger application;
for each of the breaths in the multiple breaths, detect a second patient inspiratory effort with the active trigger application;
determine timing differences between the first patient inspiratory efforts and the second inspiratory efforts;
calculate missed breaths metrics based on the timing differences; and
display missed breath indicators based on the missed breaths metrics.
39. The ventilator system according to claim 38, wherein the background trigger detection application monitors patient inspiratory efforts based on at least intrapleural pressure.
40. The ventilator system according to claim 38, wherein the missed breath indicators are displayed concurrently with at least one delivered breath indicator.
41. The ventilator system according to claim 40, wherein the missed breath indicators and delivered breath indicator are displayed on a graphical representation of a waveform.
42. The ventilator system according to claim 41, wherein the waveform is one of a pressure waveform or a flow waveform.
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Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8272379B2 (en) 2008-03-31 2012-09-25 Nellcor Puritan Bennett, Llc Leak-compensated flow triggering and cycling in medical ventilators
US8267085B2 (en) 2009-03-20 2012-09-18 Nellcor Puritan Bennett Llc Leak-compensated proportional assist ventilation
US8792949B2 (en) 2008-03-31 2014-07-29 Covidien Lp Reducing nuisance alarms
CN102056538B (en) 2008-06-06 2014-10-15 柯惠有限合伙公司 Systems and methods for determining patient effort and/or respiratory parameters in a ventilation system
US8424520B2 (en) 2008-09-23 2013-04-23 Covidien Lp Safe standby mode for ventilator
US8302602B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Breathing assistance system with multiple pressure sensors
US8418691B2 (en) 2009-03-20 2013-04-16 Covidien Lp Leak-compensated pressure regulated volume control ventilation
US8439036B2 (en) 2009-12-01 2013-05-14 Covidien Lp Exhalation valve assembly with integral flow sensor
US8434483B2 (en) 2009-12-03 2013-05-07 Covidien Lp Ventilator respiratory gas accumulator with sampling chamber
US9262588B2 (en) 2009-12-18 2016-02-16 Covidien Lp Display of respiratory data graphs on a ventilator graphical user interface
US8707952B2 (en) 2010-02-10 2014-04-29 Covidien Lp Leak determination in a breathing assistance system
US8511306B2 (en) 2010-04-27 2013-08-20 Covidien Lp Ventilation system with system status display for maintenance and service information
US9364624B2 (en) 2011-12-07 2016-06-14 Covidien Lp Methods and systems for adaptive base flow
US8844526B2 (en) 2012-03-30 2014-09-30 Covidien Lp Methods and systems for triggering with unknown base flow
US10362967B2 (en) 2012-07-09 2019-07-30 Covidien Lp Systems and methods for missed breath detection and indication
WO2014070923A1 (en) * 2012-10-31 2014-05-08 Volcano Corporation Dependency-based startup in a multi-modality medical system
US9375542B2 (en) 2012-11-08 2016-06-28 Covidien Lp Systems and methods for monitoring, managing, and/or preventing fatigue during ventilation
US9289573B2 (en) 2012-12-28 2016-03-22 Covidien Lp Ventilator pressure oscillation filter
US9492629B2 (en) 2013-02-14 2016-11-15 Covidien Lp Methods and systems for ventilation with unknown exhalation flow and exhalation pressure
USD731049S1 (en) 2013-03-05 2015-06-02 Covidien Lp EVQ housing of an exhalation module
USD736905S1 (en) 2013-03-08 2015-08-18 Covidien Lp Exhalation module EVQ housing
USD731065S1 (en) 2013-03-08 2015-06-02 Covidien Lp EVQ pressure sensor filter of an exhalation module
USD731048S1 (en) 2013-03-08 2015-06-02 Covidien Lp EVQ diaphragm of an exhalation module
USD744095S1 (en) 2013-03-08 2015-11-24 Covidien Lp Exhalation module EVQ internal flow sensor
US9981096B2 (en) 2013-03-13 2018-05-29 Covidien Lp Methods and systems for triggering with unknown inspiratory flow
US20210093813A1 (en) * 2013-03-14 2021-04-01 Boston Wine Devices, Llc Automatic System for the Conservation of Gas and other Substances
US9950135B2 (en) 2013-03-15 2018-04-24 Covidien Lp Maintaining an exhalation valve sensor assembly
US10064583B2 (en) 2013-08-07 2018-09-04 Covidien Lp Detection of expiratory airflow limitation in ventilated patient
US9675771B2 (en) 2013-10-18 2017-06-13 Covidien Lp Methods and systems for leak estimation
DE102015003966A1 (en) * 2014-03-28 2015-10-01 Weinmann Geräte für Medizin GmbH + Co. KG Apparatus for ventilation
CN106659477A (en) * 2014-07-14 2017-05-10 皇家飞利浦有限公司 Grid calibration system for interventional procedures
US9808591B2 (en) 2014-08-15 2017-11-07 Covidien Lp Methods and systems for breath delivery synchronization
US9950129B2 (en) 2014-10-27 2018-04-24 Covidien Lp Ventilation triggering using change-point detection
US9925346B2 (en) 2015-01-20 2018-03-27 Covidien Lp Systems and methods for ventilation with unknown exhalation flow
CN104586368A (en) * 2015-02-05 2015-05-06 上海英诺伟医疗器械有限公司 Cavity pressure monitoring device
US10596343B2 (en) 2015-03-02 2020-03-24 Covidien Lp Oxygen sensor assembly for medical ventilator
USD775345S1 (en) 2015-04-10 2016-12-27 Covidien Lp Ventilator console
US10765822B2 (en) 2016-04-18 2020-09-08 Covidien Lp Endotracheal tube extubation detection
EP3706845B1 (en) 2017-11-09 2023-10-18 Autonomous Healthcare, Inc. Clinical decision support system for patient-ventilator asynchrony detection and management
EP3525857B1 (en) 2017-11-14 2020-01-29 Covidien LP Systems for drive pressure spontaneous ventilation
US12048526B2 (en) * 2017-12-15 2024-07-30 Respiratory Motion, Inc. Devices and methods of calculating and displaying continuously monitored tidal breathing flow-volume loops (TBFVL) obtained by non-invasive impedance-based respiratory volume monitoring
EP3789067B1 (en) * 2018-05-02 2024-01-10 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Respirator
US11247016B2 (en) 2018-05-14 2022-02-15 Covidien Lp Systems and methods for ventilation humidification
US11478594B2 (en) 2018-05-14 2022-10-25 Covidien Lp Systems and methods for respiratory effort detection utilizing signal distortion
US11752287B2 (en) 2018-10-03 2023-09-12 Covidien Lp Systems and methods for automatic cycling or cycling detection
US11554238B2 (en) * 2019-05-30 2023-01-17 Inogen, Inc. Concentrator with electronic handheld remote delivery device
US20220072263A1 (en) * 2020-09-09 2022-03-10 Covidien Lp Systems and methods for active humidification in ventilatory support
CN116438609A (en) * 2020-12-24 2023-07-14 深圳迈瑞生物医疗电子股份有限公司 Medical ventilation device and ventilation monitoring method
CN116711020A (en) * 2020-12-24 2023-09-05 深圳迈瑞生物医疗电子股份有限公司 Ventilation equipment and display method thereof
WO2022141016A1 (en) * 2020-12-29 2022-07-07 深圳迈瑞生物医疗电子股份有限公司 Breathing ventilation device and method for same to indicate wearing state of patient interface accessory
WO2024100525A1 (en) 2022-11-07 2024-05-16 Covidien Lp Patient-ventilator asynchrony dashboard

Family Cites Families (1294)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1202126A (en) 1915-04-14 1916-10-24 Respiratory Apparatus Company Apparatus for producing artificial respiration.
US1202125A (en) 1915-04-14 1916-10-24 Respiratory Apparatus Company Apparatus for producing artificial respiration.
US1241056A (en) 1915-07-19 1917-09-25 Respiratory Apparatus Company Apparatus for producing artificial respiration.
US2914067A (en) 1954-03-01 1959-11-24 Firewel Ind Breathing apparatus
GB862795A (en) 1958-06-12 1961-03-15 Bodin Girin & Cie Tissus Ind Tubular members provided with corrugated walls and method for producing same
GB1062772A (en) 1963-03-20 1967-03-22 Geoffrey Barnett Burchell A respiratory apparatus
GB1203767A (en) 1966-09-30 1970-09-03 Siebe Gorman & Co Ltd Improvements in or relating to closed-circuit breathing apparatus
US3577984A (en) 1967-03-27 1971-05-11 Donti Research Dev Mfg Spirometer
US3575167A (en) 1968-06-06 1971-04-20 Charles E Michielsen Multipurpose breathing apparatus
US3584618A (en) 1969-03-17 1971-06-15 Beckman Instruments Inc A system and method for monitoring a progressive sequence of physiological conditions
US3659590A (en) 1969-10-13 1972-05-02 Jones Medical Instr Co Respiration testing system
US3643652A (en) 1969-12-31 1972-02-22 Delfin J Beltran Medical breathing measuring system
US3628531A (en) 1970-04-24 1971-12-21 Leonard Harris Balanced-breathing pressure suit with helmet and hand-operated control valve
US3722510A (en) 1971-06-23 1973-03-27 Biomarine Industries Safety apparatus for oxygen supply system
US3759249A (en) 1971-08-19 1973-09-18 Nasa Respiratory analysis system and method
US3739776A (en) 1971-09-27 1973-06-19 Bird F M Fail-safe breathing circuit and valve assembly for use therewith
US3871371A (en) 1972-12-11 1975-03-18 Puritan Bennett Corp Respiration supply and control
US3961624A (en) 1972-12-11 1976-06-08 Puritan-Bennett Corporation Method of determining lung pressure of a patient using a positive pressure breathing system
US3940742A (en) 1973-08-06 1976-02-24 Medical Monitor Systems, Inc. Data acquisition, storage and display system
US4053951A (en) 1973-08-06 1977-10-11 Amsco/Medical Electronics, Inc. Data acquisition, storage and display system
CH568756A5 (en) 1973-09-07 1975-11-14 Hoffmann La Roche
US3911899A (en) 1973-11-08 1975-10-14 Chemetron Corp Respiration monitoring method and apparatus
US3952739A (en) 1974-10-21 1976-04-27 Airco, Inc. Fail safe system for a patient triggered respirator
US3957044A (en) 1974-11-11 1976-05-18 Nasa Self-contained breathing apparatus
US3985131A (en) 1974-11-20 1976-10-12 Searle Cardio-Pulmonary Systems Inc. Infant and pediatric ventilator
US3968795A (en) 1974-12-11 1976-07-13 Westinghouse Electric Corporation Underwater breathing apparatus
US3968794A (en) 1974-12-11 1976-07-13 Westinghouse Electric Corporation Underwater breathing apparatus
US3977394A (en) 1975-02-07 1976-08-31 Jones Medical Instrument Company Computerized pulmonary analyzer
JPS523911Y2 (en) 1975-03-20 1977-01-27
JPS51114156A (en) 1975-03-31 1976-10-07 Toshiba Corp Device for detecting the amount of ventilation
US3991304A (en) 1975-05-19 1976-11-09 Hillsman Dean Respiratory biofeedback and performance evaluation system
US3996928A (en) 1975-05-28 1976-12-14 Marx Alvin J Patient vital-signs automated measuring apparatus
US4034743A (en) 1975-10-24 1977-07-12 Airco, Inc. Automated pulmonary function testing apparatus
US4323064A (en) 1976-10-26 1982-04-06 Puritan-Bennett Corporation Volume ventilator
US4095592A (en) 1976-12-27 1978-06-20 Delphia John B Double breath divers valve
US4112931A (en) 1977-01-05 1978-09-12 Cavitron Corporation Tidal volume display
GB1596298A (en) 1977-04-07 1981-08-26 Morgan Ltd P K Method of and apparatus for detecting or measuring changes in the cross-sectional area of a non-magnetic object
GB1583273A (en) 1977-05-06 1981-01-21 Medishield Corp Ltd Lung ventilators
US4187842A (en) 1977-12-06 1980-02-12 N.A.D., Inc. Pressure monitor for breathing system
US4215409A (en) 1978-03-13 1980-07-29 Mckesson Company Flow control system for anesthesia apparatus
US4284075A (en) 1978-06-17 1981-08-18 Alan Krasberg Diving headgear for use in return-line diving systems
US4241739A (en) 1978-11-13 1980-12-30 C. R. Bard, Inc. Volume calculator for incentive spirometer
GB2050023B (en) 1979-02-28 1983-01-19 Hodgson W R Ventilator disconnection alarm
US4258718A (en) 1979-04-16 1981-03-31 Goldman Michael D Measuring respiratory air volume
DE2926747C2 (en) 1979-07-03 1982-05-19 Drägerwerk AG, 2400 Lübeck Ventilation system with a ventilator controlled by patient values
US4296756A (en) 1979-07-26 1981-10-27 Cyber Diagnostics, Inc. Remote pulmonary function tester
US4433693A (en) 1979-09-27 1984-02-28 Hochstein Peter A Method and assembly for monitoring respiration and detecting apnea
US4299236A (en) 1979-10-22 1981-11-10 Thermo Electron Corporation Incentive breathing exerciser
US4294242A (en) 1980-03-31 1981-10-13 Kinergetics, Inc. Survival system
IT1131177B (en) 1980-05-14 1986-06-18 Consiglio Nazionale Ricerche PROGRAMMABLE BAND COMPARATOR, MULTI-CHANNEL, FOR CARDIOSURGICAL UNITS
FR2483785A1 (en) 1980-06-10 1981-12-11 Air Liquide AUTOMATIC VENTILATION CORRECTION RESPIRATOR
SE434799B (en) 1980-06-18 1984-08-20 Gambro Engstrom Ab SET AND DEVICE FOR CONTROL OF A LUNG FAN
US4440177A (en) 1980-07-03 1984-04-03 Medical Graphics Corporation Respiratory analyzer system
JPS5948106B2 (en) 1980-08-27 1984-11-24 株式会社東芝 respiratory monitoring device
US4366821A (en) 1980-09-15 1983-01-04 Marie C. Kercheval Breath monitor device
US4407295A (en) 1980-10-16 1983-10-04 Dna Medical, Inc. Miniature physiological monitor with interchangeable sensors
CA1165206A (en) 1980-12-04 1984-04-10 Alistair L. Carnegie Deep diving breathing systems
US4401116A (en) 1980-12-04 1983-08-30 Bear Medical Systems, Inc. Gas flow rate control device for medical ventilator
DE3109660C2 (en) 1981-03-13 1983-01-05 Drägerwerk AG, 2400 Lübeck Electrically and mechanically controllable breathing apparatus based on the circulatory principle
US4391283A (en) 1981-03-24 1983-07-05 Whitman Medical Corporation Incentive spirometer
US4736750A (en) 1981-04-24 1988-04-12 Valdespino Joseph M Apparatus for testing pulmonary functions
US4463764A (en) 1981-09-29 1984-08-07 Medical Graphics Corporation Cardiopulmonary exercise system
FR2517961A1 (en) 1981-12-11 1983-06-17 Synthelabo Biomedical METHOD AND DEVICE FOR CONTROLLING ARTIFICIAL RESPIRATION
US4550726A (en) 1982-07-15 1985-11-05 Mcewen James A Method and apparatus for detection of breathing gas interruptions
US4459982A (en) 1982-09-13 1984-07-17 Bear Medical Systems, Inc. Servo-controlled demand regulator for respiratory ventilator
US4498471A (en) 1982-09-28 1985-02-12 U.S.D. Corp. First and second stage regulator system for breathing gas
US4654029A (en) 1982-12-13 1987-03-31 Howmedica, Inc. Electronic drainage system
DE3401384A1 (en) 1984-01-17 1985-07-25 Drägerwerk AG, 2400 Lübeck DEVICE FOR THE SUPPLY OF VENTILATION GAS IN THE CLOSED BREATHING CIRCUIT OF A MEDICAL VENTILATOR
DE3302114C2 (en) 1983-01-22 1985-03-14 Drägerwerk AG, 2400 Lübeck Cold protection suit with respiratory protection device
US4495944A (en) 1983-02-07 1985-01-29 Trutek Research, Inc. Inhalation therapy apparatus
US4506667A (en) 1983-04-06 1985-03-26 Figgie Int Inc Self-contained ventilator/resuscitator
US4522639A (en) 1983-04-15 1985-06-11 Figgie International Inc. Unified filter and connector housing assembly incorporating a diversion valve
US4606340A (en) 1983-07-14 1986-08-19 Figgie International Inc. Combined pressure compensating exhalation and anti-suffocation valve
DE3422023C2 (en) 1984-06-14 1987-04-23 Drägerwerk AG, 2400 Lübeck Lung regulator for breathing apparatus
US4653493A (en) 1985-02-08 1987-03-31 Hoppough John M Ventilator unit exhalation contamination control device
US4648407A (en) 1985-07-08 1987-03-10 Respitrace Corporation Method for detecting and differentiating central and obstructive apneas in newborns
US4813409A (en) 1985-09-27 1989-03-21 Aaron Ismach Ventilator system having improved means for assisting and controlling a patient's breathing
US4870960A (en) 1985-10-07 1989-10-03 Litton Systems, Inc. Backup breathing gas supply for an oxygen concentrator system
US4637385A (en) 1986-01-13 1987-01-20 Tibor Rusz Pulmonary ventilator controller
US5150291A (en) 1986-03-31 1992-09-22 Puritan-Bennett Corporation Respiratory ventilation apparatus
US4790832A (en) 1986-06-06 1988-12-13 Icu Medical, Inc. System for administering medication nasally to a patient
US4721060A (en) 1986-07-17 1988-01-26 Battelle Memorial Institute Nose-only exposure system
US4702240A (en) 1986-07-22 1987-10-27 Bear Medical Systems, Inc. Demand-responsive gas blending system for medical ventilator
US4870961A (en) 1986-09-22 1989-10-03 Barnard Gordon D Medical ventilator tube and manifold assembly
EP0282675A3 (en) 1986-11-04 1990-01-03 Bird Products Corporation Flow control valve for a medical ventilator
US4752089A (en) 1987-01-29 1988-06-21 Puritan-Bennett Corporation Connector means providing fluid-tight but relatively rotatable joint
US5522382A (en) 1987-06-26 1996-06-04 Rescare Limited Device and method for treating obstructed breathing having a delay/ramp feature
US5080093A (en) 1987-07-08 1992-01-14 Vortran Medical Technology, Inc. Intermittant signal actuated nebulizer
US5322057A (en) 1987-07-08 1994-06-21 Vortran Medical Technology, Inc. Intermittent signal actuated nebulizer synchronized to operate in the exhalation phase, and its method of use
US4790327A (en) 1987-07-27 1988-12-13 George Despotis Endotracheal intubation device
US4852582A (en) 1987-09-11 1989-08-01 Pell Donald M Method and kit for measuring the effectiveness of bronchodilators
US4867152A (en) 1987-10-09 1989-09-19 The Boc Group, Inc. Respiratory therapy apparatus with selective display of parameter set points
US5474062A (en) 1987-11-04 1995-12-12 Bird Products Corporation Medical ventilator
US4796639A (en) 1987-11-05 1989-01-10 Medical Graphics Corporation Pulmonary diagnostic system
US4921642A (en) 1987-12-03 1990-05-01 Puritan-Bennett Corporation Humidifier module for use in a gas humidification assembly
US5003985A (en) 1987-12-18 1991-04-02 Nippon Colin Co., Ltd. End tidal respiratory monitor
FR2624744B1 (en) 1987-12-18 1993-09-17 Inst Nat Sante Rech Med METHOD FOR REGULATING AN ARTIFICIAL VENTILATION DEVICE AND SUCH A DEVICE
US4876903A (en) 1988-01-11 1989-10-31 Budinger William D Method and apparatus for determination and display of critical gas supply information
US5058601A (en) 1988-02-10 1991-10-22 Sherwood Medical Company Pulmonary function tester
EP0406258A4 (en) 1988-03-23 1991-03-13 Christa Ursula Palfy Nasal tube holder
US4898174A (en) 1988-05-03 1990-02-06 Life Support Products, Inc. Automatic ventilator
GB8812128D0 (en) 1988-05-23 1988-06-29 Instr & Movements Ltd Improvements in ventilators
US4917108A (en) 1988-06-29 1990-04-17 Mault James R Oxygen consumption meter
US5021046A (en) 1988-08-10 1991-06-04 Utah Medical Products, Inc. Medical pressure sensing and display system
US5022393A (en) 1988-10-14 1991-06-11 The Boeing Company Apparatus for warning a pilot of life-support system failures
US4984158A (en) 1988-10-14 1991-01-08 Hillsman Dean Metered dose inhaler biofeedback training and evaluation system
US5048515A (en) 1988-11-15 1991-09-17 Sanso David W Respiratory gas supply apparatus and method
US5156145A (en) 1988-11-17 1992-10-20 Life Support Technology Corporation Self-contained breathing system apparatus with automatic back-up
US5165397A (en) 1988-12-15 1992-11-24 Arp Leon J Method and apparatus for demand oxygen system monitoring and control
US5325861A (en) 1989-04-12 1994-07-05 Puritan-Bennett Corporation Method and apparatus for measuring a parameter of a gas in isolation from gas pressure fluctuations
US5072737A (en) 1989-04-12 1991-12-17 Puritan-Bennett Corporation Method and apparatus for metabolic monitoring
US5127398A (en) 1989-04-19 1992-07-07 Cis-Lunar Development Laboratories, Inc. Breathing apparatus mouthpiece
US5259373A (en) 1989-05-19 1993-11-09 Puritan-Bennett Corporation Inspiratory airway pressure system controlled by the detection and analysis of patient airway sounds
US4954799A (en) 1989-06-02 1990-09-04 Puritan-Bennett Corporation Proportional electropneumatic solenoid-controlled valve
GB8913085D0 (en) 1989-06-07 1989-07-26 Whitwam James G Improvements in or relating to medical ventilators
US5107831A (en) 1989-06-19 1992-04-28 Bear Medical Systems, Inc. Ventilator control system using sensed inspiratory flow rate
US5299568A (en) 1989-06-22 1994-04-05 Puritan-Bennett Corporation Method for controlling mixing and delivery of respiratory gas
US5148802B1 (en) 1989-09-22 1997-08-12 Respironics Inc Method and apparatus for maintaining airway patency to treat sleep apnea and other disorders
US5632269A (en) 1989-09-22 1997-05-27 Respironics Inc. Breathing gas delivery method and apparatus
US5239995A (en) 1989-09-22 1993-08-31 Respironics, Inc. Sleep apnea treatment apparatus
US4990894A (en) 1989-11-01 1991-02-05 Hudson Respiratory Care Inc. Ventilator monitor and alarm apparatus
US5419314A (en) 1989-11-02 1995-05-30 Christopher; Kent L. Method and apparatus for weaning ventilator-dependent patients
AU634847B2 (en) 1989-12-01 1993-03-04 Thomas Julius Borody Oxygenating oral medical appliance
US5165398A (en) 1989-12-08 1992-11-24 Bird F M Ventilator and oscillator for use therewith and method
US5074297A (en) 1989-12-19 1991-12-24 The General Hospital Corporation Self-sealing mask for delivering intermittent positive pressure ventilation
US5137026A (en) 1990-01-04 1992-08-11 Glaxo Australia Pty., Ltd. Personal spirometer
US5448996A (en) 1990-02-02 1995-09-12 Lifesigns, Inc. Patient monitor sheets
US5134994A (en) 1990-02-12 1992-08-04 Say Sam L Field aspirator in a soft pack with externally mounted container
US5020527A (en) 1990-02-20 1991-06-04 Texax-Glynn Corporation Inhaler device with counter/timer means
KR920700581A (en) 1990-03-09 1992-08-10 다니이 아끼오 Sleep detection device
US5161525A (en) 1990-05-11 1992-11-10 Puritan-Bennett Corporation System and method for flow triggering of pressure supported ventilation
US5596983A (en) 1990-03-21 1997-01-28 Zander; Rolf Apparatus for oxygenating a patient
EP1103279A3 (en) 1990-03-30 2001-06-27 The University Of Manitoba Lung ventilator device
US5390666A (en) 1990-05-11 1995-02-21 Puritan-Bennett Corporation System and method for flow triggering of breath supported ventilation
US5237987A (en) 1990-06-07 1993-08-24 Infrasonics, Inc. Human lung ventilator system
US5407174A (en) 1990-08-31 1995-04-18 Puritan-Bennett Corporation Proportional electropneumatic solenoid-controlled valve
US5057822A (en) 1990-09-07 1991-10-15 Puritan-Bennett Corporation Medical gas alarm system
US5402796A (en) 1990-09-19 1995-04-04 University Of Melbourne Arterial CO2 Monitor and closed loop controller
US5086767A (en) 1990-09-26 1992-02-11 Canadian Aging & Rehabilitation Product Development Corporation Ventilator for assisting the breathing of a patient
DE4033292A1 (en) 1990-10-19 1992-04-23 Uwatec Ag Mobile respirator monitor with pressure gauge - has transmitter with control for spacing of transmission signals, and identification signal generator
SE9003465L (en) 1990-10-31 1991-10-21 Siemens Elema Ab SAFETY VALVE BY FAN
JPH0653176B2 (en) 1990-11-30 1994-07-20 史朗 鈴木 humidifier
US5246010A (en) 1990-12-11 1993-09-21 Biotrine Corporation Method and apparatus for exhalation analysis
DE59009561D1 (en) 1990-12-20 1995-09-28 Siemens Ag Ventilator with trigger sensitivity depending on the patient gas flow.
US5320093A (en) 1990-12-21 1994-06-14 Brigham And Women's Hospital Rapid anesthesia emergence system using closed-loop PCO2 control
US5279549A (en) 1991-01-04 1994-01-18 Sherwood Medical Company Closed ventilation and suction catheter system
GB9104201D0 (en) 1991-02-28 1991-04-17 Kraemer Richard Medical device
US5450336A (en) 1991-03-05 1995-09-12 Aradigm Corporation Method for correcting the drift offset of a transducer
US5404871A (en) 1991-03-05 1995-04-11 Aradigm Delivery of aerosol medications for inspiration
EP0683890B1 (en) 1991-03-05 2002-04-03 Aradigm Corporation Method and device for correcting the drift offset of a pressure sensor of a flowmeter
US5319355A (en) 1991-03-06 1994-06-07 Russek Linda G Alarm for patient monitor and life support equipment system
EP0502270B1 (en) 1991-03-07 1997-01-02 Hamamatsu Photonics K.K. Tissue oxygen measuring system
US5365922A (en) 1991-03-19 1994-11-22 Brigham And Women's Hospital, Inc. Closed-loop non-invasive oxygen saturation control system
US5231981A (en) 1991-03-20 1993-08-03 N.A.D., Inc. Display panel with pistol grip for use with anesthesia apparatus
US5211170A (en) 1991-04-01 1993-05-18 Press Roman J Portable emergency respirator
GB9106960D0 (en) 1991-04-03 1991-05-22 Bnos Electronics Ltd Breathing apparatus
GB9108370D0 (en) 1991-04-18 1991-06-05 Clement Clarke Int Measurement apparatus
US5486286A (en) 1991-04-19 1996-01-23 Althin Medical, Inc. Apparatus for performing a self-test of kidney dialysis membrane
US5242455A (en) 1991-05-03 1993-09-07 University Of Pittsburgh Imaging fixation and localization system
US5542415A (en) 1991-05-07 1996-08-06 Infrasonics, Inc. Apparatus and process for controlling the ventilation of the lungs of a patient
FI921924A (en) 1991-05-08 1992-11-09 Nellcor Inc PORTABEL COLDIOXIDE MONITOR
US5261397A (en) 1991-05-10 1993-11-16 The Children's Hospital Of Philadelphia Methods and apparatus for measuring infant lung function and providing respiratory system therapy
US5235973A (en) 1991-05-15 1993-08-17 Gary Levinson Tracheal tube cuff inflation control and monitoring system
DE69130979T2 (en) 1991-06-12 2000-05-04 Tradotec S.A., Vernier Ergometric device
US5203343A (en) 1991-06-14 1993-04-20 Board Of Regents, The University Of Texas System Method and apparatus for controlling sleep disorder breathing
EP0520082A1 (en) 1991-06-28 1992-12-30 Siemens-Elema AB Ventilator in which the inspiratory flow rate is controlled by the expiratory flow rate
DE4122069A1 (en) 1991-07-04 1993-01-07 Draegerwerk Ag METHOD FOR DETECTING A PATIENT'S BREATHING PHASES IN ASSISTANT VENTILATION METHODS
JP2582010B2 (en) 1991-07-05 1997-02-19 芳嗣 山田 Monitoring device for respiratory muscle activity
US5261415A (en) 1991-07-12 1993-11-16 Ciba Corning Diagnostics Corp. CO2 mainstream capnography sensor
US5224487A (en) 1991-07-22 1993-07-06 Healthscan Products, Inc. Portable peak flow meter
US5303698A (en) 1991-08-27 1994-04-19 The Boc Group, Inc. Medical ventilator
US5174284A (en) 1991-09-05 1992-12-29 G.I. Supply, Inc. Endoscopic bite block
US6123075A (en) 1991-10-15 2000-09-26 Mallinckrodt, Inc. Resuscitator regulator with carbon dioxide detector
WO1993008534A1 (en) 1991-10-24 1993-04-29 Hewlett-Packard Gmbh Apparatus and method for evaluating the fetal condition
US5167506A (en) 1991-10-24 1992-12-01 Minnesota Mining And Manufacturing Company Inhalation device training system
US7013892B2 (en) 1991-11-01 2006-03-21 Ric Investments, Llc Sleep apnea treatment apparatus
US5303699A (en) 1991-11-18 1994-04-19 Intermed Equipamento Medico Hospitalar Ltda. Infant ventilator with exhalation valves
US5687713A (en) 1991-11-29 1997-11-18 Bahr; Erik W. Breathing mask
US5363842A (en) 1991-12-20 1994-11-15 Circadian, Inc. Intelligent inhaler providing feedback to both patient and medical professional
US5195512A (en) 1991-12-31 1993-03-23 Sunny Rosso Apparatus for evacuating excess gases from surgery patient's face
DE4201832C2 (en) 1992-01-24 1994-01-27 Draegerwerk Ag Respirator mask with flow indicator for breathing air
US5277195A (en) 1992-02-03 1994-01-11 Dura Pharmaceuticals, Inc. Portable spirometer
US5271389A (en) 1992-02-12 1993-12-21 Puritan-Bennett Corporation Ventilator control system that generates, measures, compares, and corrects flow rates
US5395301A (en) 1992-03-30 1995-03-07 Russek; Linda G. Kinesthetic system for promoting rhythmic breathing by tactile stimulation
US5307794A (en) 1992-04-01 1994-05-03 Sensormedics Corporation Oscillating ventilator apparatus and method and patient isolation apparatus
US5355893A (en) 1992-04-06 1994-10-18 Mick Peter R Vital signs monitor
US5385142A (en) 1992-04-17 1995-01-31 Infrasonics, Inc. Apnea-responsive ventilator system and method
US5333606A (en) 1992-04-24 1994-08-02 Sherwood Medical Company Method for using a respirator accessory access port and adaptor therefore
US5279304A (en) 1992-04-30 1994-01-18 Robert K. Einhorn Nasal volume meter
US5645048A (en) 1992-05-06 1997-07-08 The Kendall Company Patient ventilating apparatus with modular components
DE59208797D1 (en) 1992-05-21 1997-09-18 Siemens Ag Method and device for controlling and independently monitoring a very small glass flow
US5259374A (en) 1992-06-12 1993-11-09 Miller Russell L Diver adjustable control for underwater breathing apparatus
FR2692152B1 (en) 1992-06-15 1997-06-27 Pierre Medical Sa BREATHING AID, PARTICULARLY FOR TREATING SLEEP APNEA.
US5293875A (en) 1992-06-16 1994-03-15 Natus Medical Incorporated In-vivo measurement of end-tidal carbon monoxide concentration apparatus and methods
FR2692650B1 (en) 1992-06-19 1994-08-19 Taema Fluid distribution monitoring system to a user station.
DE4221931C1 (en) 1992-07-03 1993-07-08 Harald Dr. 8521 Moehrendorf De Mang
FR2693910B1 (en) 1992-07-23 1994-08-26 Taema Equipment and methods for delivering doses of at least one gas to the respiratory tract of a user.
SE501585C2 (en) 1992-08-11 1995-03-20 Swedish Sophisticated Export I Device for fixing objects such as measuring means, sensor, probe, tube or the like in the mouth, nose or other opening of a human or other individual
US7081095B2 (en) 2001-05-17 2006-07-25 Lynn Lawrence A Centralized hospital monitoring system for automatically detecting upper airway instability and for preventing and aborting adverse drug reactions
US7758503B2 (en) 1997-01-27 2010-07-20 Lynn Lawrence A Microprocessor system for the analysis of physiologic and financial datasets
AU5016593A (en) 1992-08-19 1994-03-15 Lawrence A. Lynn Apparatus for the diagnosis of sleep apnea
GB2270293A (en) 1992-09-05 1994-03-09 Medix Ltd Drug dispensing system
GB9219102D0 (en) 1992-09-09 1992-10-21 Fairfax Andrew J Flowmeters
FR2695830B1 (en) 1992-09-18 1994-12-30 Pierre Medical Sa Breathing aid device.
US5339807A (en) 1992-09-22 1994-08-23 Puritan-Bennett Corporation Exhalation valve stabilizing apparatus
US5333106A (en) 1992-10-09 1994-07-26 Circadian, Inc. Apparatus and visual display method for training in the power use of aerosol pharmaceutical inhalers
US5335650A (en) 1992-10-13 1994-08-09 Temple University - Of The Commonwealth System Of Higher Education Process control for liquid ventilation and related procedures
FI95873C (en) 1992-10-15 1996-04-10 Orion Yhtymae Oy Valve for use with an inhaler
US5357946A (en) 1992-10-19 1994-10-25 Sherwood Medical Company Ventilator manifold with accessory access port and adaptors therefore
US5810741A (en) 1992-11-05 1998-09-22 Synectics Medical Ab Method of measuring respiration and respiratory effort using plural catheters
US5477860A (en) 1992-11-05 1995-12-26 Synectics Medical, Inc. Catheter for measuring respiration and respiratory effort
US5318017A (en) 1992-11-05 1994-06-07 Ellison Lee H Guide for transesophageal echo probe
US5956501A (en) 1997-01-10 1999-09-21 Health Hero Network, Inc. Disease simulation system and method
US5590648A (en) 1992-11-30 1997-01-07 Tremont Medical Personal health care system
US5517983A (en) 1992-12-09 1996-05-21 Puritan Bennett Corporation Compliance meter for respiratory therapy
CA2109017A1 (en) 1992-12-16 1994-06-17 Donald M. Smith Method and apparatus for the intermittent delivery of oxygen therapy to a person
US5368019A (en) 1992-12-16 1994-11-29 Puritan-Bennett Corporation System and method for operating a respirator compressor system under low voltage conditions
RU2111020C1 (en) 1992-12-18 1998-05-20 Шеринг Корпорейшн Powdered drug inhaler
JPH06191481A (en) 1992-12-22 1994-07-12 Zexel Corp Mouth piece for semi-closed type breather
US5899203A (en) 1992-12-24 1999-05-04 Defares; Peter Bernard Interactive respiratory regulator
NL9202256A (en) 1992-12-24 1994-07-18 Peter Bernard Defares Interactive breathing regulator.
US5438980A (en) 1993-01-12 1995-08-08 Puritan-Bennett Corporation Inhalation/exhalation respiratory phase detection circuit
US6012450A (en) 1993-01-29 2000-01-11 Aradigm Corporation Intrapulmonary delivery of hematopoietic drug
SE9300364L (en) 1993-02-05 1994-02-21 Siemens Elema Ab Method for fresh gas supply for manual ventilation and a fan system for carrying out the method
US5443075A (en) 1993-03-01 1995-08-22 Puritan-Bennett Corporation Flow measuring apparatus
US5813399A (en) 1993-03-16 1998-09-29 Puritan Bennett Corporation System and method for closed loop airway pressure control during the inspiratory cycle of a breath in a patient ventilator using the exhalation valve as a microcomputer-controlled relief valve
US5375592A (en) 1993-04-08 1994-12-27 Kirk; Gilbert M. Carbon dioxide detector and shield
US5373851A (en) 1993-04-19 1994-12-20 Brunswick Biomedical Corporation Specialized peak flow meter
US5435305A (en) 1993-05-24 1995-07-25 Rankin, Sr.; Pleasant P. Emergency air supply pack
US5501231A (en) 1993-06-02 1996-03-26 Kaish; Norman Patient operated system for testing and recording a biological condition of the patient
US5651264A (en) 1993-06-29 1997-07-29 Siemens Electric Limited Flexible process controller
US5383470A (en) 1993-09-20 1995-01-24 Steve Novak Portable spirometer
DE4332401A1 (en) 1993-09-23 1995-03-30 Uwatec Ag Device and method for monitoring a dive
EP0645119A3 (en) 1993-09-27 1998-04-15 Ohmeda Inc. Disabling apnoea volume software
US5398676A (en) 1993-09-30 1995-03-21 Press; Roman J. Portable emergency respirator
GB2282542B (en) 1993-10-06 1997-06-25 Instruments & Movements Ltd Ventilators for promoting lung function
US5518002A (en) 1993-10-22 1996-05-21 Medtrac Technologies, Inc. Portable electronic spirometric device
US5351522A (en) 1993-11-02 1994-10-04 Aequitron Medical, Inc. Gas sensor
US6604523B2 (en) 1993-11-09 2003-08-12 Cprx Llc Apparatus and methods for enhancing cardiopulmonary blood flow and ventilation
BR9304638A (en) 1993-12-06 1995-07-25 Intermed Equipamento Medico Ho Respiratory cycle control system
DE4422710C1 (en) 1994-06-29 1995-09-14 Boehringer Ingelheim Kg Inhaler with storage container for aerosol
US6390088B1 (en) 1993-12-13 2002-05-21 Boehringer Ingelheim Kg Aerosol inhaler
US5429123A (en) 1993-12-15 1995-07-04 Temple University - Of The Commonwealth System Of Higher Education Process control and apparatus for ventilation procedures with helium and oxygen mixtures
EP0667169B1 (en) 1994-01-12 1999-04-07 Société d'Applications Industrielles Medicales et Electroniques ( SAIME) Device for respiratory assistance with limited pressure mode of treating support
US5401135A (en) 1994-01-14 1995-03-28 Crow River Industries Foldable platform wheelchair lift with safety barrier
SE501560C2 (en) 1994-02-14 1995-03-13 Siemens Elema Ab Ventilator for regulating flow of air to and air pressure in lung - has pressure gauge for determining pressure of air in lung and volume determining device for determining volume of air supplied to lung
US5487731A (en) 1994-02-22 1996-01-30 Wolfe Tory Medical, Inc. Esophageal intubation detector with indicator
US5591130A (en) 1994-02-22 1997-01-07 Wolfe Troy Medical, Inc. Esophageal intubation detector with indicator
US5582167A (en) 1994-03-02 1996-12-10 Thomas Jefferson University Methods and apparatus for reducing tracheal infection using subglottic irrigation, drainage and servoregulation of endotracheal tube cuff pressure
US5456264A (en) 1994-03-31 1995-10-10 Universite Laval Accuracy of breath-by-breath analysis of flow volume loop in identifying flow-limited breathing cycles in patients
US5507291A (en) 1994-04-05 1996-04-16 Stirbl; Robert C. Method and an associated apparatus for remotely determining information as to person's emotional state
SE503175C2 (en) 1994-05-06 1996-04-15 Siemens Elema Ab Safety systems for anesthesia equipment with at least two anesthetic carburetors
US5704366A (en) 1994-05-23 1998-01-06 Enact Health Management Systems System for monitoring and reporting medical measurements
US5564414A (en) 1994-05-26 1996-10-15 Walker; William F. Pressurized and metered medication dose counter on removable sleeve
WO1995033184A1 (en) 1994-05-26 1995-12-07 Astra Aktiebolag Measurement system and method
US6105575A (en) 1994-06-03 2000-08-22 Respironics, Inc. Method and apparatus for providing positive airway pressure to a patient
US5485833A (en) 1994-06-10 1996-01-23 Dietz; Henry G. Breath exposure synchronizer
JPH0824337A (en) 1994-07-11 1996-01-30 Masaaki Inoue High frequency respirator
US5564432A (en) 1994-07-13 1996-10-15 Thomson; Ronald A. Biodegradable air tube and spirometer employing same
US5606976A (en) 1994-07-26 1997-03-04 Trustees Of The University Of Pennsylvania Method and apparatus for unifying the ventilation/perfusion and pressure/flow models
SE503155C2 (en) 1994-07-28 1996-04-01 Comasec International Sa Methods and apparatus for functional control of breathing apparatus
US5906203A (en) 1994-08-01 1999-05-25 Safety Equipment Sweden Ab Breathing apparatus
US5571142A (en) 1994-08-30 1996-11-05 The Ohio State University Research Foundation Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome
US5683424A (en) 1994-08-30 1997-11-04 The Ohio State University Research Foundation Non-invasive monitoring and treatment of subjects in cardiac arrest using ECG parameters predictive of outcome
US5964218A (en) 1994-08-31 1999-10-12 Lifepro, Inc. Face mask with back-up smoke inhalation protection and method of operation
TW287952B (en) 1994-08-31 1996-10-11 Lifepro Inc
US5524615A (en) 1994-09-08 1996-06-11 Puritan-Bennett Corporation Ventilator airway fluid collection system
DE4432219C1 (en) 1994-09-10 1996-04-11 Draegerwerk Ag Automatic breathing system for patients
US6866040B1 (en) 1994-09-12 2005-03-15 Nellcor Puritan Bennett France Developpement Pressure-controlled breathing aid
US5596984A (en) 1994-09-12 1997-01-28 Puritan-Bennett Corporation Lung ventilator safety circuit
US5632270A (en) 1994-09-12 1997-05-27 Puritan-Bennett Corporation Method and apparatus for control of lung ventilator exhalation circuit
US5531221A (en) 1994-09-12 1996-07-02 Puritan Bennett Corporation Double and single acting piston ventilators
FR2724322A1 (en) 1994-09-12 1996-03-15 Pierre Medical Sa PRESSURE CONTROLLED BREATHING AID
US5794986A (en) 1994-09-15 1998-08-18 Infrasonics, Inc. Semi-disposable ventilator breathing circuit tubing with releasable coupling
US5520071A (en) 1994-09-30 1996-05-28 Crow River Industries, Incorporated Steering wheel control attachment apparatus
US5582182A (en) 1994-10-03 1996-12-10 Sierra Biotechnology Company, Lc Abnormal dyspnea perception detection system and method
DE4436014C2 (en) 1994-10-08 2002-06-20 Uvo Hoelscher Medical device with a dosing device
EP0800412B1 (en) 1994-10-14 2003-03-26 Bird Products Corporation Portable drag compressor powered mechanical ventilator
US5642726A (en) 1994-10-18 1997-07-01 Alcove Medical, Inc. Reduced internal volume neonatal suction adaptor
CA2161307C (en) 1994-10-25 2001-12-25 Daisuke Kobatake An apparatus for supplying a respiratory gas to a patient
US5503146A (en) 1994-10-26 1996-04-02 Devilbiss Health Care, Inc. Standby control for CPAP apparatus
US5495848A (en) 1994-11-25 1996-03-05 Nellcar Puritan Bennett Monitoring system for delivery of therapeutic gas
US5540218A (en) 1994-12-05 1996-07-30 The United States Of America As Represented By The Secretary Of The Navy Respiratory system particularly suited for aircrew use
US5540220A (en) 1994-12-08 1996-07-30 Bear Medical Systems, Inc. Pressure-limited, time-cycled pulmonary ventilation with volume-cycle override
US5551419A (en) 1994-12-15 1996-09-03 Devilbiss Health Care, Inc. Control for CPAP apparatus
US5672041A (en) 1994-12-22 1997-09-30 Crow River Industries, Inc. Collapsible, powered platform for lifting wheelchair
DE19500529C5 (en) 1995-01-11 2007-11-22 Dräger Medical AG & Co. KG Control unit for a ventilator
US5590651A (en) 1995-01-17 1997-01-07 Temple University - Of The Commonwealth System Of Higher Education Breathable liquid elimination analysis
US5800361A (en) 1995-02-06 1998-09-01 Ntc Technology Inc. Non-invasive estimation of arterial blood gases
US5632281A (en) 1995-02-06 1997-05-27 Rayburn; Daniel B. Non-invasive estimation of arterial blood gases
CA2187288A1 (en) 1995-02-08 1996-08-15 Edwin B. Merrick Gas mixing apparatus for a ventilator
DE69622017T2 (en) 1995-02-09 2002-12-05 Puritan-Bennett Corp., Pleasanton VENTILATOR OF THE PISTON DESIGN
US5642735A (en) 1995-03-16 1997-07-01 Kolbly; Kenneth D. Temperature sensing device for medical patients with releasable housing
JP3390802B2 (en) 1995-03-28 2003-03-31 日本光電工業株式会社 Respiration monitor
US6415792B1 (en) 1995-04-11 2002-07-09 Schoolman Scientific Corporation Anesthesia machine with head worn display
US5678535A (en) 1995-04-21 1997-10-21 Dimarco; Anthony Fortunato Method and apparatus for electrical stimulation of the respiratory muscles to achieve artificial ventilation in a patient
US5730140A (en) 1995-04-28 1998-03-24 Fitch; William Tecumseh S. Sonification system using synthesized realistic body sounds modified by other medically-important variables for physiological monitoring
US5553620A (en) 1995-05-02 1996-09-10 Acuson Corporation Interactive goal-directed ultrasound measurement system
US5809997A (en) 1995-05-18 1998-09-22 Medtrac Technologies, Inc. Electronic medication chronolog device
SE510296C2 (en) 1995-05-22 1999-05-10 Jerker Delsing Methods and devices for measuring flow
US5611335A (en) 1995-06-06 1997-03-18 Makhoul; Imad R. High-frequency fan ventilator
US5634461A (en) 1995-06-07 1997-06-03 Alliance Pharmaceutical Corp. System for measuring blood oxygen levels
WO1996040337A1 (en) 1995-06-07 1996-12-19 Nellcor Puritan Bennett Incorporated Pressure control for constant minute volume
US6390977B1 (en) 1995-06-07 2002-05-21 Alliance Pharmaceutical Corp. System and methods for measuring oxygenation parameters
FI102511B (en) 1995-06-26 1998-12-31 Instrumentarium Oy Contents measurement from respiratory air
SE506208C2 (en) 1995-07-05 1997-11-24 Aerocrine Systems Kb Device for collecting gas from the upper respiratory tract and delivering this gas to the inhalation air in a respirator
SE9502543D0 (en) 1995-07-10 1995-07-10 Lachmann Burkhardt Artificial ventilation system
US5544674A (en) 1995-07-14 1996-08-13 Infrasonics, Inc. Gas mixing apparatus for respirator
US5513631A (en) 1995-07-21 1996-05-07 Infrasonics, Inc. Triggering of patient ventilator responsive to a precursor signal
US5706801A (en) 1995-07-28 1998-01-13 Caire Inc. Sensing and communications system for use with oxygen delivery apparatus
IL114964A (en) 1995-08-16 2000-10-31 Versamed Medical Systems Ltd Computer controlled portable ventilator
US6000396A (en) 1995-08-17 1999-12-14 University Of Florida Hybrid microprocessor controlled ventilator unit
US5685318A (en) 1995-09-29 1997-11-11 Siemens Medical Systems, Inc. Method and apparatus for detecting quick movement artifact in impedance respiration signals
DE69618133T2 (en) 1995-10-13 2002-07-11 Siemens-Elema Ab, Solna Tracheal tube and device for ventilation systems
US5758652A (en) 1995-10-19 1998-06-02 Nikolic; Serjan D. System and method to measure the condition of a patients heart
SE9503665L (en) 1995-10-19 1997-04-20 Siemens Elema Ab Anesthesia System
US5743267A (en) 1995-10-19 1998-04-28 Telecom Medical, Inc. System and method to monitor the heart of a patient
US6135105A (en) 1995-10-20 2000-10-24 University Of Florida Lung classification scheme, a method of lung class identification and inspiratory waveform shapes
AUPN616795A0 (en) 1995-10-23 1995-11-16 Rescare Limited Ipap duration in bilevel cpap or assisted respiration treatment
US5783821A (en) 1995-11-02 1998-07-21 Costello, Jr.; Leo F. Pulse oximeter testing
US5655519A (en) 1995-11-14 1997-08-12 Alfery; David D. Patient airway bite block
SE9504120D0 (en) 1995-11-16 1995-11-16 Siemens Elema Ab Ventilator for respiratory treatment
SE9504312L (en) 1995-12-01 1996-12-23 Siemens Elema Ab When controlling a breathing apparatus and a breathing apparatus
US5676132A (en) 1995-12-05 1997-10-14 Pulmonary Interface, Inc. Pulmonary interface system
US5931160A (en) 1995-12-08 1999-08-03 Cardiopulmonary Corporation Ventilator control system and method
US6463930B2 (en) 1995-12-08 2002-10-15 James W. Biondi System for automatically weaning a patient from a ventilator, and method thereof
US6158432A (en) 1995-12-08 2000-12-12 Cardiopulmonary Corporation Ventilator control system and method
US6035233A (en) 1995-12-11 2000-03-07 Intermedics Inc. Implantable medical device responsive to heart rate variability analysis
US6148814A (en) 1996-02-08 2000-11-21 Ihc Health Services, Inc Method and system for patient monitoring and respiratory assistance control through mechanical ventilation by the use of deterministic protocols
IL125758A (en) 1996-02-15 2003-07-06 Biosense Inc Medical probes with field transducers
US5832916A (en) 1996-02-20 1998-11-10 Interspiro Ab Method and system for checking the operability of electrical-based components in a breathing equipment
US5740797A (en) 1996-02-23 1998-04-21 University Of Massachusetts Cardiac synchronized ventilation
US6860264B2 (en) 1996-02-26 2005-03-01 Evergreen Medical Incorporated Method and apparatus for endotracheal intubation using a light wand and curved guide
WO1997032619A1 (en) 1996-03-08 1997-09-12 Medisize B.V. Device and process for monitoring the respiration parameters of an artificial respiration system
US5676129A (en) 1996-03-14 1997-10-14 Oneida Research Services, Inc. Dosage counter for metered dose inhaler (MDI) systems using a miniature pressure sensor
FR2746656B1 (en) 1996-03-26 1999-05-28 System Assistance Medical PRESSURE SENSOR NEBULIZER
CA2172929A1 (en) 1996-03-28 1997-09-29 Yoshimi Kano Portable enclosure system and method for providing a suitable breathing environment therein
US5669379A (en) 1996-03-29 1997-09-23 Ohmeda Inc. Waveform display for medical ventilator
US5662099A (en) 1996-03-29 1997-09-02 Ohmeda Inc. Detection of bellows collapsed condition in medical ventilator
US5735267A (en) 1996-03-29 1998-04-07 Ohmeda Inc. Adaptive control system for a medical ventilator
US5762480A (en) 1996-04-16 1998-06-09 Adahan; Carmeli Reciprocating machine
SE9601611D0 (en) 1996-04-26 1996-04-26 Siemens Elema Ab Method for controlling a fan and a fan
US5839430A (en) 1996-04-26 1998-11-24 Cama; Joseph Combination inhaler and peak flow rate meter
US5692497A (en) 1996-05-16 1997-12-02 Children's Medical Center Corporation Microprocessor-controlled ventilator system and methods
US6725447B1 (en) 1996-05-31 2004-04-20 Nellcor Puritan Bennett Incorporated System and method for graphic creation of a medical logical module in the arden syntax file format
SE9602199D0 (en) 1996-06-03 1996-06-03 Siemens Ag ventilator
US5975081A (en) 1996-06-21 1999-11-02 Northrop Grumman Corporation Self-contained transportable life support system
US5944680A (en) 1996-06-26 1999-08-31 Medtronic, Inc. Respiratory effort detection method and apparatus
US5730121A (en) 1996-07-19 1998-03-24 Hawkins, Jr.; Albert D. Emergency air system
US6689091B2 (en) 1996-08-02 2004-02-10 Tuan Bui Medical apparatus with remote control
SE9602913D0 (en) 1996-08-02 1996-08-02 Siemens Elema Ab Fan system and method of operating a fan system
AUPO163896A0 (en) 1996-08-14 1996-09-05 Resmed Limited Determination of respiratory airflow
US5752506A (en) 1996-08-21 1998-05-19 Bunnell Incorporated Ventilator system
DE19638935C1 (en) 1996-09-10 1998-03-26 Fred G Goebel Tracheal tube providing fluid seal
CA2237992C (en) 1996-09-17 2007-11-06 Shlomo Ben Haim Position confirmation with learn and test functions
AUPO247496A0 (en) 1996-09-23 1996-10-17 Resmed Limited Assisted ventilation to match patient respiratory need
US5778874A (en) 1996-10-02 1998-07-14 Thomas Jefferson University Anesthesia machine output monitor
US6168568B1 (en) 1996-10-04 2001-01-02 Karmel Medical Acoustic Technologies Ltd. Phonopneumograph system
US5813401A (en) 1996-10-15 1998-09-29 Radcliff; Janet H. Nebulizer automatic control valve
SE9603841D0 (en) 1996-10-18 1996-10-18 Pacesetter Ab A tissue stimulating apparatus
US5806512A (en) 1996-10-24 1998-09-15 Life Support Technologies, Inc. Cardiac/pulmonary resuscitation method and apparatus
AUPO322396A0 (en) 1996-10-25 1996-11-21 Robinson, Gavin J.B. Dr A method of measuring cardiac output by pulmonary exchange of oxygen and an inert gas with the blood utilising a divided airway
US5865174A (en) 1996-10-29 1999-02-02 The Scott Fetzer Company Supplemental oxygen delivery apparatus and method
DE19648935B4 (en) 1996-11-26 2008-05-15 IMEDOS Intelligente Optische Systeme der Medizin- und Messtechnik GmbH Device and method for the examination of vessels
US5921920A (en) 1996-12-12 1999-07-13 The Trustees Of The University Of Pennsylvania Intensive care information graphical display
AUPO418696A0 (en) 1996-12-12 1997-01-16 Resmed Limited A substance delivery apparatus
US6457472B1 (en) 1996-12-12 2002-10-01 The Johns Hopkins University Method and apparatus for providing ventilatory support to a patient
US5884622A (en) 1996-12-20 1999-03-23 University Of Manitoba Automatic determination of passive elastic and resistive properties of the respiratory system during assisted mechanical ventilation
SE507617C2 (en) 1996-12-20 1998-06-29 Siemens Elema Ab Device intended for use in a fluid treatment respiratory care system
US6322502B1 (en) 1996-12-30 2001-11-27 Imd Soft Ltd. Medical information system
US6341604B1 (en) 1997-01-07 2002-01-29 The Carleigh Rae Corp. Balanced breathing loop compensation resistive alarm system and lung-indexed biased gas addition for any semi-closed circuit breathing apparatus and components and accessories therefor
US6032119A (en) 1997-01-16 2000-02-29 Health Hero Network, Inc. Personalized display of health information
JP2001517108A (en) 1997-01-17 2001-10-02 メッサー オーストリア ゲゼルシャフト ミット ベシュレンクテル ハフツング Controlled gas supply system
US20060155207A1 (en) 1997-01-27 2006-07-13 Lynn Lawrence A System and method for detection of incomplete reciprocation
US9042952B2 (en) 1997-01-27 2015-05-26 Lawrence A. Lynn System and method for automatic detection of a plurality of SPO2 time series pattern types
US8932227B2 (en) 2000-07-28 2015-01-13 Lawrence A. Lynn System and method for CO2 and oximetry integration
US9468378B2 (en) 1997-01-27 2016-10-18 Lawrence A. Lynn Airway instability detection system and method
US5876353A (en) 1997-01-31 1999-03-02 Medtronic, Inc. Impedance monitor for discerning edema through evaluation of respiratory rate
US5957861A (en) 1997-01-31 1999-09-28 Medtronic, Inc. Impedance monitor for discerning edema through evaluation of respiratory rate
US6712762B1 (en) 1997-02-28 2004-03-30 Ors Diagnostic, Llc Personal computer card for collection of real-time biological data
US6159147A (en) 1997-02-28 2000-12-12 Qrs Diagnostics, Llc Personal computer card for collection of real-time biological data
US5827179A (en) 1997-02-28 1998-10-27 Qrs Diagnostic, Llc Personal computer card for collection for real-time biological data
US6224553B1 (en) 1997-03-10 2001-05-01 Robin Medical, Inc. Method and apparatus for the assessment and display of variability in mechanical activity of the heart, and enhancement of ultrasound contrast imaging by variability analysis
US5791339A (en) 1997-03-13 1998-08-11 Nellcor Puritan Bennettt Incorprated Spring piloted safety valve with jet venturi bias
US5826575A (en) 1997-03-13 1998-10-27 Nellcor Puritan Bennett, Incorporated Exhalation condensate collection system for a patient ventilator
US5865168A (en) 1997-03-14 1999-02-02 Nellcor Puritan Bennett Incorporated System and method for transient response and accuracy enhancement for sensors with known transfer characteristics
US5881717A (en) 1997-03-14 1999-03-16 Nellcor Puritan Bennett Incorporated System and method for adjustable disconnection sensitivity for disconnection and occlusion detection in a patient ventilator
US6024089A (en) 1997-03-14 2000-02-15 Nelcor Puritan Bennett Incorporated System and method for setting and displaying ventilator alarms
US5771884A (en) 1997-03-14 1998-06-30 Nellcor Puritan Bennett Incorporated Magnetic exhalation valve with compensation for temperature and patient airway pressure induced changes to the magnetic field
EP0969763B1 (en) 1997-03-17 2008-01-16 Vivometrics, Inc. Method for analyzing breath waveforms as to their neuromuscular respiratory implications
US6026323A (en) 1997-03-20 2000-02-15 Polartechnics Limited Tissue diagnostic system
US5794612A (en) 1997-04-02 1998-08-18 Aeromax Technologies, Inc. MDI device with ultrasound sensor to detect aerosol dispensing
US6055506A (en) 1997-04-25 2000-04-25 Unitron Medical Communications, Inc. Outpatient care data system
US6131571A (en) 1997-04-30 2000-10-17 University Of Florida Ventilation apparatus and anesthesia delivery system
US6125846A (en) 1997-05-16 2000-10-03 Datex-Ohmeda, Inc. Purge system for nitric oxide administration apparatus
WO1998052467A1 (en) 1997-05-16 1998-11-26 Resmed Limited Respiratory-analysis systems
SE513969C2 (en) 1997-05-17 2000-12-04 Draegerwerk Ag Apparatus and method for determining the mechanical properties of the respiratory system
US6273088B1 (en) 1997-06-13 2001-08-14 Sierra Biotechnology Company Lc Ventilator biofeedback for weaning and assistance
US5979440A (en) 1997-06-16 1999-11-09 Sequal Technologies, Inc. Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
CA2621113C (en) 1997-06-17 2011-10-11 Fisher & Paykel Healthcare Limited Respiratory humidification system
US5829441A (en) 1997-06-24 1998-11-03 Nellcor Puritan Bennett Customizable dental device for snoring and sleep apnea treatment
US20070191697A1 (en) 2006-02-10 2007-08-16 Lynn Lawrence A System and method for SPO2 instability detection and quantification
US5924418A (en) 1997-07-18 1999-07-20 Lewis; John E. Rebreather system with depth dependent flow control and optimal PO2 de
AU8660398A (en) 1997-07-22 1999-02-16 Addis E. Mayfield Apparatus and method for language translation between patient and caregiv er, andfor communication with speech deficient patients
US6073110A (en) 1997-07-22 2000-06-06 Siemens Building Technologies, Inc. Activity based equipment scheduling method and system
US6371114B1 (en) 1998-07-24 2002-04-16 Minnesota Innovative Technologies & Instruments Corporation Control device for supplying supplemental respiratory oxygen
US6325785B1 (en) 1997-08-14 2001-12-04 Sherwood Services Ag Sputum trap manifold with nested caps
US5881725A (en) 1997-08-19 1999-03-16 Victor Equipment Company Pneumatic oxygen conserver
US6213120B1 (en) 1997-08-21 2001-04-10 Instrumentarium Corporation Device and method for determining gas volume and volumetric changes in a ventilator
US6135106A (en) 1997-08-22 2000-10-24 Nellcor Puritan-Bennett, Inc. CPAP pressure and flow transducer
US6543449B1 (en) 1997-09-19 2003-04-08 Respironics, Inc. Medical ventilator
US6068602A (en) 1997-09-26 2000-05-30 Ohmeda Inc. Method and apparatus for determining airway resistance and lung compliance
US6106481A (en) 1997-10-01 2000-08-22 Boston Medical Technologies, Inc. Method and apparatus for enhancing patient compliance during inspiration measurements
US6436053B1 (en) 1997-10-01 2002-08-20 Boston Medical Technologies, Inc. Method and apparatus for enhancing patient compliance during inspiration measurements
US6123073A (en) 1997-10-01 2000-09-26 Nellcor Puritan Bennett Switch overlay in a piston ventilator
US6216690B1 (en) 1997-10-15 2001-04-17 Datex-Ohmeda, Inc. Method and apparatus for rapid control of set inspired gas concentration in anesthesia delivery systems
US6099481A (en) 1997-11-03 2000-08-08 Ntc Technology, Inc. Respiratory profile parameter determination method and apparatus
US6109259A (en) 1997-12-10 2000-08-29 Spirit Medical Systems, Inc. Gas supplying and substance suctioning relative to a patients trachea
US6192876B1 (en) 1997-12-12 2001-02-27 Astra Aktiebolag Inhalation apparatus and method
US5810000A (en) 1997-12-22 1998-09-22 Stevens; Erin Endotracheal tube pacifier
US5996580A (en) 1998-01-06 1999-12-07 Brookdale International Systems, Inc. Personal emergency breathing system with locator for supplied air respirators and shock resistant filter mounting
US5937854A (en) 1998-01-06 1999-08-17 Sensormedics Corporation Ventilator pressure optimization method and apparatus
US20050139213A1 (en) 1998-01-14 2005-06-30 Blike George T. Physiological object displays
US6860266B2 (en) 2000-11-03 2005-03-01 Dartmouth-Hitchcock Clinic Physiological object displays
US6743172B1 (en) 1998-01-14 2004-06-01 Alliance Pharmaceutical Corp. System and method for displaying medical process diagrams
US6076523A (en) 1998-01-15 2000-06-20 Nellcor Puritan Bennett Oxygen blending in a piston ventilator
US5918597A (en) 1998-01-15 1999-07-06 Nellcor Puritan Bennett Peep control in a piston ventilator
US6118847A (en) 1998-01-15 2000-09-12 Siemens Medical Systems, Inc. System and method for gated radiotherapy based on physiological inputs
JPH11197248A (en) 1998-01-19 1999-07-27 Nippon Sanso Kk Device and method for monitoring gas consumption for respiration
US6402698B1 (en) 1998-02-05 2002-06-11 James R. Mault Metabolic calorimeter employing respiratory gas analysis
US6109260A (en) 1998-02-18 2000-08-29 Datex-Ohmeda, Inc. Nitric oxide administration device with timed pulse
US6370419B2 (en) 1998-02-20 2002-04-09 University Of Florida Method and apparatus for triggering an event at a desired point in the breathing cycle
US6017315A (en) 1998-02-25 2000-01-25 Respironics, Inc. Patient monitor and method of using same
US6544192B2 (en) 1998-02-25 2003-04-08 Respironics, Inc. Patient monitor and method of using same
US6588423B1 (en) 1998-02-27 2003-07-08 Universite De Montreal Method and device responsive to myoelectrical activity for triggering ventilatory support
US7222054B2 (en) 1998-03-03 2007-05-22 Card Guard Scientific Survival Ltd. Personal ambulatory wireless health monitor
US6421650B1 (en) 1998-03-04 2002-07-16 Goetech Llc Medication monitoring system and apparatus
CA2322193C (en) 1998-03-05 2006-10-24 Batelle Memorial Institute Pulmonary dosing system and method
US6321748B1 (en) 1998-03-10 2001-11-27 Nellcor Puritan Bennett Closed loop control in a piston ventilator
US6196222B1 (en) 1998-03-10 2001-03-06 Instrumentarium Corporation Tracheal gas insufflation delivery system for respiration equipment
US6055981A (en) 1998-03-16 2000-05-02 O-Two Systems International, Inc. Automatic transport ventilator with monitoring alarms
SE9800855D0 (en) 1998-03-16 1998-03-16 Siemens Elema Ab Apparatus for improving gas distribution
US6142150A (en) 1998-03-24 2000-11-07 Nellcor Puritan-Bennett Compliance compensation in volume control ventilator
EP1065974A1 (en) 1998-03-31 2001-01-10 Georges Cornuejols Device for measuring organism condition
SE9801175D0 (en) 1998-04-03 1998-04-03 Innotek Ab Method and apparatus for optimizing mechanical ventilation based on simulation of the ventilation process after studying the physiology of the respiratory organs
US6095140A (en) 1998-04-09 2000-08-01 Massachusetts Institute Of Technology Ventilator triggering device
SE9801427D0 (en) 1998-04-23 1998-04-23 Siemens Elema Ab Method for determining at least one parameter and a breathing apparatus
US6171264B1 (en) 1998-05-15 2001-01-09 Biosys Ab Medical measuring system
US6131572A (en) 1998-05-20 2000-10-17 Instrumentarium Oy Medical dosing device having dosing chamber with a pressure sensor
AUPP366398A0 (en) 1998-05-22 1998-06-18 Resmed Limited Ventilatory assistance for treatment of cardiac failure and cheyne-stokes breathing
AUPP370198A0 (en) 1998-05-25 1998-06-18 Resmed Limited Control of the administration of continuous positive airway pressure treatment
US6283923B1 (en) 1998-05-28 2001-09-04 The Trustees Of Columbia University In The City Of New York System and method for remotely monitoring asthma severity
US6186956B1 (en) 1998-05-28 2001-02-13 University Of South Carolina Method and system for continuously monitoring cardiac output
US6511426B1 (en) 1998-06-02 2003-01-28 Acuson Corporation Medical diagnostic ultrasound system and method for versatile processing
EP1082056B1 (en) 1998-06-03 2007-11-14 Scott Laboratories, Inc. Apparatus for providing a conscious patient relief from pain and anxiety associated with medical or surgical procedures
US7565905B2 (en) 1998-06-03 2009-07-28 Scott Laboratories, Inc. Apparatuses and methods for automatically assessing and monitoring a patient's responsiveness
US6047860A (en) 1998-06-12 2000-04-11 Sanders Technology, Inc. Container system for pressurized fluids
SE9802121D0 (en) 1998-06-15 1998-06-15 Siemens Elema Ab Method for controlling an expiratory valve in a fan
US6260549B1 (en) 1998-06-18 2001-07-17 Clavius Devices, Inc. Breath-activated metered-dose inhaler
SE9802335D0 (en) 1998-06-30 1998-06-30 Siemens Elema Ab Breathing Help System
SE9802568D0 (en) 1998-07-17 1998-07-17 Siemens Elema Ab Anaesthetic delivery system
US6631716B1 (en) 1998-07-17 2003-10-14 The Board Of Trustees Of The Leland Stanford Junior University Dynamic respiratory control
US6199550B1 (en) 1998-08-14 2001-03-13 Bioasyst, L.L.C. Integrated physiologic sensor system
US6257234B1 (en) 1998-08-21 2001-07-10 Respironics, Inc. Apparatus and method for determining respiratory mechanics of a patient and for controlling a ventilator based thereon
SE9802827D0 (en) 1998-08-25 1998-08-25 Siemens Elema Ab ventilator
USRE38533E1 (en) 1998-09-11 2004-06-15 Life Corporation Portable emergency oxygen and automatic external defibrillator (AED) therapy system
US20030062045A1 (en) 1998-09-18 2003-04-03 Respironics, Inc. Medical ventilator
WO2000016839A1 (en) 1998-09-23 2000-03-30 The Johns Hopkins University Emergency life support system
US6155257A (en) 1998-10-07 2000-12-05 Cprx Llc Cardiopulmonary resuscitation ventilator and methods
US6213955B1 (en) 1998-10-08 2001-04-10 Sleep Solutions, Inc. Apparatus and method for breath monitoring
US6343603B1 (en) 1998-10-09 2002-02-05 Fisher & Paykel Limited Connector
US6467479B1 (en) 1998-10-09 2002-10-22 The Brigham And Women's Hospital, Inc. Method and apparatus for delivering a measured of a gas
SE9803508D0 (en) 1998-10-14 1998-10-14 Siemens Elema Ab Assisted Breathing System
US6575164B1 (en) 1998-10-15 2003-06-10 Ntc Technology, Inc. Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
US6152135A (en) 1998-10-23 2000-11-28 Pulmonetic Systems, Inc. Ventilator system
US6230708B1 (en) 1998-10-30 2001-05-15 Sechrist Industries, Inc. Ventilator triggering device
US6158433A (en) 1998-11-06 2000-12-12 Sechrist Industries, Inc. Software for finite state machine driven positive pressure ventilator control system
US6597946B2 (en) 1998-11-09 2003-07-22 Transpharma Ltd. Electronic card for transdermal drug delivery and analyte extraction
US6166544A (en) 1998-11-25 2000-12-26 General Electric Company MR imaging system with interactive image contrast control
US6603494B1 (en) 1998-11-25 2003-08-05 Ge Medical Systems Global Technology Company, Llc Multiple modality interface for imaging systems including remote services over a network
US6279574B1 (en) 1998-12-04 2001-08-28 Bunnell, Incorporated Variable flow and pressure ventilation system
US6397838B1 (en) 1998-12-23 2002-06-04 Battelle Pulmonary Therapeutics, Inc. Pulmonary aerosol delivery device and method
JP3653660B2 (en) 1999-01-11 2005-06-02 富士通株式会社 Network management method and network management system
US6139506A (en) 1999-01-29 2000-10-31 Instrumentarium Oy Method for measuring pulmonary functional residual capacity
US6162183A (en) 1999-02-02 2000-12-19 J&J Engineering Respiration feedback monitor system
US6390091B1 (en) 1999-02-03 2002-05-21 University Of Florida Method and apparatus for controlling a medical ventilator
US6220245B1 (en) 1999-02-03 2001-04-24 Mallinckrodt Inc. Ventilator compressor system having improved dehumidification apparatus
EP1156846A1 (en) 1999-02-03 2001-11-28 University Of Florida Method and apparatus for nullifying the imposed work of breathing
ATE401038T1 (en) 1999-02-03 2008-08-15 Mermaid Care As AUTOMATIC LUNG PARAMETERS ESTIMATION
US6446630B1 (en) 1999-02-11 2002-09-10 Sunrise Medical Hhg Inc Cylinder filling medical oxygen concentrator
FR2789593B1 (en) 1999-05-21 2008-08-22 Mallinckrodt Dev France APPARATUS FOR SUPPLYING AIR PRESSURE TO A PATIENT WITH SLEEP DISORDERS AND METHODS OF CONTROLLING THE SAME
FR2789592A1 (en) 1999-02-12 2000-08-18 Mallinckrodt Dev France APPARATUS FOR PROVIDING AIR PRESSURE TO A PATIENT WITH SLEEP DISORDERS AND ITS CONTROL METHODS
FR2789594A1 (en) 1999-05-21 2000-08-18 Nellcor Puritan Bennett France APPARATUS FOR PROVIDING AIR PRESSURE TO A PATIENT WITH SLEEP DISORDERS AND ITS CONTROL METHODS
US9116544B2 (en) 2008-03-26 2015-08-25 Pierre Bonnat Method and system for interfacing with an electronic device via respiratory and/or tactual input
AU4686899A (en) 1999-02-23 2000-09-14 Medi-Physics, Inc. Portable system for monitoring the polarization level of a hyperpolarized gas during transport
US6223744B1 (en) 1999-03-16 2001-05-01 Multi-Vet Ltd. Wearable aerosol delivery apparatus
US6467477B1 (en) 1999-03-26 2002-10-22 Respironics, Inc. Breath-based control of a therapeutic treatment
US6273444B1 (en) 1999-03-31 2001-08-14 Mallinckrodt Inc. Apparatus for coupling wheelchairs to ventilator carts
US6367475B1 (en) 1999-04-02 2002-04-09 Korr Medical Technologies, Inc. Respiratory flow meter and methods of use
DE50015462D1 (en) 1999-04-07 2009-01-02 Event Medical Ltd VENTILATOR
US6454708B1 (en) 1999-04-15 2002-09-24 Nexan Limited Portable remote patient telemonitoring system using a memory card or smart card
US6416471B1 (en) 1999-04-15 2002-07-09 Nexan Limited Portable remote patient telemonitoring system
US6190326B1 (en) 1999-04-23 2001-02-20 Medtrac Technologies, Inc. Method and apparatus for obtaining patient respiratory data
US6287264B1 (en) 1999-04-23 2001-09-11 The Trustees Of Tufts College System for measuring respiratory function
US6202642B1 (en) 1999-04-23 2001-03-20 Medtrac Technologies, Inc. Electronic monitoring medication apparatus and method
SE9901511D0 (en) 1999-04-27 1999-04-27 Siemens Elema Ab Check valve for anesthetic device
US6467481B1 (en) 1999-04-29 2002-10-22 Vase Technology Stackable filter device
US6748275B2 (en) 1999-05-05 2004-06-08 Respironics, Inc. Vestibular stimulation system and method
AUPQ019899A0 (en) 1999-05-06 1999-06-03 Resmed Limited Control of supplied pressure in assisted ventilation
US6370217B1 (en) 1999-05-07 2002-04-09 General Electric Company Volumetric computed tomography system for cardiac imaging
IL130371A (en) 1999-06-08 2004-06-01 Oridion Medical Ltd Capnography waveform interpreter
SE522908C2 (en) 1999-05-10 2004-03-16 Aneo Ab Arrangements for granting a living being an anesthetic condition
US7294112B1 (en) 1999-05-13 2007-11-13 Colin Dunlop Motion monitoring apparatus
US6920875B1 (en) 1999-06-15 2005-07-26 Respironics, Inc. Average volume ventilation
AU766506B2 (en) 1999-06-18 2003-10-16 Powerlung Inc Pulmonary exercise device
US6515683B1 (en) 1999-06-22 2003-02-04 Siemens Energy And Automation Autoconfiguring graphic interface for controllers having dynamic database structures
WO2001000264A1 (en) 1999-06-30 2001-01-04 University Of Florida Research Foundation, Inc. Ventilator monitor system and method of using same
US20070000494A1 (en) 1999-06-30 2007-01-04 Banner Michael J Ventilator monitor system and method of using same
US6340348B1 (en) 1999-07-02 2002-01-22 Acuson Corporation Contrast agent imaging with destruction pulses in diagnostic medical ultrasound
US6301497B1 (en) 1999-07-12 2001-10-09 Ge Medical Systems Global Technology Company, Llc Method and apparatus for magnetic resonance imaging intersecting slices
SE9902709D0 (en) 1999-07-15 1999-07-15 Siemens Elema Ab Method for controlling an expiratory valve in a fan
US6221011B1 (en) 1999-07-26 2001-04-24 Cardiac Intelligence Corporation System and method for determining a reference baseline of individual patient status for use in an automated collection and analysis patient care system
CA2314517A1 (en) 1999-07-26 2001-01-26 Gust H. Bardy System and method for determining a reference baseline of individual patient status for use in an automated collection and analysis patient care system
US6468222B1 (en) 1999-08-02 2002-10-22 Healthetech, Inc. Metabolic calorimeter employing respiratory gas analysis
US6899684B2 (en) 1999-08-02 2005-05-31 Healthetech, Inc. Method of respiratory gas analysis using a metabolic calorimeter
SE9903192D0 (en) 1999-09-09 1999-09-09 Siemens Elema Ab Procedure for determination of gas content
US6758216B1 (en) 1999-09-15 2004-07-06 Resmed Limited Ventilatory assistance using an external effort sensor
EP1229956B1 (en) 1999-09-15 2007-01-10 Resmed Ltd. Patient-ventilator synchronization using dual phase sensors
US6910480B1 (en) 1999-09-15 2005-06-28 Resmed Ltd. Patient-ventilator synchronization using dual phase sensors
EP1217942A1 (en) 1999-09-24 2002-07-03 Healthetech, Inc. Physiological monitor and associated computation, display and communication unit
US6440082B1 (en) 1999-09-30 2002-08-27 Medtronic Physio-Control Manufacturing Corp. Method and apparatus for using heart sounds to determine the presence of a pulse
US6631717B1 (en) 1999-10-21 2003-10-14 Ntc Technology Inc. Re-breathing apparatus for non-invasive cardiac output, method of operation, and ventilator circuit so equipped
US6557554B1 (en) 1999-10-29 2003-05-06 Suzuki Motor Corporation High-frequency oscillation artificial respiration apparatus
US6921369B1 (en) 1999-11-09 2005-07-26 Cortex Biophysik Gmbh Mobile ergospirometry system
US6581599B1 (en) 1999-11-24 2003-06-24 Sensormedics Corporation Method and apparatus for delivery of inhaled nitric oxide to spontaneous-breathing and mechanically-ventilated patients
US7059324B2 (en) 1999-11-24 2006-06-13 Smiths Medical Asd, Inc. Positive expiratory pressure device with bypass
US6776159B2 (en) 1999-11-24 2004-08-17 Dhd Healthcare Corporation Positive expiratory pressure device with bypass
US7156094B2 (en) 1999-12-01 2007-01-02 Failsafe Air Vest Corporation Breathing apparatus and pressure vessels therefor
SE9904382D0 (en) 1999-12-02 1999-12-02 Siemens Elema Ab High Frequency Oscillation Patient Fan System
US7413546B2 (en) 1999-12-07 2008-08-19 Univeristy Of Utah Research Foundation Method and apparatus for monitoring dynamic cardiovascular function using n-dimensional representations of critical functions
US7654966B2 (en) 1999-12-07 2010-02-02 University Of Utah Research Foundation Method and apparatus for monitoring dynamic cardiovascular function using n-dimensional representatives of critical functions
WO2001042895A1 (en) 1999-12-07 2001-06-14 University Of Utah Research Foundation Method and apparatus for monitoring dynamic systems using n-dimensional representations of critical functions
NO311186B1 (en) 1999-12-13 2001-10-22 Techwood As Valve device for controlled supply of a pressure fluid
DE19960404A1 (en) 1999-12-15 2001-07-05 Messer Austria Gmbh Gumpoldski Expiration-dependent gas metering
US6602191B2 (en) 1999-12-17 2003-08-05 Q-Tec Systems Llp Method and apparatus for health and disease management combining patient data monitoring with wireless internet connectivity
SE9904643D0 (en) 1999-12-17 1999-12-17 Siemens Elema Ab Method for assessing pulmonary stress and a breathing apparatus
GB9929745D0 (en) 1999-12-17 2000-02-09 Secr Defence Determining the efficiency of respirators and protective clothing and other improvements
US6976958B2 (en) 2000-12-15 2005-12-20 Q-Tec Systems Llc Method and apparatus for health and disease management combining patient data monitoring with wireless internet connectivity
DE19961253C1 (en) 1999-12-18 2001-01-18 Draeger Medizintech Gmbh Respiration apparatus has respiration pressure and respiration gas flow measured values used as setting parameters for new respiration pattern upon switching respiration pattern
DE19961206A1 (en) 1999-12-18 2001-07-05 Messer Austria Gmbh Gumpoldski Tidal volume-dependent gas dosing
US6523538B1 (en) 2000-01-05 2003-02-25 Instrumentarium Corp. Breathing circuit having improved water vapor removal
DE20000379U1 (en) 2000-01-11 2000-03-23 Stumpf, Willi, Dipl.-Ing., 69198 Schriesheim Probe
US20020195105A1 (en) 2000-01-13 2002-12-26 Brent Blue Method and apparatus for providing and controlling oxygen supply
US6577884B1 (en) 2000-06-19 2003-06-10 The General Hospital Corporation Detection of stroke events using diffuse optical tomagraphy
US6412482B1 (en) 2000-01-24 2002-07-02 Carl D. Rowe Avalanche survival pack assembly
SE0000205D0 (en) 2000-01-25 2000-01-25 Siemens Elema Ab ventilator
SE0000206D0 (en) 2000-01-25 2000-01-25 Siemens Elema Ab High frequency oscillator fan
US6629934B2 (en) 2000-02-02 2003-10-07 Healthetech, Inc. Indirect calorimeter for medical applications
GB0003839D0 (en) 2000-02-19 2000-04-05 Glaxo Group Ltd Housing for an inhaler
US6540689B1 (en) 2000-02-22 2003-04-01 Ntc Technology, Inc. Methods for accurately, substantially noninvasively determining pulmonary capillary blood flow, cardiac output, and mixed venous carbon dioxide content
US6553992B1 (en) 2000-03-03 2003-04-29 Resmed Ltd. Adjustment of ventilator pressure-time profile to balance comfort and effectiveness
US6630176B2 (en) 2000-03-07 2003-10-07 Mount Sinai School Of Medicine Of New York University Herbal remedies for treating allergies and asthma
US6644312B2 (en) 2000-03-07 2003-11-11 Resmed Limited Determining suitable ventilator settings for patients with alveolar hypoventilation during sleep
US6459933B1 (en) 2000-03-09 2002-10-01 Cprx Llc Remote control arrhythmia analyzer and defibrillator
US20060150982A1 (en) 2003-08-05 2006-07-13 Wood Thomas J Nasal ventilation interface and system
DE10013093B4 (en) 2000-03-17 2005-12-22 Inamed Gmbh Device for the controlled inhalation of therapeutic aerosols
US20010056358A1 (en) 2000-03-24 2001-12-27 Bridge Medical, Inc., Method and apparatus for providing medication administration warnings
US6532956B2 (en) 2000-03-30 2003-03-18 Respironics, Inc. Parameter variation for proportional assist ventilation or proportional positive airway pressure support devices
AU2001254562A1 (en) 2000-04-26 2001-11-12 The University Of Manitoba Method and apparatus for determining respiratory system resistance during assisted ventilation
BR0110596A (en) 2000-05-05 2005-08-02 Hill Rom Services Inc Patient monitoring system, computer system, patient information monitoring system, patient care device, walker device, patient care device, and computer display
US6494201B1 (en) 2000-05-11 2002-12-17 Ralph Welik Portable oxygen dispenser
US20020023640A1 (en) 2000-05-12 2002-02-28 Chris Nightengale Respiratory apparatus including liquid ventilator
US20030034031A1 (en) 2000-05-22 2003-02-20 Sleep Up Ltd. Pacifier and method of use thereof
US6355002B1 (en) 2000-05-22 2002-03-12 Comedica Technologies Incorporated Lung inflection point monitor apparatus and method
US6599252B2 (en) 2000-06-02 2003-07-29 Respironics, Inc. Method and apparatus for anatomical deadspace measurement
US6738079B1 (en) 2000-06-02 2004-05-18 Sun Microsystems, Inc. Graphical user interface layout customizer
US20060122474A1 (en) 2000-06-16 2006-06-08 Bodymedia, Inc. Apparatus for monitoring health, wellness and fitness
WO2001095786A2 (en) 2000-06-16 2001-12-20 Rajiv Doshi Methods and devices for improving breathing in patients with pulmonary disease
US7261690B2 (en) 2000-06-16 2007-08-28 Bodymedia, Inc. Apparatus for monitoring health, wellness and fitness
EP1702560B1 (en) 2000-06-23 2014-11-19 BodyMedia, Inc. System for monitoring health, wellness and fitness
DE10031079A1 (en) 2000-06-30 2002-02-07 Map Gmbh Measuring patient breathing and state, correlates present respiration signals with prior reference measurements, to adjust CPAP therapy pressure accordingly
US6707476B1 (en) 2000-07-05 2004-03-16 Ge Medical Systems Information Technologies, Inc. Automatic layout selection for information monitoring system
US6349724B1 (en) 2000-07-05 2002-02-26 Compumedics Sleep Pty. Ltd. Dual-pressure blower for positive air pressure device
FR2811577B1 (en) 2000-07-11 2003-05-23 Taema INSTALLATION FOR GAS VENTILATION OF A PATIENT
EP1309304A2 (en) 2000-07-14 2003-05-14 Hill-Rom Services, Inc. Pulmonary therapy apparatus
US6650346B1 (en) 2000-07-20 2003-11-18 Ge Medical Technology Services, Inc. Method and apparatus for classifying equipment in asset management database
US6390092B1 (en) 2000-08-07 2002-05-21 Sensormedics Corporation Device and method for using oscillatory pressure ratio as an indicator for lung opening during high frequency oscillatory ventilation
SE0002849D0 (en) 2000-08-08 2000-08-08 Siemens Elema Ab ventilator
US6439229B1 (en) 2000-08-08 2002-08-27 Newport Medical Instruments, Inc. Pressure support ventilation control system and method
US7051736B2 (en) 2000-08-17 2006-05-30 University Of Florida Endotracheal tube pressure monitoring system and method of controlling same
US6450164B1 (en) 2000-08-17 2002-09-17 Michael J. Banner Endotracheal tube pressure monitoring system and method of controlling same
US6533723B1 (en) 2000-08-25 2003-03-18 Ge Marquette Medical Systems, Inc. Multiple-link cable management apparatus
US6516800B1 (en) 2000-08-25 2003-02-11 O-Two Systems International Inc. Neonatal patient ventilator circuit
US6408847B1 (en) 2000-08-29 2002-06-25 Marshall L. Nuckols Rebreather system that supplies fresh make-up gas according to a user's respiratory minute volume
US6435175B1 (en) 2000-08-29 2002-08-20 Sensormedics Corporation Pulmonary drug delivery device
US6557553B1 (en) 2000-09-05 2003-05-06 Mallinckrodt, Inc. Adaptive inverse control of pressure based ventilation
US6858006B2 (en) 2000-09-08 2005-02-22 Wireless Medical, Inc. Cardiopulmonary monitoring
GB0022285D0 (en) 2000-09-09 2000-10-25 Viamed Ltd Breathing aid device
US6752151B2 (en) 2000-09-25 2004-06-22 Respironics, Inc. Method and apparatus for providing variable positive airway pressure
WO2002026287A2 (en) 2000-09-28 2002-04-04 Invacare Corporation Carbon dioxide-based bi-level cpap control
WO2002026112A2 (en) 2000-09-29 2002-04-04 Healthetech, Inc. Indirect calorimetry system
US6644310B1 (en) 2000-09-29 2003-11-11 Mallinckrodt Inc. Apparatus and method for providing a breathing gas employing a bi-level flow generator with an AC synchronous motor
US6546930B1 (en) 2000-09-29 2003-04-15 Mallinckrodt Inc. Bi-level flow generator with manual standard leak adjustment
US6744374B1 (en) 2000-10-02 2004-06-01 Bayerische Motoren Werke Aktiengesellschaft Setting device with rotating actuator and illuminated index display
US6718974B1 (en) 2000-10-06 2004-04-13 Mallinckrodt, Inc. CPAP humidifier having sliding access door
US6626175B2 (en) 2000-10-06 2003-09-30 Respironics, Inc. Medical ventilator triggering and cycling method and mechanism
EP1332463A4 (en) 2000-10-10 2007-08-01 Univ Utah Res Found Method and apparatus for monitoring anesthesia drug dosages, concentrations, and effects using n-dimensional representations of critical functions
US6607481B1 (en) 2000-10-10 2003-08-19 Jeffrey J. Clawson Method and system for an improved entry process of an emergency medical dispatch system
US6622726B1 (en) 2000-10-17 2003-09-23 Newport Medical Instruments, Inc. Breathing apparatus and method
CA2424358A1 (en) 2000-10-19 2002-04-25 Mallinckrodt Inc. Ventilator with dual gas supply
US6357438B1 (en) 2000-10-19 2002-03-19 Mallinckrodt Inc. Implantable sensor for proportional assist ventilation
GB0026646D0 (en) 2000-10-31 2000-12-13 Glaxo Group Ltd Medicament dispenser
US6981947B2 (en) 2002-01-22 2006-01-03 University Of Florida Research Foundation, Inc. Method and apparatus for monitoring respiratory gases during anesthesia
SE0004141D0 (en) 2000-11-13 2000-11-13 Siemens Elema Ab Method of adaptive triggering of breathing devices and a breathing device
US7165221B2 (en) 2000-11-13 2007-01-16 Draeger Medical Systems, Inc. System and method for navigating patient medical information
US7590551B2 (en) 2000-11-17 2009-09-15 Draeger Medical Systems, Inc. System and method for processing patient information
JP2004527022A (en) 2000-11-17 2004-09-02 ドレーガー メディカル システムズ インコーポレイテッド System and method for providing comments to patient medical information
US7039878B2 (en) 2000-11-17 2006-05-02 Draeger Medical Systems, Inc. Apparatus for processing and displaying patient medical information
EP1384136A2 (en) 2000-11-17 2004-01-28 Siemens Medical Solutions USA, Inc. A system and method for processing patient medical information acquired over a plurality of days
US6760610B2 (en) 2000-11-23 2004-07-06 Sentec Ag Sensor and method for measurement of physiological parameters
US6820614B2 (en) 2000-12-02 2004-11-23 The Bonutti 2003 Trust -A Tracheal intubination
US8147419B2 (en) 2000-12-07 2012-04-03 Baruch Shlomo Krauss Automated interpretive medical care system and methodology
US6512938B2 (en) 2000-12-12 2003-01-28 Nelson R. Claure System and method for closed loop controlled inspired oxygen concentration
US6517497B2 (en) 2000-12-13 2003-02-11 Ge Medical Systems Information Technologies, Inc. Method and apparatus for monitoring respiration using signals from a piezoelectric sensor mounted on a substrate
US6539938B2 (en) 2000-12-15 2003-04-01 Dhd Healthcare Corporation Maximum expiratory pressure device
US20050075542A1 (en) 2000-12-27 2005-04-07 Rami Goldreich System and method for automatic monitoring of the health of a user
US6725077B1 (en) 2000-12-29 2004-04-20 Ge Medical Systems Global Technology Company, Llc Apparatus and method for just-in-time localization image acquisition
SE0100064D0 (en) 2001-01-10 2001-01-10 Siemens Elema Ab Anaesthetic filter arrangement
US6801227B2 (en) 2001-01-16 2004-10-05 Siemens Medical Solutions Health Services Inc. System and user interface supporting user navigation and concurrent application operation
US6656129B2 (en) 2001-01-18 2003-12-02 Stephen D. Diehl Flow based incentive spirometer
DE10103973A1 (en) 2001-01-30 2002-08-01 Peter L Kowallik Method and device for monitoring sleep
US7377276B2 (en) 2001-01-31 2008-05-27 United States Of America As Represented By The Secretary Of The Army Automated inhalation toxicology exposure system and method
EP1228779A1 (en) 2001-02-01 2002-08-07 Instrumentarium Corporation Method and apparatus for determining a zero gas flow state in a bidirectional gas flow conduit
US20060195041A1 (en) 2002-05-17 2006-08-31 Lynn Lawrence A Centralized hospital monitoring system for automatically detecting upper airway instability and for preventing and aborting adverse drug reactions
US6725860B2 (en) 2001-02-07 2004-04-27 DRäGER MEDIZINTECHNIK GMBH Monitoring process for metering different gaseous anesthetics
US6571796B2 (en) 2001-02-08 2003-06-03 University Of Florida Tracheal pressure ventilation respiratory system
DE10107765A1 (en) 2001-02-17 2002-08-29 Siemens Ag Process for image processing based on a computed tomography (CT) image of a lung taken using a contrast medium and CT device for carrying out such a process
US6839753B2 (en) 2001-02-23 2005-01-04 Cardiopulmonary Corporation Network monitoring systems for medical devices
SE522948C2 (en) 2001-03-14 2004-03-16 Bjoern Flodin Device for a respirator
US6579511B2 (en) 2001-03-16 2003-06-17 Chung-Yuan Lin Assessment of concentration of inhalational compounds in the brain
US7001340B2 (en) 2001-03-16 2006-02-21 Chung-Yuan Lin Assessment of concentration of inhalational compounds in the brain
US7135001B2 (en) 2001-03-20 2006-11-14 Ric Investments, Llc Rebreathing methods including oscillating, substantially equal rebreathing and nonrebreathing periods
US7040321B2 (en) 2001-03-30 2006-05-09 Microcuff Gmbh Method for controlling a ventilator, and system therefor
FR2823660A1 (en) 2001-04-18 2002-10-25 Pneumopartners Analysis system for respiratory sounds includes sampling and processing module producing sound parameters for comparison with database
JP2004529709A (en) 2001-05-03 2004-09-30 テルズート・テクノロジーズ・インコーポレーテッド Medical wireless monitoring device and system
DE10123749A1 (en) 2001-05-16 2002-12-12 Inamed Gmbh Aerosol delivery device
EP1399209B1 (en) 2001-05-23 2016-08-17 ResMed Limited Ventilator patient synchronization
SE0102221D0 (en) 2001-06-19 2001-06-19 Siemens Elema Ab Method for assessing pulmonary stress and a breathing apparatus
US7246618B2 (en) 2001-06-21 2007-07-24 Nader Maher Habashi Ventilation method and control of a ventilator based on same
US6801802B2 (en) 2001-06-29 2004-10-05 Ge Medical Systems Information Technologies, Inc. System and method for selecting physiological data from a plurality of physiological data sources
US7380210B2 (en) 2001-07-20 2008-05-27 Siemens Building Technologies, Inc. User interface with installment mode
ATE413203T1 (en) 2001-07-30 2008-11-15 Imt Medical Ag VENTILATOR
US6488629B1 (en) 2001-07-31 2002-12-03 Ge Medical Systems Global Technology Company, Llc Ultrasound image acquisition with synchronized reference image
US6834647B2 (en) 2001-08-07 2004-12-28 Datex-Ohmeda, Inc. Remote control and tactile feedback system for medical apparatus
US20030130595A1 (en) 2001-08-13 2003-07-10 Mault James R. Health improvement systems and methods
US20030130567A1 (en) 2002-01-09 2003-07-10 Mault James R. Health-related devices and methods
US6673018B2 (en) 2001-08-31 2004-01-06 Ge Medical Systems Global Technology Company Llc Ultrasonic monitoring system and method
CA2460904C (en) 2001-09-19 2011-03-22 Advent Pharmaceuticals Pty Ltd An inhaler for delivering metered doses of powdered medicament
US6824520B2 (en) 2001-09-21 2004-11-30 Pulmonary Data Services, Inc. Method and apparatus for tracking usage of a respiratory measurement device
SE0103182D0 (en) 2001-09-25 2001-09-25 Siemens Elema Ab Procedure for lung mechanical examination and respiratory system
US6575918B2 (en) 2001-09-27 2003-06-10 Charlotte-Mecklenburg Hospital Non-invasive device and method for the diagnosis of pulmonary vascular occlusions
US7778709B2 (en) 2001-10-01 2010-08-17 Medtronic, Inc. Method and device for using impedance measurements based on electrical energy of the heart
US20050137480A1 (en) 2001-10-01 2005-06-23 Eckhard Alt Remote control of implantable device through medical implant communication service band
KR100624403B1 (en) 2001-10-06 2006-09-15 삼성전자주식회사 Human nervous-system-based emotion synthesizing device and method for the same
US7938114B2 (en) 2001-10-12 2011-05-10 Ric Investments Llc Auto-titration bi-level pressure support system and method of using same
AU2002342050A1 (en) 2001-10-12 2003-04-22 University Of Utah Research Foundation Anesthesia drug monitor
DE10152454B4 (en) 2001-10-19 2005-07-28 Msa Auer Gmbh Regulator for compressed air respirators
US6923079B1 (en) 2001-10-31 2005-08-02 Scott S. Snibbe Recording, transmission and/or playback of data representing an airflow
FR2831824B1 (en) 2001-11-06 2004-01-23 Georges Boussignac DEVICE FOR RESPIRATORY ASSISTANCE
FR2832770B1 (en) 2001-11-27 2004-01-02 Mallinckrodt Dev France CENTRIFUGAL TURBINE FOR BREATHING ASSISTANCE DEVICES
AU2002343193A1 (en) 2001-11-29 2003-06-10 Impulse Dynamics Nv Sensing of pancreatic electrical activity
EP1455878B1 (en) 2001-12-06 2006-03-08 Alaris Medical Systems, Inc. Co2 monitored drug infusion system
US6708688B1 (en) 2001-12-11 2004-03-23 Darren Rubin Metered dosage inhaler system with variable positive pressure settings
GB0130010D0 (en) 2001-12-14 2002-02-06 Isis Innovation Combining measurements from breathing rate sensors
US6543701B1 (en) 2001-12-21 2003-04-08 Tung-Huang Ho Pocket-type ultrasonic atomizer structure
US20030125662A1 (en) 2002-01-03 2003-07-03 Tuan Bui Method and apparatus for providing medical treatment therapy based on calculated demand
AU2003210541A1 (en) 2002-01-09 2003-07-30 Healthetech, Inc. Health improvement systems and methods
WO2003059425A1 (en) 2002-01-09 2003-07-24 The Brigham And Women's Hospital, Inc. Method for altering the body temperature of a patient using a nebulized mist
US20040073453A1 (en) 2002-01-10 2004-04-15 Nenov Valeriy I. Method and system for dispensing communication devices to provide access to patient-related information
US20070167853A1 (en) 2002-01-22 2007-07-19 Melker Richard J System and method for monitoring health using exhaled breath
US7046254B2 (en) 2002-01-28 2006-05-16 International Business Machines Corporation Displaying transparent resource aids
US20030141368A1 (en) 2002-01-29 2003-07-31 Florante Pascual System and method for obtaining information from a bar code for use with a healthcare system
US20030144878A1 (en) 2002-01-29 2003-07-31 Wilkes Gordon J. System and method for providing multiple units of measure
US20030204414A1 (en) 2002-04-30 2003-10-30 Wilkes Gordon J. System and method for facilitating patient care and treatment
US20030140929A1 (en) 2002-01-29 2003-07-31 Wilkes Gordon J. Infusion therapy bar coding system and method
US20030204419A1 (en) 2002-04-30 2003-10-30 Wilkes Gordon J. Automated messaging center system and method for use with a healthcare system
US20030204420A1 (en) 2002-04-30 2003-10-30 Wilkes Gordon J. Healthcare database management offline backup and synchronization system and method
US8489427B2 (en) 2002-01-29 2013-07-16 Baxter International Inc. Wireless medical data communication system and method
US20030141981A1 (en) 2002-01-29 2003-07-31 Tuan Bui System and method for operating medical devices
US8775196B2 (en) 2002-01-29 2014-07-08 Baxter International Inc. System and method for notification and escalation of medical data
US20030144880A1 (en) 2002-01-29 2003-07-31 Kaivan Talachian Method and program for creating healthcare facility order types
US20030144882A1 (en) 2002-01-29 2003-07-31 Kaivan Talachian Method and program for providing a maximum concentration of a drug additive in a solution
US7698156B2 (en) 2002-01-29 2010-04-13 Baxter International Inc. System and method for identifying data streams associated with medical equipment
US20040010425A1 (en) 2002-01-29 2004-01-15 Wilkes Gordon J. System and method for integrating clinical documentation with the point of care treatment of a patient
US20030144881A1 (en) 2002-01-29 2003-07-31 Kaivan Talachian Method and program for identifying multiple diluent solutions for use in drug delivery with a healthcare system
US20030140928A1 (en) 2002-01-29 2003-07-31 Tuan Bui Medical treatment verification system and method
EP1485188A4 (en) 2002-01-31 2005-04-06 Airsep Corp Portable oxygen concentrator
US20040122294A1 (en) 2002-12-18 2004-06-24 John Hatlestad Advanced patient management with environmental data
ATE354394T1 (en) 2002-03-08 2007-03-15 Kaerys S A AIR SUPPORT APPARATUS FOR RAPID INCREASE AND DECREASING PRESSURE DURING A PATIENT'S BREATH
US7438073B2 (en) 2002-03-08 2008-10-21 Kaerys S.A. Air assistance apparatus for computing the airflow provided by only means of pressure sensors
US7448383B2 (en) 2002-03-08 2008-11-11 Kaerys, S.A. Air assistance apparatus providing fast rise and fall of pressure within one patient's breath
CA2480182C (en) 2002-03-27 2008-02-05 Nellcor Puritan Bennett Incorporated Infrared touchframe system
CA2379353C (en) 2002-03-28 2012-07-31 Joseph Fisher A new method for continuous measurement of flux of gases in the lungs during breathing
US6752772B2 (en) 2002-04-03 2004-06-22 Rocky Kahn Manipulation device with dynamic intensity control
US7182083B2 (en) 2002-04-03 2007-02-27 Koninklijke Philips Electronics N.V. CT integrated respiratory monitor
US7094208B2 (en) 2002-04-03 2006-08-22 Illinois Institute Of Technology Spirometer
US20030208465A1 (en) 2002-04-12 2003-11-06 Respironics, Inc. Method for managing medical information and medical information management system
DE10217762C1 (en) 2002-04-20 2003-04-10 Draeger Medical Ag Respiration gas supply control method for artificial respirator compares actual respiration path pressure with intial respiration path pressure for regulation of respiration gas supply parameter
US6830046B2 (en) 2002-04-29 2004-12-14 Hewlett-Packard Development Company, L.P. Metered dose inhaler
US20050065817A1 (en) 2002-04-30 2005-03-24 Mihai Dan M. Separation of validated information and functions in a healthcare system
US20040167465A1 (en) 2002-04-30 2004-08-26 Mihai Dan M. System and method for medical device authentication
US20040172301A1 (en) 2002-04-30 2004-09-02 Mihai Dan M. Remote multi-purpose user interface for a healthcare system
US20040167804A1 (en) 2002-04-30 2004-08-26 Simpson Thomas L.C. Medical data communication notification and messaging system and method
US20040176667A1 (en) 2002-04-30 2004-09-09 Mihai Dan M. Method and system for medical device connectivity
US8234128B2 (en) 2002-04-30 2012-07-31 Baxter International, Inc. System and method for verifying medical device operational parameters
US20030201697A1 (en) 2002-04-30 2003-10-30 Richardson William R. Storage device for health care facility
US20030204416A1 (en) 2002-04-30 2003-10-30 Sayeh Radpay System and method for facilitating time-based infusion orders
US20030222548A1 (en) 2002-05-31 2003-12-04 Richardson William R. Storage device for health care facility
US20050055242A1 (en) 2002-04-30 2005-03-10 Bryan Bello System and method for medical data tracking, analysis and reporting for healthcare system
US20040172300A1 (en) 2002-04-30 2004-09-02 Mihai Dan M. Method and system for integrating data flows
DE10221642B4 (en) 2002-05-15 2009-10-08 Siemens Ag Method and control device for controlling a tomographic image recording device
US7128578B2 (en) 2002-05-29 2006-10-31 University Of Florida Research Foundation, Inc. Interactive simulation of a pneumatic system
US20040078231A1 (en) 2002-05-31 2004-04-22 Wilkes Gordon J. System and method for facilitating and administering treatment to a patient, including clinical decision making, order workflow and integration of clinical documentation
GB2389290B (en) 2002-05-31 2005-11-23 Qinetiq Ltd Data analysis system
SE0201854D0 (en) 2002-06-18 2002-06-18 Siemens Elema Ab Medical ventilation
US6899101B2 (en) 2002-06-24 2005-05-31 Survivair Respirators, Inc. Logical display for a breathing apparatus mask
ATE439157T1 (en) 2002-06-27 2009-08-15 Yrt Ltd DEVICE FOR MONITORING AND IMPROVING THE INTERACTION BETWEEN PATIENT AND VENTILATOR
DE10230165A1 (en) 2002-07-04 2004-01-15 Ino Therapeutics Gmbh Method and device for the administration of carbon monoxide
US20040059604A1 (en) 2002-07-29 2004-03-25 Zaleski John R. Patient medical parameter acquisition and distribution system
DE10234923A1 (en) 2002-07-31 2004-02-19 BSH Bosch und Siemens Hausgeräte GmbH Rotary selector switch for controlling different program sequences of electrical appliance has rotatable operating element and cooperating magnetic field sensor providing angular position codings
EP1575438A4 (en) 2002-08-08 2011-03-23 Scott Lab Inc Resuscitation kit system and method and pre-use protocols for a sedation and analgesia system
EP1538970B1 (en) 2002-08-09 2020-06-17 Intercure Ltd. Generalized metronome for modification of biorhythmic activity
US20050288571A1 (en) 2002-08-20 2005-12-29 Welch Allyn, Inc. Mobile medical workstation
US7089930B2 (en) 2002-08-20 2006-08-15 Audiopack Technologies, Inc. Wireless heads-up display for a self-contained breathing apparatus
US7080646B2 (en) 2002-08-26 2006-07-25 Sekos, Inc. Self-contained micromechanical ventilator
US7721736B2 (en) 2002-08-26 2010-05-25 Automedx, Inc. Self-contained micromechanical ventilator
US7223965B2 (en) 2002-08-29 2007-05-29 Siemens Energy & Automation, Inc. Method, system, and device for optimizing an FTMS variable
US6822223B2 (en) 2002-08-29 2004-11-23 Siemens Energy & Automation, Inc. Method, system and device for performing quantitative analysis using an FTMS
US7891353B2 (en) 2002-08-29 2011-02-22 Resmed Paris Breathing assistance device with several secure respirator modes and associated method
US7425201B2 (en) 2002-08-30 2008-09-16 University Of Florida Research Foundation, Inc. Method and apparatus for predicting work of breathing
US7294105B1 (en) 2002-09-03 2007-11-13 Cheetah Omni, Llc System and method for a wireless medical communication system
US7682312B2 (en) 2002-09-20 2010-03-23 Advanced Circulatory Systems, Inc. System for sensing, diagnosing and treating physiological conditions and methods
US7322352B2 (en) 2002-09-21 2008-01-29 Aventis Pharma Limited Inhaler
JP4975249B2 (en) 2002-10-09 2012-07-11 ボディーメディア インコーポレイテッド Device for measuring an individual's state parameters using physiological information and / or context parameters
KR20050072435A (en) 2002-10-09 2005-07-11 컴퓨메딕스 리미티드 Method and apparatus for maintaining and monitoring sleep quality during therapeutic treatments
AU2002951984A0 (en) 2002-10-10 2002-10-31 Compumedics Limited Sleep quality and auto cpap awakening
AU2003277435A1 (en) 2002-10-11 2004-05-04 The Regents Of The University Of California Bymixer apparatus and method for fast-response, adjustable measurement of mixed gas fractions in ventilation circuits
US20060201507A1 (en) 2002-10-11 2006-09-14 The Regents Of The University Of California Stand-alone circle circuit with co2 absorption and sensitive spirometry for measurement of pulmonary uptake
DE10248590B4 (en) 2002-10-17 2016-10-27 Resmed R&D Germany Gmbh Method and device for carrying out a signal-processing observation of a measurement signal associated with the respiratory activity of a person
US7089927B2 (en) 2002-10-23 2006-08-15 New York University System and method for guidance of anesthesia, analgesia and amnesia
GB0226522D0 (en) 2002-11-14 2002-12-18 Nutren Technology Ltd Improvements in and relating to breath measurement
SE0203431D0 (en) 2002-11-20 2002-11-20 Siemens Elema Ab Method for assessing pulmonary stress and a breathing apparatus
GB0227109D0 (en) 2002-11-20 2002-12-24 Air Prod & Chem Volume flow controller
SE0203430D0 (en) 2002-11-20 2002-11-20 Siemens Elema Ab Anesthesia apparatus
CA2506677A1 (en) 2002-11-26 2004-06-10 Vasogen Ireland Limited Medical treatment control system
US7116810B2 (en) 2002-11-27 2006-10-03 General Electric Company Method and system for airway measurement
WO2004049912A2 (en) 2002-12-02 2004-06-17 Scott Laboratories, Inc. Respiratory monitoring systems and methods
US7252640B2 (en) 2002-12-04 2007-08-07 Cardiac Pacemakers, Inc. Detection of disordered breathing
US7490085B2 (en) 2002-12-18 2009-02-10 Ge Medical Systems Global Technology Company, Llc Computer-assisted data processing system and method incorporating automated learning
US7187790B2 (en) 2002-12-18 2007-03-06 Ge Medical Systems Global Technology Company, Llc Data processing and feedback method and system
US6951541B2 (en) 2002-12-20 2005-10-04 Koninklijke Philips Electronics, N.V. Medical imaging device with digital audio capture capability
GB2396426B (en) 2002-12-21 2005-08-24 Draeger Medical Ag Artificial respiration system
CN1767785B (en) 2003-01-30 2015-08-26 康普麦迪克斯有限公司 For the algorithm of automatic positive air pressure titration
US7464339B2 (en) 2003-01-31 2008-12-09 Siemens Building Technologies, Inc. Method and device for upgrading a building control system
US6956572B2 (en) 2003-02-10 2005-10-18 Siemens Medical Solutions Health Services Corporation Patient medical parameter user interface system
US6954702B2 (en) 2003-02-21 2005-10-11 Ric Investments, Inc. Gas monitoring system and sidestream gas measurement system adapted to communicate with a mainstream gas measurement system
DK1599740T3 (en) 2003-02-26 2009-06-08 Medi Physics Inc MRI / NMR compatible valves for delivering hyperpolarized gas to fans and associated gas delivery methods
US7331340B2 (en) 2003-03-04 2008-02-19 Ivax Corporation Medicament dispensing device with a display indicative of the state of an internal medicament reservoir
WO2004079554A2 (en) 2003-03-05 2004-09-16 University Of Florida Managing critical care physiologic data using data synthesis technology (dst)
AU2003901042A0 (en) 2003-03-07 2003-03-20 Resmed Limited Back-up rate for a ventilator
US7300418B2 (en) 2003-03-10 2007-11-27 Siemens Medical Solutions Health Services Corporation Healthcare system supporting multiple network connected fluid administration pumps
WO2004080516A1 (en) 2003-03-14 2004-09-23 Yrt Limited Improved synchrony between end of ventilator cycles and end of patient efforts during assisted ventilation
US6932767B2 (en) 2003-03-20 2005-08-23 Siemens Medical Solutions Usa, Inc. Diagnostic medical ultrasound system having a pipes and filters architecture
US8292811B2 (en) 2003-03-20 2012-10-23 Siemens Medical Solutions Usa, Inc. Advanced application framework system and method for use with a diagnostic medical ultrasound streaming application
US6733449B1 (en) 2003-03-20 2004-05-11 Siemens Medical Solutions Usa, Inc. System and method for real-time streaming of ultrasound data to a diagnostic medical ultrasound streaming application
JP4591443B2 (en) 2003-03-24 2010-12-01 レスメ・パリ Respiratory device
US20040187864A1 (en) 2003-03-24 2004-09-30 Cindet, Llc Inhalation device and method
FR2852854B1 (en) 2003-03-26 2005-10-07 Taema PORTABLE EMERGENCY VENTILATION ASSEMBLY
US6910481B2 (en) 2003-03-28 2005-06-28 Ric Investments, Inc. Pressure support compliance monitoring system
US6947780B2 (en) 2003-03-31 2005-09-20 Dolphin Medical, Inc. Auditory alarms for physiological data monitoring
US7047092B2 (en) 2003-04-08 2006-05-16 Coraccess Systems Home automation contextual user interface
US7694682B2 (en) 2003-04-11 2010-04-13 Ambu A/S Laryngeal mask and a method manufacturing same
US20040150525A1 (en) 2003-04-15 2004-08-05 Wilson E. Jane Material tracking, monitoring and management systems and methods
US6828910B2 (en) 2003-04-16 2004-12-07 Ge Medical Systems Information Technologies, Inc. Apparatus for monitoring gas concentrations
WO2004095179A2 (en) 2003-04-18 2004-11-04 Medical Interactive Corporation Integrated point-of-care systems and methods
US7275540B2 (en) 2003-04-22 2007-10-02 Medi-Physics, Inc. MRI/NMR-compatible, tidal volume control and measurement systems, methods, and devices for respiratory and hyperpolarized gas delivery
US8082921B2 (en) 2003-04-25 2011-12-27 Anthony David Wondka Methods, systems and devices for desufflating a lung area
US6874502B1 (en) 2003-05-02 2005-04-05 Ramses Nashed Breathing circuit disconnect warning system and method for using a disconnect system
US20040224293A1 (en) 2003-05-08 2004-11-11 3M Innovative Properties Company Worker specific health and safety training
US7226427B2 (en) 2003-05-12 2007-06-05 Jolife Ab Systems and procedures for treating cardiac arrest
EP1477199A1 (en) 2003-05-15 2004-11-17 Azienda Ospedaliera Pisana Apparatus for non-invasive mechanical ventilation
US7311665B2 (en) 2003-05-19 2007-12-25 Alcohol Monitoring Systems, Inc. Bio-information sensor monitoring system and method
GB0311461D0 (en) 2003-05-19 2003-06-25 Glaxo Group Ltd Display system
EP1631357B1 (en) 2003-05-22 2010-06-30 Andair AG Ventilation system providing nbc protection
US7362341B2 (en) 2003-06-02 2008-04-22 Microsoft Corporation System and method for customizing the visual layout of screen display areas
US7282032B2 (en) 2003-06-03 2007-10-16 Miller Thomas P Portable respiratory diagnostic device
US7717112B2 (en) 2003-06-04 2010-05-18 Jianguo Sun Positive airway pressure therapy management module
CA2470217A1 (en) 2003-06-06 2004-12-06 Ameriflo, Inc. Lighted fluid flow indication apparatus
US7228323B2 (en) 2003-06-10 2007-06-05 Siemens Aktiengesellschaft HIS data compression
US7367955B2 (en) 2003-06-13 2008-05-06 Wisconsin Alumni Research Foundation Combined laser spirometer motion tracking system for radiotherapy
SE0301767D0 (en) 2003-06-18 2003-06-18 Siemens Elema Ab User interface for a medical ventilator
US7588033B2 (en) 2003-06-18 2009-09-15 Breathe Technologies, Inc. Methods, systems and devices for improving ventilation in a lung area
US7559326B2 (en) 2003-06-18 2009-07-14 Resmed Limited Vent and/or diverter assembly for use in breathing apparatus
AU2003903139A0 (en) 2003-06-20 2003-07-03 Resmed Limited Breathable gas apparatus with humidifier
AU2003903138A0 (en) 2003-06-20 2003-07-03 Resmed Limited Method and apparatus for improving the comfort of cpap
AU2004203173A1 (en) 2003-07-14 2005-02-03 Sunnybrook And Women's College And Health Sciences Centre Optical image-based position tracking for magnetic resonance imaging
US20050055244A1 (en) 2003-07-18 2005-03-10 Janet Mullan Wireless medical communication system and method
ITFI20030071U1 (en) 2003-07-25 2005-01-26 Cressi Sub Spa CLOSING DEVICE FOR A SECONDARY VALVE FOR A LOOPER
FR2858236B1 (en) 2003-07-29 2006-04-28 Airox DEVICE AND METHOD FOR SUPPLYING RESPIRATORY GAS IN PRESSURE OR VOLUME
US20050027252A1 (en) 2003-07-31 2005-02-03 Alexander Boukas Fluid removal apparatus for patient treatment
JP2007501074A (en) 2003-08-04 2007-01-25 パルモネティック システムズ インコーポレイテッド Portable ventilator system
US8156937B2 (en) 2003-08-04 2012-04-17 Carefusion 203, Inc. Portable ventilator system
US8118024B2 (en) 2003-08-04 2012-02-21 Carefusion 203, Inc. Mechanical ventilation system utilizing bias valve
US7527053B2 (en) 2003-08-04 2009-05-05 Cardinal Health 203, Inc. Method and apparatus for attenuating compressor noise
US20050112013A1 (en) 2003-08-04 2005-05-26 Pulmonetic Systems, Inc. Method and apparatus for reducing noise in a roots-type blower
AU2003904278A0 (en) 2003-08-13 2003-08-28 Thomas J. Borody Improved oral oxygenating device
US6988994B2 (en) 2003-08-14 2006-01-24 New York University Positive airway pressure system and method for treatment of sleeping disorder in patient
EP1661595B1 (en) 2003-08-14 2019-04-10 Teijin Pharma Limited Oxygen enrichment device
US7678061B2 (en) 2003-09-18 2010-03-16 Cardiac Pacemakers, Inc. System and method for characterizing patient respiration
US7572225B2 (en) 2003-09-18 2009-08-11 Cardiac Pacemakers, Inc. Sleep logbook
US7967756B2 (en) 2003-09-18 2011-06-28 Cardiac Pacemakers, Inc. Respiratory therapy control based on cardiac cycle
US20070185390A1 (en) 2003-08-19 2007-08-09 Welch Allyn, Inc. Information workflow for a medical diagnostic workstation
US6931269B2 (en) 2003-08-27 2005-08-16 Datex-Ohmeda, Inc. Multi-domain motion estimation and plethysmographic recognition using fuzzy neural-nets
US7172557B1 (en) 2003-08-29 2007-02-06 Caldyne, Inc. Spirometer, display and method
US7241269B2 (en) 2003-09-02 2007-07-10 Respiratory Management Technology Apparatus and method for delivery of an aerosol
EP2856939B1 (en) 2003-09-03 2017-07-26 ResMed R&D Germany GmbH Method for observing sleep-related breathing disorders
WO2005024729A1 (en) 2003-09-04 2005-03-17 Philips Intellectual Property & Standards Gmbh Device and method for displaying ultrasound images of a vessel
US6860265B1 (en) 2003-09-08 2005-03-01 J.H. Emerson Company Insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase
US7169112B2 (en) 2003-09-10 2007-01-30 The United States Of America As Represented By The Secretary Of The Army Non-contact respiration monitor
US8011367B2 (en) 2003-09-11 2011-09-06 Advanced Circulatory Systems, Inc. CPR devices and methods utilizing a continuous supply of respiratory gases
US7549421B2 (en) 2003-09-17 2009-06-23 Datex-Ohmeda Inc. Method and system for integrating ventilator and medical device activities
US7343917B2 (en) 2003-09-22 2008-03-18 Resmed Limited Clear cycle for ventilation device
US7191780B2 (en) 2003-09-22 2007-03-20 Comedica Incorporated Continuous high-frequency oscillation breathing treatment apparatus
US20050108057A1 (en) 2003-09-24 2005-05-19 Michal Cohen Medical device management system including a clinical system interface
US8000978B2 (en) 2003-10-06 2011-08-16 Cerner Innovation, Inc. System and method for automatically generating evidence-based assignment of care providers to patients
US20060149589A1 (en) 2005-01-03 2006-07-06 Cerner Innovation, Inc. System and method for clinical workforce management interface
US8467876B2 (en) 2003-10-15 2013-06-18 Rmx, Llc Breathing disorder detection and therapy delivery device and method
US8244358B2 (en) 2003-10-15 2012-08-14 Rmx, Llc Device and method for treating obstructive sleep apnea
US7496400B2 (en) 2003-10-17 2009-02-24 Ge Healthcare Finland Oy Sensor arrangement
EP2639723A1 (en) 2003-10-20 2013-09-18 Zoll Medical Corporation Portable medical information device with dynamically configurable user interface
WO2005039679A1 (en) 2003-10-23 2005-05-06 Maquet Critical Care Ab Combined positive and negative pressure assist ventilation
US20050098179A1 (en) 2003-11-06 2005-05-12 Steve Burton Multi-level positive air pressure method and delivery apparatus
JP2007521849A (en) 2003-11-12 2007-08-09 ドレーガー メディカル システムズ インコーポレイテッド Modular medical care system
US20050124866A1 (en) 2003-11-12 2005-06-09 Joseph Elaz Healthcare processing device and display system
WO2005050523A2 (en) 2003-11-13 2005-06-02 Draeger Medical Systems, Inc A processing device and display system
US7552731B2 (en) 2003-11-14 2009-06-30 Remcore, Inc. Remote control gas regulation system
US8464709B2 (en) 2003-11-17 2013-06-18 Lowell R. Wedemeyer Cheek path airway and cheek pouch anchor
US7802571B2 (en) 2003-11-21 2010-09-28 Tehrani Fleur T Method and apparatus for controlling a ventilator
EP2208504B1 (en) 2003-11-26 2012-12-26 ResMed Limited Apparatus for the systemic control of ventilatory support in the presence of respiratory insufficiency
US7452333B2 (en) 2003-12-05 2008-11-18 Edwards Lifesciences Corporation Arterial pressure-based, automatic determination of a cardiovascular parameter
WO2005056087A1 (en) 2003-12-05 2005-06-23 Cardinal Health 303, Inc. Patient-controlled analgesia with patient monitoring system
US7422562B2 (en) 2003-12-05 2008-09-09 Edwards Lifesciences Real-time measurement of ventricular stroke volume variations by continuous arterial pulse contour analysis
US7220230B2 (en) 2003-12-05 2007-05-22 Edwards Lifesciences Corporation Pressure-based system and method for determining cardiac stroke volume
TWM262202U (en) 2003-12-12 2005-04-21 Shang-Lung Huang Emergency auxiliary breather pipe for use during fire
US7100530B2 (en) 2003-12-15 2006-09-05 Trudell Medical International, Inc. Dose indicating device
US6997185B2 (en) 2003-12-17 2006-02-14 Tai-Kang Han Adjustable auxiliary apparatus of stable air conditioning for human respiratory system
GB0329297D0 (en) 2003-12-18 2004-01-21 Smiths Group Plc Gas-treatment devices
KR100575153B1 (en) 2004-01-19 2006-04-28 삼성전자주식회사 Display system
US7771364B2 (en) 2004-01-27 2010-08-10 Spirocor Ltd. Method and system for cardiovascular system diagnosis
WO2005069740A2 (en) 2004-01-27 2005-08-04 Cardiometer Ltd. Method and system for cardiovascular system diagnosis
US20080045844A1 (en) 2004-01-27 2008-02-21 Ronen Arbel Method and system for cardiovascular system diagnosis
US7347204B1 (en) 2004-01-29 2008-03-25 Total Safety Us, Inc. Breathing air system for a facility
US20050171876A1 (en) 2004-02-02 2005-08-04 Patrick Golden Wireless asset management system
US7033323B2 (en) 2004-02-04 2006-04-25 Deepbreeze Ltd. Method and system for analyzing respiratory tract air flow
US7314451B2 (en) 2005-04-25 2008-01-01 Earlysense Ltd. Techniques for prediction and monitoring of clinical episodes
US20060080140A1 (en) 2004-02-09 2006-04-13 Epic Systems Corporation System and method for providing a clinical summary of patient information in various health care settings
CA2555807A1 (en) 2004-02-12 2005-08-25 Biopeak Corporation Non-invasive method and apparatus for determining a physiological parameter
US20070276439A1 (en) 2004-03-16 2007-11-29 Medtronic, Inc. Collecting sleep quality information via a medical device
US8725244B2 (en) 2004-03-16 2014-05-13 Medtronic, Inc. Determination of sleep quality for neurological disorders
US20050215904A1 (en) 2004-03-23 2005-09-29 Siemens Medical Solutions Usa, Inc. Ultrasound breathing waveform detection system and method
US7548833B2 (en) 2004-03-25 2009-06-16 Siemens Building Technologies, Inc. Method and apparatus for graphical display of a condition in a building system with a mobile display unit
US7383148B2 (en) 2004-03-25 2008-06-03 Siemens Building Technologies, Inc. Method and apparatus for graphically displaying a building system
US7512450B2 (en) 2004-03-25 2009-03-31 Siemens Building Technologies, Inc. Method and apparatus for generating a building system model
CN1956745B (en) 2004-04-20 2012-02-22 亚罗擎公司 Aerosol delivery apparatus for pressure-assisted breathing systems
DE102004025200A1 (en) 2004-05-22 2005-12-22 Weinmann Geräte für Medizin GmbH & Co. KG Device for detecting the severity of a disease and method for controlling a detection device
US20050263152A1 (en) 2004-05-26 2005-12-01 Walter Fong Method for treating sleep apnea and snoring
US7308550B2 (en) 2004-06-08 2007-12-11 Siemens Energy & Automation, Inc. System for portable PLC configurations
US7512593B2 (en) 2004-06-08 2009-03-31 Siemens Energy & Automation, Inc. System for searching across a PLC network
US7310720B2 (en) 2004-06-08 2007-12-18 Siemens Energy & Automation, Inc. Method for portable PLC configurations
US9492084B2 (en) 2004-06-18 2016-11-15 Adidas Ag Systems and methods for monitoring subjects in potential physiological distress
WO2006009830A2 (en) 2004-06-18 2006-01-26 Vivometrics Inc. Systems and methods for real-time physiological monitoring
ES2477641T3 (en) 2004-06-23 2014-07-17 Resmed Limited Methods and devices with improved support cycle change due to improved ventilation
EP1765442B1 (en) 2004-06-24 2017-08-02 Convergent Engineering, Inc. APPARATUS FOR NON-INVASIVE PREDICTION OF INTRINSIC POSITIVE END-EXPIRATORY PRESSURE (PEEPi) IN PATIENTS RECEIVING VENTILATORY SUPPORT
US20050284469A1 (en) 2004-06-25 2005-12-29 Tobia Ronald L Integrated control of ventilator and nebulizer operation
JP3839839B2 (en) 2004-06-25 2006-11-01 株式会社セブンスディメンジョンデザイン Medical image management system and medical image management method
US7164972B2 (en) 2004-06-28 2007-01-16 Siemens Building Technologies, Inc. Method and apparatus for representing a building system
US8910632B2 (en) 2004-07-08 2014-12-16 Breas Medical, Ab Energy trigger
WO2006005432A1 (en) 2004-07-08 2006-01-19 Breas Medical Ab Delta flow pressure regulation
US20060011195A1 (en) 2004-07-14 2006-01-19 Ric Investments, Llc. Method and apparatus for non-rebreathing positive airway pressure ventilation
JP2008507316A (en) 2004-07-23 2008-03-13 インターキュア リミティド Apparatus and method for respiratory pattern determination using a non-contact microphone
DE102004036879B3 (en) 2004-07-29 2005-07-21 Dräger Medical AG & Co. KGaA Controlling apparatus for respiration or anaesthesia using combined input and display unit, includes rotary-selector press-switch for entry of settings and acknowledgment
DE102004039711B3 (en) 2004-08-17 2006-05-11 Dräger Medical AG & Co. KG Method for automatic recording of pressure-volume curves in artificial respiration and apparatus for carrying out the method
US7387610B2 (en) 2004-08-19 2008-06-17 Cardiac Pacemakers, Inc. Thoracic impedance detection with blood resistivity compensation
CA2578615A1 (en) 2004-08-20 2007-01-04 University Of Virginia Patent Foundation Exhaled breath condensate collection and assay system and related method thereof
US20060047202A1 (en) 2004-09-02 2006-03-02 Elliott Stephen B Method and system of breathing therapy for reducing sympathetic predominance with consequent positive modification of hypertension
NZ587821A (en) 2004-09-03 2012-03-30 Resmed Ltd Servoventilator where the ventilation is gradually increased to a target value
US7469698B1 (en) 2004-09-14 2008-12-30 Winthrop De Childers Parameter optimization in sleep apnea treatment apparatus
FR2875138B1 (en) 2004-09-15 2008-07-11 Mallinckrodt Dev France Sa CONTROL METHOD FOR A HEATING HUMIDIFIER
US20060060198A1 (en) 2004-09-17 2006-03-23 Acoba, Llc Method and system of scoring sleep disordered breathing
US7543582B2 (en) 2004-09-20 2009-06-09 Trudell Medical International Dose indicating device with display elements attached to container
US7487773B2 (en) 2004-09-24 2009-02-10 Nellcor Puritan Bennett Llc Gas flow control method in a blower based ventilation system
US7717110B2 (en) 2004-10-01 2010-05-18 Ric Investments, Llc Method and apparatus for treating Cheyne-Stokes respiration
NZ589369A (en) 2004-10-06 2012-03-30 Resmed Ltd Using oximeter and airflow signals to process two signals and with further processor to generate results based on the two signals
EP1645983A1 (en) 2004-10-08 2006-04-12 Draeger Medical Systems, Inc. Medical data acquisition system
US20060078867A1 (en) 2004-10-08 2006-04-13 Mark Penny System supporting acquisition and processing of user entered information
DE102004050717B8 (en) 2004-10-19 2006-02-23 Dräger Medical AG & Co. KGaA anesthesia machine
JP4960246B2 (en) 2004-10-20 2012-06-27 レスメド・リミテッド A system for detecting inactive expiratory effort in patient-ventilator interactions
US20090199855A1 (en) 2004-11-01 2009-08-13 Davenport James M System and method for conserving oxygen delivery while maintaining saturation
US20080077038A1 (en) 2004-11-02 2008-03-27 Children's Hospital Of Philadelphia Respiratory Volume/Flow Gating, Monitoring, and Spirometry System for Mri
US8024029B2 (en) 2004-11-02 2011-09-20 Medtronic, Inc. Techniques for user-activated data retention in an implantable medical device
WO2006053316A2 (en) 2004-11-12 2006-05-18 Becton Dickinson And Company Patient information management system
CN100581444C (en) 2004-11-15 2010-01-20 皇家飞利浦电子股份有限公司 Ambulatory medical telemetry device having an audio indicator
US20060178591A1 (en) 2004-11-19 2006-08-10 Hempfling Ralf H Methods and systems for real time breath rate determination with limited processor resources
US20060229822A1 (en) 2004-11-23 2006-10-12 Daniel Theobald System, method, and software for automated detection of predictive events
DE102004056747A1 (en) 2004-11-24 2006-06-08 Map Medizin-Technologie Gmbh Apparatus and method for collecting flow signals
US7428902B2 (en) 2004-12-15 2008-09-30 Newport Medical Instruments, Inc. Humidifier system for artificial respiration
DE602005026054D1 (en) 2004-12-17 2011-03-03 Medtronic Inc SYSTEM FOR MONITORING OR TREATING DISEASES OF THE NERVOUS SYSTEM
US7832394B2 (en) 2004-12-22 2010-11-16 Schechter Alan M Apparatus for dispensing pressurized contents
US7836882B1 (en) 2005-01-07 2010-11-23 Vetland Medical Sales And Services Llc Electronic anesthesia delivery apparatus
US8060194B2 (en) 2005-01-18 2011-11-15 Braingate Co., Llc Biological interface system with automated configuration
WO2006077561A2 (en) 2005-01-24 2006-07-27 Koninklijke Philips Electronics N.V. System and method of configuring a control system for a plurality of devices
JP2006204742A (en) 2005-01-31 2006-08-10 Konica Minolta Sensing Inc Method and system for evaluating sleep, its operation program, pulse oxymeter, and system for supporting sleep
US20060178245A1 (en) 2005-02-07 2006-08-10 Sage Dynamics, L.P. Breathing exerciser and method of forming thereof
US20060178911A1 (en) 2005-02-10 2006-08-10 Iqbal Syed System and user interface for providing patient status and care setting information
DE102005007284B3 (en) 2005-02-17 2006-02-16 Dräger Medical AG & Co. KGaA Respiration system with maximum possible flexibility of servicing, with remote control coupled to breathing system via separate data lines for display and service data respectively,
CN101272734B (en) 2005-03-02 2011-05-04 太空实验室健康护理有限公司 Patient health trend indicator
US7438072B2 (en) 2005-03-02 2008-10-21 Izuchukwu John I Portable field anesthesia machine and control therefore
US8956292B2 (en) 2005-03-02 2015-02-17 Spacelabs Healthcare Llc Trending display of patient wellness
DE102005010488A1 (en) 2005-03-04 2006-09-07 Map Medizin-Technologie Gmbh Apparatus for administering a breathing gas and method for adjusting at least temporarily alternating breathing gas pressures
ES2414869T3 (en) 2005-03-08 2013-07-23 Activaero Gmbh Inhalation device
CN101188968B (en) 2005-03-09 2010-09-29 拉米尔·法里托维奇·穆辛 Method and device for microcalorimetrically measuring a tissue local metabolism speed, intracellular tissue water content, blood biochemical component concentration and a cardio-vascular system tensio
US7625345B2 (en) 2005-03-14 2009-12-01 Welch Allyn, Inc. Motivational spirometry system and method
US7504954B2 (en) 2005-03-17 2009-03-17 Spaeder Jeffrey A Radio frequency identification pharmaceutical tracking system and method
US8002711B2 (en) 2005-03-18 2011-08-23 Respironics, Inc. Methods and devices for relieving stress
US7207331B2 (en) 2005-03-22 2007-04-24 The General Electric Company Arrangement and method for controlling operational characteristics of medical equipment
EP1864473B1 (en) 2005-03-22 2008-09-03 Koninklijke Philips Electronics N.V. Addressing scheme for smart wireless medical sensor networks
US20060264762A1 (en) 2005-03-28 2006-11-23 Ric Investments, Llc. PC-based physiologic monitor and system for resolving apnea episodes during sedation
CA2650576C (en) 2005-04-14 2020-07-28 Hidalgo Limited Apparatus and system for monitoring an ambulatory person
US7603170B2 (en) 2005-04-26 2009-10-13 Cardiac Pacemakers, Inc. Calibration of impedance monitoring of respiratory volumes using thoracic D.C. impedance
US7219664B2 (en) 2005-04-28 2007-05-22 Kos Life Sciences, Inc. Breath actuated inhaler
US20060249151A1 (en) 2005-05-03 2006-11-09 China Resource Group, Inc. Ventilator with rescuer and victim guidance
US7445006B2 (en) 2005-05-03 2008-11-04 Dhuper Sunil K Aerosol inhalation system and interface accessory for use therewith
US20060249155A1 (en) 2005-05-03 2006-11-09 China Resource Group, Inc. Portable non-invasive ventilator with sensor
US7630755B2 (en) 2005-05-04 2009-12-08 Cardiac Pacemakers Inc. Syncope logbook and method of using same
ITRM20050217A1 (en) 2005-05-06 2006-11-07 Ginevri S R L PROCEDURE FOR NASAL VENTILATION AND ITS APPARATUS, IN PARTICULAR FOR NEONATAL FLOW-SYNCHRONIZED ASSISTED VENTILATION.
US9089275B2 (en) 2005-05-11 2015-07-28 Cardiac Pacemakers, Inc. Sensitivity and specificity of pulmonary edema detection when using transthoracic impedance
ITMI20050866A1 (en) 2005-05-13 2006-11-14 Marco Ranucci MONITORING SYSTEM FOR CARDIAC SURGERY INTERVENTIONS WITH CARDIOPOLMONARY BYPASS
DE102005022896B3 (en) 2005-05-18 2006-05-11 Dräger Medical AG & Co. KG Method for controlling respirator involves receiving measuring signals with the help of electrical impedance measuring instrument fitted with electrode application at test person
NZ540250A (en) 2005-05-20 2008-04-30 Nexus6 Ltd Reminder alarm for inhaler with variable and selectable ring tone alarms
US7527054B2 (en) 2005-05-24 2009-05-05 General Electric Company Apparatus and method for controlling fraction of inspired oxygen
GB0510951D0 (en) 2005-05-27 2005-07-06 Laryngeal Mask Company The Ltd Laryngeal mask airway device
US7310551B1 (en) 2005-06-02 2007-12-18 Pacesetter, Inc. Diagnostic gauge for cardiac health analysis
US7658188B2 (en) 2005-06-06 2010-02-09 Artivent Corporation Volume-adjustable manual ventilation device
US20060272643A1 (en) 2005-06-07 2006-12-07 Acoba, Llc Methods and related systems to selectively control operational modes of positive airway pressure systems
US8496001B2 (en) 2005-06-08 2013-07-30 Dräger Medical GmbH Process and device for the automatic identification of breathing tubes
US8677994B2 (en) 2005-06-08 2014-03-25 Dräger Medical GmbH Multipart medical engineering system
US7909031B2 (en) 2005-06-09 2011-03-22 Temple Univesity - Of The Commonwealth System of Higher Education Process for transient and steady state delivery of biological agents to the lung via breathable liquids
JP2008541976A (en) 2005-06-09 2008-11-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Method and apparatus for distinguishing between clinically significant changes and artifacts in patient physiological information
US7618378B2 (en) 2005-06-13 2009-11-17 The University Of Vermont And State Agricultural College Breath biofeedback system and method
US8561611B2 (en) 2005-06-21 2013-10-22 Ric Investments, Llc Respiratory device measurement system
JP4375288B2 (en) 2005-06-23 2009-12-02 コニカミノルタビジネステクノロジーズ株式会社 User interface device, user interface device control method, and user interface device control program
US20070016441A1 (en) 2005-06-27 2007-01-18 Richard Stroup System and method for collecting, organizing, and presenting visit-oriented medical information
WO2007008825A2 (en) 2005-07-11 2007-01-18 Emory University System and method for optimized delivery of an aerosol to the respiratory tract
US7895527B2 (en) 2005-07-15 2011-02-22 Siemens Medical Solutions Usa, Inc. Systems, user interfaces, and methods for processing medical data
US7634998B1 (en) 2005-07-15 2009-12-22 Fenley Robert C HME shuttle system
DE102006012727A1 (en) 2005-07-19 2007-01-25 Weinmann Geräte für Medizin GmbH & Co. KG Breathing apparatus has operating data memory and gas source control with storage during automatic or manually controlled pausing for eating and drinking
US7958892B2 (en) 2005-07-29 2011-06-14 Resmed Limited Air delivery system
US7487774B2 (en) 2005-08-05 2009-02-10 The General Electric Company Adaptive patient trigger threshold detection
DE102006012320A1 (en) 2005-08-26 2007-03-01 Weinmann Geräte für Medizin GmbH + Co. KG Apparatus involving respiration dependent measurement parameter evaluated by a control device operating parameter useful in medical technology for both static and mobile respiratory fighting applications uses blood as non-invasive parameter
US7347205B2 (en) 2005-08-31 2008-03-25 The General Electric Company Method for use with the pressure triggering of medical ventilators
US8522782B2 (en) 2005-09-12 2013-09-03 Mergenet Medical, Inc. High flow therapy device utilizing a non-sealing respiratory interface and related methods
US7650181B2 (en) 2005-09-14 2010-01-19 Zoll Medical Corporation Synchronization of repetitive therapeutic interventions
US7731663B2 (en) 2005-09-16 2010-06-08 Cardiac Pacemakers, Inc. System and method for generating a trend parameter based on respiration rate distribution
US8992436B2 (en) 2005-09-16 2015-03-31 Cardiac Pacemakers, Inc. Respiration monitoring using respiration rate variability
US20070062532A1 (en) 2005-09-21 2007-03-22 Choncholas Gary J Apparatus and method for identifying optimal PEEP
US20070066961A1 (en) 2005-09-21 2007-03-22 Rutter Michael J Airway balloon dilator
US20070062533A1 (en) 2005-09-21 2007-03-22 Choncholas Gary J Apparatus and method for identifying FRC and PEEP characteristics
US7523752B2 (en) 2005-09-21 2009-04-28 Ino Therapeutics, Llc System and method of administering a pharmaceutical gas to a patient
US7530353B2 (en) 2005-09-21 2009-05-12 The General Electric Company Apparatus and method for determining and displaying functional residual capacity data and related parameters of ventilated patients
DE102005045127B3 (en) 2005-09-22 2006-10-19 Dräger Medical AG & Co. KG Breathing apparatus, for patient, comprises breathing gas source, exhaling valve, inhaling line, exhaling line, feed for gas, flow sensor, pressure sensor, control unit, control circuit and control device
EP1933912B1 (en) 2005-09-26 2013-07-24 Innovent Medical Solutions, Inc. Combined ventilator inexsufflator
US7956719B2 (en) 2005-09-29 2011-06-07 Siemens Industry Inc. Building control system communication system timing measurement arrangement and method
US20070077200A1 (en) 2005-09-30 2007-04-05 Baker Clark R Method and system for controlled maintenance of hypoxia for therapeutic or diagnostic purposes
US7455583B2 (en) 2005-10-04 2008-11-25 Panasonic Corporation Ventilator including a control unit and human sensor
US7886739B2 (en) 2005-10-11 2011-02-15 Carefusion 207, Inc. System and method for circuit compliance compensated volume control in a patient respiratory ventilator
US20070123792A1 (en) 2005-11-17 2007-05-31 Charlotte-Mecklenburg Hospital Authority D/B/A Carolinas Medical Center System and method for determining airway obstruction
US8025052B2 (en) 2005-11-21 2011-09-27 Ric Investments, Llc System and method of monitoring respiratory events
US7422015B2 (en) 2005-11-22 2008-09-09 The General Electric Company Arrangement and method for detecting spontaneous respiratory effort of a patient
US7617821B2 (en) 2005-11-23 2009-11-17 Vibralung, Inc. Acoustic respiratory therapy apparatus
TW200719866A (en) 2005-11-28 2007-06-01 Zen U Biotechnology Co Ltd Method of measuring blood circulation velocity by controlling breath
US20070227537A1 (en) 2005-12-02 2007-10-04 Nellcor Puritan Bennett Incorporated Systems and Methods for Facilitating Management of Respiratory Care
US7617824B2 (en) 2005-12-08 2009-11-17 Ric Investments, Llc Ventilator adaptable for use with either a dual-limb circuit or a single-limb circuit
US7654802B2 (en) 2005-12-22 2010-02-02 Newport Medical Instruments, Inc. Reciprocating drive apparatus and method
US20070151563A1 (en) 2005-12-23 2007-07-05 Kenji Ozaki Apparatus and method for controlling gas-delivery mechanism for use in respiratory ventilators
US8532737B2 (en) 2005-12-29 2013-09-10 Miguel Angel Cervantes Real-time video based automated mobile sleep monitoring using state inference
US20070156456A1 (en) 2006-01-04 2007-07-05 Siemens Medical Solutions Health Services Corporation System for Monitoring Healthcare Related Activity In A Healthcare Enterprise
CN101972505B (en) 2006-01-06 2013-07-31 雷斯梅德有限公司 Computer controlled CPAP system with snore detection
US7678063B2 (en) 2006-01-06 2010-03-16 Mayo Foundation For Medical Education And Research Motion monitor system for use with imaging systems
US7694677B2 (en) 2006-01-26 2010-04-13 Nellcor Puritan Bennett Llc Noise suppression for an assisted breathing device
US10561810B2 (en) 2006-01-30 2020-02-18 Hamilton Medical Ag O2-controller
WO2007144767A2 (en) 2006-02-02 2007-12-21 Be Eri Eliezer A respiratory apparatus
US20070181122A1 (en) 2006-02-05 2007-08-09 Mulier Jan P Intubation positioning, breathing facilitator and non-invasive assist ventilation device
WO2007095266A2 (en) 2006-02-10 2007-08-23 Ultra Electronic Audiopack, Inc. Communication system for heads-up display
US7668579B2 (en) 2006-02-10 2010-02-23 Lynn Lawrence A System and method for the detection of physiologic response to stimulation
US8105249B2 (en) 2006-02-16 2012-01-31 Zoll Medical Corporation Synchronizing chest compression and ventilation in cardiac resuscitation
US7509957B2 (en) 2006-02-21 2009-03-31 Viasys Manufacturing, Inc. Hardware configuration for pressure driver
US8155767B2 (en) 2006-03-03 2012-04-10 Siemens Industry, Inc. Remote building control data display with automatic updates
DE102006010008B3 (en) 2006-03-04 2007-03-01 Dräger Medical AG & Co. KG Respiration monitoring apparatus has tone generator controlled by flow rate sensor, microphone connected to processor producing signals representing background noise which adjust sound produced by tone generator
US20070227538A1 (en) 2006-03-08 2007-10-04 Bernd Scholler Method and device for controlling a ventilator
EP1996284A2 (en) 2006-03-09 2008-12-03 Synapse Biomedical, Inc. Ventilatory assist system and method to improve respiratory function
US8460223B2 (en) 2006-03-15 2013-06-11 Hill-Rom Services Pte. Ltd. High frequency chest wall oscillation system
EP2007461A4 (en) 2006-03-15 2014-10-22 Hill Rom Services Pte Ltd High frequency chest wall oscillation system
US7671733B2 (en) 2006-03-17 2010-03-02 Koninklijke Philips Electronics N.V. Method and system for medical alarm monitoring, reporting and normalization
US7810497B2 (en) 2006-03-20 2010-10-12 Ric Investments, Llc Ventilatory control system
JP2007265032A (en) 2006-03-28 2007-10-11 Fujifilm Corp Information display device, information display system and information display method
DE102007006689B4 (en) 2006-03-31 2021-07-29 Löwenstein Medical Technology S.A. Device and method for detecting obstruction during apnea phases by means of an additional pressure level
US7736132B2 (en) 2006-04-03 2010-06-15 Respironics Oxytec, Inc. Compressors and methods for use
US8074645B2 (en) 2006-04-10 2011-12-13 Somnetics Global Pte. Ltd. Apparatus and methods for providing humidity in respiratory therapy
US8021310B2 (en) 2006-04-21 2011-09-20 Nellcor Puritan Bennett Llc Work of breathing display for a ventilation system
US7912537B2 (en) 2006-04-27 2011-03-22 Medtronic, Inc. Telemetry-synchronized physiological monitoring and therapy delivery systems
US20070271122A1 (en) 2006-05-02 2007-11-22 Siemens Medical Solutions Usa, Inc. Patient Video and Audio Monitoring System
US7909033B2 (en) 2006-05-03 2011-03-22 Comedica Incorporated Breathing treatment apparatus
US20080035146A1 (en) 2006-05-05 2008-02-14 Jerry Crabb Methods, systems and computer products for filling lungs
US7980245B2 (en) 2006-05-12 2011-07-19 The General Electric Company Informative accessories
US20070272241A1 (en) 2006-05-12 2007-11-29 Sanborn Warren G System and Method for Scheduling Pause Maneuvers Used for Estimating Elastance and/or Resistance During Breathing
CN101484202B (en) 2006-05-12 2013-12-04 Yrt有限公司 Method and device for generating a signal that reflects respiratory efforts in patients on ventilatory support
US8667963B2 (en) 2006-05-16 2014-03-11 Impact Instrumentation, Inc. Ventilator circuit for oxygen generating system
DE102006043637A1 (en) 2006-05-18 2007-11-22 Boehringer Ingelheim Pharma Gmbh & Co. Kg atomizer
US7369757B2 (en) 2006-05-24 2008-05-06 Nellcor Puritan Bennett Incorporated Systems and methods for regulating power in a medical device
US20070273216A1 (en) 2006-05-24 2007-11-29 Farbarik John M Systems and Methods for Reducing Power Losses in a Medical Device
US7460959B2 (en) 2006-06-02 2008-12-02 Nellcor Puritan Bennett Llc System and method for estimating oxygen concentration in a mixed gas experiencing pressure fluctuations
US20080039735A1 (en) 2006-06-06 2008-02-14 Hickerson Barry L Respiratory monitor display
ATE553695T1 (en) 2006-06-13 2012-05-15 Carefusion 303 Inc SYSTEM AND METHOD FOR OPTIMIZED CONTROL OF PCA AND PCEA SYSTEMS
US8360983B2 (en) 2006-06-22 2013-01-29 Cardiac Pacemakers, Inc. Apnea type determining apparatus and method
US8127762B2 (en) 2006-06-29 2012-03-06 Maquet Critical Care Ab Anaesthesia apparatus and method for operating an anaesthesia apparatus
US9010327B2 (en) 2006-06-30 2015-04-21 Breas Medical Ab Energy relief control in a mechanical ventilator
DE102006030520B3 (en) 2006-07-01 2007-06-21 Dräger Medical AG & Co. KG Respiratory gas supplying device for patient, has control device that is provided for controlling inspiration pressure based on pulmonary inner pressure and pulmonary target pressure
US7652571B2 (en) 2006-07-10 2010-01-26 Scott Technologies, Inc. Graphical user interface for emergency apparatus and method for operating same
US20080011301A1 (en) 2006-07-12 2008-01-17 Yuancheng Qian Out flow resistance switching ventilator and its core methods
WO2008008991A2 (en) 2006-07-13 2008-01-17 I-Stat Corporation Medical data acquisition and patient management system and method
US7594508B2 (en) 2006-07-13 2009-09-29 Ric Investments, Llc. Ventilation system employing synchronized delivery of positive and negative pressure ventilation
DE102006032860B4 (en) 2006-07-14 2011-07-14 Dräger Medical GmbH, 23558 Monitoring device for anesthesia device and method
US8083682B2 (en) 2006-07-19 2011-12-27 Cardiac Pacemakers, Inc. Sleep state detection
US20080029096A1 (en) 2006-08-02 2008-02-07 Kollmeyer Phillip J Pressure targeted ventilator using an oscillating pump
JP2009545384A (en) 2006-08-03 2009-12-24 ブリーズ テクノロジーズ, インコーポレイテッド Method and apparatus for minimally invasive respiratory assistance
US7772965B2 (en) 2006-08-07 2010-08-10 Farhan Fariborz M Remote wellness monitoring system with universally accessible interface
US7556038B2 (en) 2006-08-11 2009-07-07 Ric Investments, Llc Systems and methods for controlling breathing rate
US8322339B2 (en) 2006-09-01 2012-12-04 Nellcor Puritan Bennett Llc Method and system of detecting faults in a breathing assistance device
EP1897598A1 (en) 2006-09-06 2008-03-12 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO System for training optimisation
US20080076970A1 (en) 2006-09-26 2008-03-27 Mike Foulis Fluid management measurement module
US7784461B2 (en) 2006-09-26 2010-08-31 Nellcor Puritan Bennett Llc Three-dimensional waveform display for a breathing assistance system
US8902568B2 (en) 2006-09-27 2014-12-02 Covidien Lp Power supply interface system for a breathing assistance system
US20080072902A1 (en) 2006-09-27 2008-03-27 Nellcor Puritan Bennett Incorporated Preset breath delivery therapies for a breathing assistance system
US20080072896A1 (en) 2006-09-27 2008-03-27 Nellcor Puritan Bennett Incorporated Multi-Level User Interface for a Breathing Assistance System
DE102006047668B3 (en) 2006-09-28 2008-04-24 Ing. Erich Pfeiffer Gmbh inhalator
US8210173B2 (en) 2006-09-29 2012-07-03 Nellcor Puritan Bennett Llc Breathing assistance system having integrated electrical conductors communicating data
FR2906474B3 (en) 2006-09-29 2009-01-09 Nellcor Puritan Bennett Incorp SYSTEM AND METHOD FOR CONTROLLING RESPIRATORY THERAPY BASED ON RESPIRATORY EVENTS
US20080078390A1 (en) 2006-09-29 2008-04-03 Nellcor Puritan Bennett Incorporated Providing predetermined groups of trending parameters for display in a breathing assistance system
US7891354B2 (en) 2006-09-29 2011-02-22 Nellcor Puritan Bennett Llc Systems and methods for providing active noise control in a breathing assistance system
US7984714B2 (en) 2006-09-29 2011-07-26 Nellcor Puritan Bennett Llc Managing obstructive sleep apnea and/or snoring using local time released agents
FR2906450B3 (en) 2006-09-29 2009-04-24 Nellcor Puritan Bennett Incorp SYSTEM AND METHOD FOR DETECTING RESPIRATORY EVENTS
US8210174B2 (en) 2006-09-29 2012-07-03 Nellcor Puritan Bennett Llc Systems and methods for providing noise leveling in a breathing assistance system
DE202006020760U1 (en) 2006-10-10 2010-01-14 Dräger Medical AG & Co. KG System for controlling and monitoring therapy modules of a medical workstation
US8739035B2 (en) 2006-10-11 2014-05-27 Intel Corporation Controls and indicators with on-screen cognitive aids
EP3527255B1 (en) 2006-10-13 2020-08-05 Cyberonics, Inc. Obstructive sleep apnea treatment devices and systems
US20080103368A1 (en) 2006-10-17 2008-05-01 Ari Craine Methods, devices, and computer program products for detecting syndromes
US8881724B2 (en) 2006-10-19 2014-11-11 The General Electric Company Device and method for graphical mechanical ventilator setup and control
US20080251070A1 (en) 2006-11-02 2008-10-16 Vadim Pinskiy Method and apparatus for capnography-guided intubation
US20080110462A1 (en) 2006-11-10 2008-05-15 Chekal Michael P Oxygen delivery system
US20080183057A1 (en) 2006-11-13 2008-07-31 John Taube Display, data storage and alarm features of an adaptive oxygen controller
CN101534704A (en) 2006-11-14 2009-09-16 诺沃-诺迪斯克有限公司 Adaptive hypoglycaemia alert system and method
JPWO2008062554A1 (en) 2006-11-20 2010-03-04 株式会社東芝 Gas purification device, gas purification system, and gas purification method
US8100836B2 (en) 2006-12-06 2012-01-24 Texas Christian University Augmented RIC model of respiratory systems
TWI321465B (en) 2006-12-29 2010-03-11 Ind Tech Res Inst Automatic evaluation method and system of cardio-respiratory fitness
NZ548290A (en) 2006-12-30 2009-09-25 Safer Sleep Ltd Notification system
US7885828B2 (en) 2007-01-17 2011-02-08 Siemens Aktiengesellschaft Knowledge-based ordering systeming for radiological procedures
US8020558B2 (en) 2007-01-26 2011-09-20 Cs Medical, Inc. System for providing flow-targeted ventilation synchronized to a patient's breathing cycle
US20080183095A1 (en) 2007-01-29 2008-07-31 Austin Colby R Infant monitor
DE502007006878D1 (en) 2007-02-09 2011-05-19 Siemens Ag Method for incorporating network nodes
US20090139522A1 (en) 2007-02-21 2009-06-04 Vortran Medical Technology 1, Inc. Monitor for automatic resuscitator with optional gas flow control
US20080216833A1 (en) 2007-03-07 2008-09-11 Pujol J Raymond Flow Sensing for Gas Delivery to a Patient
US20080216835A1 (en) 2007-03-08 2008-09-11 Neurophysiological Concepts Llc Standalone cpap device and method of using
DE102007013385A1 (en) 2007-03-16 2008-09-18 Enk, Dietmar, Dr.med. Gas flow reversing element
DE102009013205A1 (en) 2009-03-17 2010-09-23 Dolphys Technologies B.V. Jet ventilation catheter, in particular for the ventilation of a patient
CN101707944B (en) 2007-03-19 2013-09-04 马奎特紧急护理公司 Method and device for manual input and haptic output of patient critical operating parameters in a breathing apparatus
EP1972356B1 (en) 2007-03-22 2011-06-29 General Electric Company System for monitoring patient's breathing action response to changes in a ventilator applied breathing support
US7559903B2 (en) 2007-03-28 2009-07-14 Tr Technologies Inc. Breathing sound analysis for detection of sleep apnea/popnea events
US20080243016A1 (en) 2007-03-28 2008-10-02 Cardiac Pacemakers, Inc. Pulmonary Artery Pressure Signals And Methods of Using
US20080236585A1 (en) 2007-03-29 2008-10-02 Caldyne Inc. Indicating device for a ventilator
US8695593B2 (en) 2007-03-31 2014-04-15 Fleur T. Tehrani Weaning and decision support system for mechanical ventilation
EP1978460B1 (en) 2007-04-05 2014-01-22 ResMed R&D Germany GmbH Monitoring device and method
US8276585B2 (en) 2007-04-10 2012-10-02 Resmed Limited Systems and methods for visualizing pressures and pressure responses to sleep-related triggering events
US20080281219A1 (en) 2007-04-11 2008-11-13 Deepbreeze Ltd. Method and System for Assessing Lung Condition and Managing Mechanical Respiratory Ventilation
US20080255880A1 (en) 2007-04-16 2008-10-16 Beller Stephen E Plan-of-Care Order-Execution-Management Software System
US8371299B2 (en) 2007-04-19 2013-02-12 Respironics Respiratory Drug Delivery Ventilator aerosol delivery
DE102007018810A1 (en) 2007-04-20 2008-10-30 Siemens Ag Method for motion monitoring in a medical device and associated medical device
US8156439B2 (en) 2007-04-24 2012-04-10 The General Electric Company Method and apparatus for mimicking the display layout when interfacing to multiple data monitors
US20090209849A1 (en) 2007-05-02 2009-08-20 Philip Stephen Rowe Medical Device Placement and Monitoring System Utilizing Radio Frequency Identification
US20080276940A1 (en) 2007-05-08 2008-11-13 Fuhrman Bradley P Breathing-Gas Delivery System With Exhaust Gas Filter Body And Method Of Operating A Breathing-Gas Delivery System
US8251703B2 (en) 2007-05-21 2012-08-28 Johnson County Community College Foundation, Inc. Healthcare training system and method
US20080294060A1 (en) 2007-05-21 2008-11-27 Cardiac Pacemakers, Inc. Devices and methods for disease detection, monitoring and/or management
US20080295830A1 (en) 2007-05-30 2008-12-04 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Tool and method for customized inhalation
JP5628669B2 (en) 2007-06-01 2014-11-19 インテンシブ ケア オン−ライン ネットワーク, インコーポレイテッド Artificial respiratory apparatus and system for ventilation
US20080295839A1 (en) 2007-06-01 2008-12-04 Habashi Nader M Ventilator Apparatus and System of Ventilation
DE102007026035B3 (en) 2007-06-04 2008-03-27 Dräger Medical AG & Co. KG Operating breathing and/or anaesthetizing apparatus in APRV mode involves detecting spontaneous expiration effort, initiating pressure release phase if detected spontaneous expiration effort occurs in predefined trigger window
JP5073371B2 (en) 2007-06-06 2012-11-14 株式会社タニタ Sleep evaluation device
US20080312954A1 (en) 2007-06-15 2008-12-18 Validus Medical Systems, Inc. System and Method for Generating and Promulgating Physician Order Entries
US8630704B2 (en) 2007-06-25 2014-01-14 Cardiac Pacemakers, Inc. Neural stimulation with respiratory rhythm management
US20090005651A1 (en) 2007-06-27 2009-01-01 Welch Allyn, Inc. Portable systems, devices and methods for displaying varied information depending on usage circumstances
WO2009000328A1 (en) 2007-06-28 2008-12-31 Maquet Critical Care Ab A patient ventilation system with gas identification means
DE102007037965A1 (en) 2007-08-11 2009-02-19 Diehl Ako Stiftung & Co. Kg rotary knobs
US7967780B2 (en) 2007-08-29 2011-06-28 Kimberly-Clark Worldwide, Inc. Gastro-esophageal reflux control system and pump
EP2031541A1 (en) 2007-09-03 2009-03-04 LG Electronics Inc. Facility management system and control method of facility management system
US8088120B2 (en) 2007-09-05 2012-01-03 Maya Worsoff Method and apparatus for alleviating nasal congestion
US20090076342A1 (en) 2007-09-14 2009-03-19 Corventis, Inc. Adherent Multi-Sensor Device with Empathic Monitoring
US20090078258A1 (en) 2007-09-21 2009-03-26 Bowman Bruce R Pressure regulation methods for positive pressure respiratory therapy
AU2008310576B2 (en) 2007-10-12 2014-01-23 Patientslikeme, Inc. Personalized management and comparison of medical condition and outcome based on profiles of community of patients
US20090120439A1 (en) 2007-11-08 2009-05-14 Fred Goebel Method of triggering a ventilator
GB0722247D0 (en) 2007-11-13 2007-12-27 Intersurgical Ag Improvements relating to anti-asphyxiation valves
US8931478B2 (en) 2007-11-19 2015-01-13 Carefusion 2200, Inc. Patient interface assembly for respiratory therapy
US8355928B2 (en) 2007-12-05 2013-01-15 Siemens Medical Solutions Usa, Inc. Medical user interface and workflow management system
DE102008057469A1 (en) 2007-12-05 2009-09-10 Draeger Medical Systems, Inc. Method and apparatus for controlling a heat therapy device
US20090149200A1 (en) 2007-12-10 2009-06-11 Symbol Technologies, Inc. System and method for device or system location optimization
US20090171167A1 (en) 2007-12-27 2009-07-02 Nellcor Puritan Bennett Llc System And Method For Monitor Alarm Management
US20090171176A1 (en) 2007-12-28 2009-07-02 Nellcor Puritan Bennett Llc Snapshot Sensor
US20090165795A1 (en) 2007-12-31 2009-07-02 Nellcor Puritan Bennett Llc Method and apparatus for respiratory therapy
US20090205663A1 (en) 2008-02-19 2009-08-20 Nellcor Puritan Bennett Llc Configuring the operation of an alternating pressure ventilation mode
US20090205661A1 (en) 2008-02-20 2009-08-20 Nellcor Puritan Bennett Llc Systems and methods for extended volume range ventilation
DE102008010651B4 (en) 2008-02-22 2019-04-25 Biotronik Se & Co. Kg System and method for evaluating an impedance curve
US8121858B2 (en) 2008-03-24 2012-02-21 International Business Machines Corporation Optimizing pharmaceutical treatment plans across multiple dimensions
US9560994B2 (en) 2008-03-26 2017-02-07 Covidien Lp Pulse oximeter with adaptive power conservation
EP2257328A2 (en) 2008-03-27 2010-12-08 Nellcor Puritan Bennett LLC Breathing assistance systems with lung recruitment maneuvers
EP2363163A1 (en) 2008-03-27 2011-09-07 Nellcor Puritan Bennett LLC Device for controlled delivery of breathing gas to a patient using multiple ventilation parameters
WO2009123977A1 (en) 2008-03-31 2009-10-08 Nellcor Puritan Bennett Llc Ventilator based on a fluid equivalent of the "digital to analog voltage" concept
US20090241953A1 (en) 2008-03-31 2009-10-01 Nellcor Puritan Bennett Llc Ventilator with piston-cylinder and buffer volume
US8792949B2 (en) 2008-03-31 2014-07-29 Covidien Lp Reducing nuisance alarms
EP2106818B1 (en) 2008-03-31 2013-12-25 Nellcor Puritan Bennett Llc System for compensating for pressure drop in a breathing assistance system
US8425428B2 (en) 2008-03-31 2013-04-23 Covidien Lp Nitric oxide measurements in patients using flowfeedback
EP2313138B1 (en) 2008-03-31 2018-09-12 Covidien LP System and method for determining ventilator leakage during stable periods within a breath
US20090247853A1 (en) 2008-03-31 2009-10-01 Nellcor Puritan Bennett Llc Non-Invasive Total Hemoglobin Measurement by Spectral Optical Coherence Tomography
US8272379B2 (en) 2008-03-31 2012-09-25 Nellcor Puritan Bennett, Llc Leak-compensated flow triggering and cycling in medical ventilators
US8267085B2 (en) 2009-03-20 2012-09-18 Nellcor Puritan Bennett Llc Leak-compensated proportional assist ventilation
US8746248B2 (en) 2008-03-31 2014-06-10 Covidien Lp Determination of patient circuit disconnect in leak-compensated ventilatory support
KR20110008080A (en) 2008-04-03 2011-01-25 카이 메디컬, 아이엔씨. Non-contact physiologic motion sensors and methods for use
CA2721325A1 (en) 2008-04-11 2009-10-15 Dymedix Corporation Multiple polarity piezoelectric film sensor respiratory output
US8457706B2 (en) 2008-05-16 2013-06-04 Covidien Lp Estimation of a physiological parameter using a neural network
US8309941B2 (en) 2008-05-22 2012-11-13 Vladimir Balakin Charged particle cancer therapy and patient breath monitoring method and apparatus
CN102056538B (en) 2008-06-06 2014-10-15 柯惠有限合伙公司 Systems and methods for determining patient effort and/or respiratory parameters in a ventilation system
US8726902B2 (en) 2008-06-13 2014-05-20 General Electric Company System and method for smart delivery of backup breaths
US20100011307A1 (en) 2008-07-08 2010-01-14 Nellcor Puritan Bennett Llc User interface for breathing assistance system
EP2317966B1 (en) 2008-07-23 2019-10-23 Atreo Medical, Inc. Cpr assist device for measuring compression parameters during cardiopulmonary resuscitation
US8834347B2 (en) 2008-08-22 2014-09-16 Dymedix Corporation Anti-habituating sleep therapy for a closed loop neuromodulator
WO2010028150A1 (en) 2008-09-04 2010-03-11 Nellcor Puritan Bennett Llc Ventilator with controlled purge function
US7893560B2 (en) 2008-09-12 2011-02-22 Nellcor Puritan Bennett Llc Low power isolation design for a multiple sourced power bus
US8551006B2 (en) 2008-09-17 2013-10-08 Covidien Lp Method for determining hemodynamic effects
US8424520B2 (en) 2008-09-23 2013-04-23 Covidien Lp Safe standby mode for ventilator
US20100071695A1 (en) 2008-09-23 2010-03-25 Ron Thiessen Patient wye with flow transducer
US8342177B2 (en) 2008-09-24 2013-01-01 Covidien Lp Spill resistant humidifier for use in a breathing assistance system
US20100071696A1 (en) 2008-09-25 2010-03-25 Nellcor Puritan Bennett Llc Model-predictive online identification of patient respiratory effort dynamics in medical ventilators
CA2736540C (en) 2008-09-25 2015-11-24 Nellcor Puritan Bennett Llc Inversion-based feed-forward compensation of inspiratory trigger dynamics in medical ventilators
US8261744B2 (en) 2008-09-26 2012-09-11 Intertechnique, S.A. Oxygen breathing device with redundant signal transmission
US8181648B2 (en) 2008-09-26 2012-05-22 Nellcor Puritan Bennett Llc Systems and methods for managing pressure in a breathing assistance system
CA2738212A1 (en) 2008-09-30 2010-04-08 Nellcor Puritan Bennett Llc Pneumatic tilt sensor for use with respiratory flow sensing device
US8302602B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Breathing assistance system with multiple pressure sensors
US8439032B2 (en) 2008-09-30 2013-05-14 Covidien Lp Wireless communications for a breathing assistance system
US8585412B2 (en) 2008-09-30 2013-11-19 Covidien Lp Configurable respiratory muscle pressure generator
US8652064B2 (en) 2008-09-30 2014-02-18 Covidien Lp Sampling circuit for measuring analytes
US8968193B2 (en) 2008-09-30 2015-03-03 Covidien Lp System and method for enabling a research mode on physiological monitors
US8393323B2 (en) 2008-09-30 2013-03-12 Covidien Lp Supplemental gas safety system for a breathing assistance system
US8302600B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Battery management for a breathing assistance system
US10252020B2 (en) 2008-10-01 2019-04-09 Breathe Technologies, Inc. Ventilator with biofeedback monitoring and control for improving patient activity and health
US10195391B2 (en) 2008-10-17 2019-02-05 Koninklijke Philips N.V. Volume control in a medical ventilator
JP2012508074A (en) 2008-11-10 2012-04-05 チャート・シークワル・テクノロジーズ・インコーポレイテッド Medical ventilator system and method using an oxygen concentrator
CA2739351C (en) 2008-11-17 2013-01-29 Toronto Rehabilitation Institute Method and apparatus for monitoring breathing cycle by frequency analysis of an acoustic data stream
US20110092839A1 (en) 2008-11-17 2011-04-21 Toronto Rehabilitation Institute Mask and method for use in respiratory monitoring and diagnostics
US8347883B2 (en) 2008-11-17 2013-01-08 Bird F M Manual controlled bi-phasic intrapulmonary percussive ventilation and methods
US8303276B2 (en) 2008-12-10 2012-11-06 Covidien Lp Pump and exhalation valve control for respirator apparatus
WO2010068569A1 (en) 2008-12-12 2010-06-17 Nellcor Puritan Bennett Llc Medical ventilator cart
USD632797S1 (en) 2008-12-12 2011-02-15 Nellcor Puritan Bennett Llc Medical cart
USD632796S1 (en) 2008-12-12 2011-02-15 Nellcor Puritan Bennett Llc Medical cart
CA2747332C (en) 2008-12-23 2015-01-27 F. Hoffmann-La Roche Ag Management method and system for implementation, execution, data collection, and data analysis of a structured collection procedure which runs on a collection device
US20120136270A1 (en) 2008-12-30 2012-05-31 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Methods and Systems for Presenting an Inhalation Experience
US9055888B2 (en) 2009-01-05 2015-06-16 Oridion Medical (1987) Ltd. Exhaled breath sampling with delivery of gas
CA2753356A1 (en) 2009-02-02 2010-08-05 Neurostream Technologies General Partnership A method and device for the prevention of sudden unexpected death in epilepsy (sudep)
US8434479B2 (en) 2009-02-27 2013-05-07 Covidien Lp Flow rate compensation for transient thermal response of hot-wire anemometers
US20100218766A1 (en) 2009-02-27 2010-09-02 Nellcor Puritan Bennett Llc Customizable mandatory/spontaneous closed loop mode selection
US8424521B2 (en) 2009-02-27 2013-04-23 Covidien Lp Leak-compensated respiratory mechanics estimation in medical ventilators
US8357100B2 (en) 2009-02-27 2013-01-22 Volusense As Managing flow/volume loop information
US8418691B2 (en) 2009-03-20 2013-04-16 Covidien Lp Leak-compensated pressure regulated volume control ventilation
US9186075B2 (en) 2009-03-24 2015-11-17 Covidien Lp Indicating the accuracy of a physiological parameter
US20100242961A1 (en) 2009-03-31 2010-09-30 Nellcor Puritan Bennett Llc Systems and methods for preventing water damage in a breathing assistance system
US20100262035A1 (en) 2009-04-09 2010-10-14 Invention Dynamics, Llc Portable Sleep Apnea Monitor
WO2010121313A1 (en) 2009-04-22 2010-10-28 Resmed Ltd Detection of asynchrony
EP2424433A4 (en) 2009-04-27 2014-05-07 Spacelabs Healthcare Llc Multiple mode, portable patient monitoring system
US20100288283A1 (en) 2009-05-15 2010-11-18 Nellcor Puritan Bennett Llc Dynamic adjustment of tube compensation factor based on internal changes in breathing tube
US20100300446A1 (en) 2009-05-26 2010-12-02 Nellcor Puritan Bennett Llc Systems and methods for protecting components of a breathing assistance system
US8603003B2 (en) 2009-06-03 2013-12-10 Covidien Lp Trachea pressure determination method and device
US20100317980A1 (en) 2009-06-11 2010-12-16 Guglielmino Michael F Method and device for using a physiological parameter to express evolution
WO2010149374A1 (en) 2009-06-25 2010-12-29 Clearway Medical Limited A respiratory monitoring system
US20100331715A1 (en) 2009-06-30 2010-12-30 Nellcor Puritan Bennett Ireland Systems and methods for detecting effort events
WO2011005953A2 (en) 2009-07-10 2011-01-13 Cardiac Pacemakers, Inc. System and method of pulmonary edema detection
US8776790B2 (en) 2009-07-16 2014-07-15 Covidien Lp Wireless, gas flow-powered sensor system for a breathing assistance system
US20110029910A1 (en) 2009-07-31 2011-02-03 Nellcor Puritan Bennett Llc Method And System For Providing A Graphical User Interface For Delivering A Low Flow Recruitment Maneuver
US20110023880A1 (en) 2009-07-31 2011-02-03 Nellcor Puritan Bennett Llc Method And System For Delivering A Multi-Breath, Low Flow Recruitment Maneuver
US20110023881A1 (en) 2009-07-31 2011-02-03 Nellcor Puritan Bennett Llc Method And System For Generating A Pressure Volume Loop Of A Low Flow Recruitment Maneuver
US20110023878A1 (en) 2009-07-31 2011-02-03 Nellcor Puritan Bennett Llc Method And System For Delivering A Single-Breath, Low Flow Recruitment Maneuver
US8596270B2 (en) 2009-08-20 2013-12-03 Covidien Lp Systems and methods for controlling a ventilator
US8789529B2 (en) 2009-08-20 2014-07-29 Covidien Lp Method for ventilation
US20110054289A1 (en) 2009-09-01 2011-03-03 Adidas AG, World of Sports Physiologic Database And System For Population Modeling And Method of Population Modeling
CA2715416A1 (en) 2009-09-22 2011-03-22 O-Two Medical Technologies Inc. Handheld device for delivering continuous positive airway pressure
US8439036B2 (en) 2009-12-01 2013-05-14 Covidien Lp Exhalation valve assembly with integral flow sensor
US8439037B2 (en) 2009-12-01 2013-05-14 Covidien Lp Exhalation valve assembly with integrated filter and flow sensor
US8469030B2 (en) 2009-12-01 2013-06-25 Covidien Lp Exhalation valve assembly with selectable contagious/non-contagious latch
US8469031B2 (en) 2009-12-01 2013-06-25 Covidien Lp Exhalation valve assembly with integrated filter
US20110126832A1 (en) 2009-12-01 2011-06-02 Nellcor Puritan Bennett Llc Exhalation Valve Assembly
US8547062B2 (en) 2009-12-02 2013-10-01 Covidien Lp Apparatus and system for a battery pack assembly used during mechanical ventilation
US8434483B2 (en) 2009-12-03 2013-05-07 Covidien Lp Ventilator respiratory gas accumulator with sampling chamber
US20110138311A1 (en) 2009-12-04 2011-06-09 Nellcor Puritan Bennett Llc Display Of Respiratory Data On A Ventilator Graphical User Interface
US9119925B2 (en) 2009-12-04 2015-09-01 Covidien Lp Quick initiation of respiratory support via a ventilator user interface
US8335992B2 (en) 2009-12-04 2012-12-18 Nellcor Puritan Bennett Llc Visual indication of settings changes on a ventilator graphical user interface
USD618356S1 (en) 2009-12-04 2010-06-22 Nellcor Puritan Bennett Llc Tank holder
US9814851B2 (en) 2009-12-04 2017-11-14 Covidien Lp Alarm indication system
USD649157S1 (en) 2009-12-04 2011-11-22 Nellcor Puritan Bennett Llc Ventilator display screen with a user interface
US8924878B2 (en) 2009-12-04 2014-12-30 Covidien Lp Display and access to settings on a ventilator graphical user interface
USD638852S1 (en) 2009-12-04 2011-05-31 Nellcor Puritan Bennett Llc Ventilator display screen with an alarm icon
USD643535S1 (en) 2009-12-04 2011-08-16 Nellcor Puritan Bennett Llc Medical ventilator
US20110138323A1 (en) 2009-12-04 2011-06-09 Nellcor Puritan Bennett Llc Visual Indication Of Alarms On A Ventilator Graphical User Interface
US8418692B2 (en) 2009-12-04 2013-04-16 Covidien Lp Ventilation system with removable primary display
US8499252B2 (en) 2009-12-18 2013-07-30 Covidien Lp Display of respiratory data graphs on a ventilator graphical user interface
US20110146681A1 (en) 2009-12-21 2011-06-23 Nellcor Puritan Bennett Llc Adaptive Flow Sensor Model
US20110146683A1 (en) 2009-12-21 2011-06-23 Nellcor Puritan Bennett Llc Sensor Model
US8400290B2 (en) 2010-01-19 2013-03-19 Covidien Lp Nuisance alarm reduction method for therapeutic parameters
US8707952B2 (en) 2010-02-10 2014-04-29 Covidien Lp Leak determination in a breathing assistance system
US9302061B2 (en) 2010-02-26 2016-04-05 Covidien Lp Event-based delay detection and control of networked systems in medical ventilation
US20110213215A1 (en) 2010-02-26 2011-09-01 Nellcor Puritan Bennett Llc Spontaneous Breathing Trial Manager
US20110209702A1 (en) 2010-02-26 2011-09-01 Nellcor Puritan Bennett Llc Proportional Solenoid Valve For Low Molecular Weight Gas Mixtures
US20110209707A1 (en) 2010-02-26 2011-09-01 Nellcor Puritan Bennett Llc Method And Apparatus For Oxygen Reprocessing Of Expiratory Gases In Mechanical Ventilation
USD653749S1 (en) 2010-04-27 2012-02-07 Nellcor Puritan Bennett Llc Exhalation module filter body
US8539949B2 (en) 2010-04-27 2013-09-24 Covidien Lp Ventilation system with a two-point perspective view
USD655405S1 (en) 2010-04-27 2012-03-06 Nellcor Puritan Bennett Llc Filter and valve body for an exhalation module
US8511306B2 (en) 2010-04-27 2013-08-20 Covidien Lp Ventilation system with system status display for maintenance and service information
USD655809S1 (en) 2010-04-27 2012-03-13 Nellcor Puritan Bennett Llc Valve body with integral flow meter for an exhalation module
US8453643B2 (en) 2010-04-27 2013-06-04 Covidien Lp Ventilation system with system status display for configuration and program information
USD645158S1 (en) 2010-04-27 2011-09-13 Nellcor Purtian Bennett LLC System status display
EP2383008B1 (en) 2010-04-30 2013-11-06 General Electric Company Arrangement for maintaining volume of breathing gas in a desired level
US8638200B2 (en) 2010-05-07 2014-01-28 Covidien Lp Ventilator-initiated prompt regarding Auto-PEEP detection during volume ventilation of non-triggering patient
US20110271960A1 (en) 2010-05-07 2011-11-10 Nellcor Puritan Bennett Llc Ventilator-Initiated Prompt Regarding Auto-PEEP Detection During Volume Ventilation Of Triggering Patient
US8607788B2 (en) 2010-06-30 2013-12-17 Covidien Lp Ventilator-initiated prompt regarding auto-PEEP detection during volume ventilation of triggering patient exhibiting obstructive component
US8607789B2 (en) 2010-06-30 2013-12-17 Covidien Lp Ventilator-initiated prompt regarding auto-PEEP detection during volume ventilation of non-triggering patient exhibiting obstructive component
US8607790B2 (en) 2010-06-30 2013-12-17 Covidien Lp Ventilator-initiated prompt regarding auto-PEEP detection during pressure ventilation of patient exhibiting obstructive component
US8607791B2 (en) 2010-06-30 2013-12-17 Covidien Lp Ventilator-initiated prompt regarding auto-PEEP detection during pressure ventilation
US8676285B2 (en) 2010-07-28 2014-03-18 Covidien Lp Methods for validating patient identity
US20120060841A1 (en) 2010-09-15 2012-03-15 Newport Medical Instruments, Inc. Oxygen enrichment device for ventilator
US8554298B2 (en) 2010-09-21 2013-10-08 Cividien LP Medical ventilator with integrated oximeter data
US20110011403A1 (en) 2010-09-26 2011-01-20 Richard William Heim Crew Mask Regulator Mechanical Curve Matching Dilution Valve
US20120090611A1 (en) 2010-10-13 2012-04-19 Nellcor Puritan Bennett Llc Systems And Methods For Controlling An Amount Of Oxygen In Blood Of A Ventilator Patient
US20120096381A1 (en) 2010-10-13 2012-04-19 Nellcor Puritan Bennett Llc Ventilator-Initiated Prompt In Response To Proposed Setting Adjustment
US20120123219A1 (en) 2010-11-15 2012-05-17 Emil Markov Georgiev Method and system for controlling medical monitoring equipment
US8757152B2 (en) 2010-11-29 2014-06-24 Covidien Lp Ventilator-initiated prompt regarding detection of double triggering during a volume-control breath type
US8757153B2 (en) 2010-11-29 2014-06-24 Covidien Lp Ventilator-initiated prompt regarding detection of double triggering during ventilation
US8595639B2 (en) 2010-11-29 2013-11-26 Covidien Lp Ventilator-initiated prompt regarding detection of fluctuations in resistance
US20120136222A1 (en) 2010-11-30 2012-05-31 Nellcor Puritan Bennett Llc Methods And Systems For Monitoring A Ventilator Patient With A Capnograph
US20120167885A1 (en) 2010-12-29 2012-07-05 Nellcor Puritan Bennett Llc Systems And Methods For Ventilation To Obtain A Predetermined Patient Effort
US20120185792A1 (en) 2011-01-13 2012-07-19 Nellcor Puritan Bennett Llc Pictorial Representation Of Patient Condition Trending
US8788236B2 (en) 2011-01-31 2014-07-22 Covidien Lp Systems and methods for medical device testing
US8676529B2 (en) 2011-01-31 2014-03-18 Covidien Lp Systems and methods for simulation and software testing
US20120216809A1 (en) 2011-02-27 2012-08-30 Nellcor Puritan Bennett Llc Ventilator-Initiated Prompt Regarding Detection Of Inadequate Flow During Ventilation
US8783250B2 (en) 2011-02-27 2014-07-22 Covidien Lp Methods and systems for transitory ventilation support
US20120216811A1 (en) 2011-02-28 2012-08-30 Nellcor Puritan Bennett Llc Use of Multiple Spontaneous Breath Types To Promote Patient Ventilator Synchrony
US9038633B2 (en) 2011-03-02 2015-05-26 Covidien Lp Ventilator-initiated prompt regarding high delivered tidal volume
US8714154B2 (en) 2011-03-30 2014-05-06 Covidien Lp Systems and methods for automatic adjustment of ventilator settings
US8776792B2 (en) 2011-04-29 2014-07-15 Covidien Lp Methods and systems for volume-targeted minimum pressure-control ventilation
US9629971B2 (en) 2011-04-29 2017-04-25 Covidien Lp Methods and systems for exhalation control and trajectory optimization
US20120272962A1 (en) 2011-04-29 2012-11-01 Nellcor Puritan Bennett Llc Methods and systems for managing a ventilator patient with a capnometer
US20120304995A1 (en) 2011-05-31 2012-12-06 Nellcor Puritan Bennett Llc Previous Set Up Mode Parameter Retention
US20130006133A1 (en) 2011-06-30 2013-01-03 Nellcor Puritan Bennett Llc Methods and systems for monitoring volumetric carbon dioxide
US20130000644A1 (en) 2011-06-30 2013-01-03 Nellcor Puritan Bennett Llc Systems and methods for providing ventilation based on patient need
US20130006134A1 (en) 2011-06-30 2013-01-03 Nellcor Puritan Bennett Llc Methods and systems for monitoring volumetric carbon dioxide
US20130025596A1 (en) 2011-07-27 2013-01-31 Nellcor Puritan Bennett Llc Methods and systems for model-based transformed proportional assist ventilation
US20130025597A1 (en) 2011-07-29 2013-01-31 Nellcor Puritan Bennett Llc Methods and systems for monitoring a ventilated patient with an oximeter
US20130081536A1 (en) 2011-09-30 2013-04-04 Newport Medical Instruments, Inc. Pump piston assembly with acoustic dampening device
US9089657B2 (en) 2011-10-31 2015-07-28 Covidien Lp Methods and systems for gating user initiated increases in oxygen concentration during ventilation
US9364624B2 (en) 2011-12-07 2016-06-14 Covidien Lp Methods and systems for adaptive base flow
US20130167843A1 (en) 2011-12-31 2013-07-04 Nellcor Puritan Bennett Llc Piezoelectric blower piloted valve
US9498589B2 (en) 2011-12-31 2016-11-22 Covidien Lp Methods and systems for adaptive base flow and leak compensation
US9022031B2 (en) 2012-01-31 2015-05-05 Covidien Lp Using estimated carinal pressure for feedback control of carinal pressure during ventilation
US20130220324A1 (en) 2012-02-29 2013-08-29 Nellcor Puritan Bennett Llc Systems and methods for providing oscillatory pressure control ventilation
US9327089B2 (en) 2012-03-30 2016-05-03 Covidien Lp Methods and systems for compensation of tubing related loss effects
US8844526B2 (en) 2012-03-30 2014-09-30 Covidien Lp Methods and systems for triggering with unknown base flow
US9993604B2 (en) 2012-04-27 2018-06-12 Covidien Lp Methods and systems for an optimized proportional assist ventilation
US9144658B2 (en) 2012-04-30 2015-09-29 Covidien Lp Minimizing imposed expiratory resistance of mechanical ventilator by optimizing exhalation valve control
US20140000606A1 (en) 2012-07-02 2014-01-02 Nellcor Puritan Bennett Llc Methods and systems for mimicking fluctuations in delivered flow and/or pressure during ventilation
US10362967B2 (en) 2012-07-09 2019-07-30 Covidien Lp Systems and methods for missed breath detection and indication
EP3364855B1 (en) 2015-10-19 2023-12-20 Koninklijke Philips N.V. Anomaly detection device and method for respiratory mechanics parameter estimation

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