EP4281140A1 - Ensemble modulaire de capteur de débit médical - Google Patents

Ensemble modulaire de capteur de débit médical

Info

Publication number
EP4281140A1
EP4281140A1 EP22702637.4A EP22702637A EP4281140A1 EP 4281140 A1 EP4281140 A1 EP 4281140A1 EP 22702637 A EP22702637 A EP 22702637A EP 4281140 A1 EP4281140 A1 EP 4281140A1
Authority
EP
European Patent Office
Prior art keywords
module
sensor
module assembly
flow
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22702637.4A
Other languages
German (de)
English (en)
Inventor
Lena Pieschnik
Susan Zeininger
Stefan Weiss
Bastian Ramming
Ricardo Ehrenpfordt
Thomas Ruhland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raumedic AG
Original Assignee
Raumedic AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raumedic AG filed Critical Raumedic AG
Publication of EP4281140A1 publication Critical patent/EP4281140A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/1413—Modular systems comprising interconnecting elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/14—Casings, e.g. of special material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/35—Communication
    • A61M2205/3546—Range
    • A61M2205/3561—Range local, e.g. within room or hospital
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502—User interfaces, e.g. screens or keyboards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • A61M5/365—Air detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Definitions

  • the invention relates to a medical flow sensor module assembly.
  • a sensor module for such a module assembly is known from EP 2 107 347 Bl.
  • WO 2019/034 570 A1 discloses a sensor arrangement with a pressure sensor and a thermal gas sensor.
  • US 2011/0 118 705 A1 discloses a sensor and a control unit for fluid flow control and a method for controlled fluid delivery.
  • US 3,921,622 discloses a method and a device for the ultrasonic detection of inclusions in a flowing fluid.
  • DE 10 2012 111 757 A1 discloses a device for ultrasonic flow measurement in hose and/or plastic pipe systems.
  • a modular division of the module assembly on the one hand into an easy-to-use sensor module (disposable), having in particular a flow sensor, and on the other hand in a reusable housing module (reusable) creates the possibility of accommodating in particular expensive electronic components in the reusable housing module, which can be used again after replacing the easy-to-use sensor module.
  • This increases the cost efficiency of the module assembly, since the reusable housing module can be used with a plurality and possibly with a large number of sensor modules that are used one after the other.
  • the form-fitting accommodation of the sensor module in the housing module ensures, in particular, that the sensor module is prevented from rotating.
  • the sensor module is positioned in a defined manner due to the form fit, so that a connection between supply components and components to be supplied between the modules is also possible via appropriately aligned connection interfaces, in particular via plug connectors.
  • the electronics unit of the sensor module can have a data processing component and/or a memory component and/or a sensor control component and/or an output component.
  • the electronics unit can have a microcontroller.
  • the electronics unit can have adjustment and calibration curves stored there. These curves can be used to match flow rates with the fluidic materials to be measured.
  • the electronics unit can be equipped with software that can be used to process algorithms for feature extraction, selection and classification.
  • the software can contain a reminder function, in particular a reminder that the easy-to-use sensor module needs to be replaced.
  • the interfaces of the module assembly can be designed as possibly sealed plugs. A power supply and/or a serial bus signal can be transmitted via the interfaces of the module assembly.
  • the easy-to-use Sensor module are supplied with energy via a battery or an accumulator.
  • RS232, RS485 and CAN can be used as interface or bus standards.
  • the interfaces of the module assembly can be wireless.
  • the Bluetooth or Wifi standards can be used here.
  • the electronics unit can have an inductive interface, if necessary, for signal connection to an external device. This can be used for data evaluation and/or data presentation.
  • the module assembly can be designed in such a way that telemetric monitoring of the function and the measured values of the module assembly is possible in cooperation with the external device. Data processing or data evaluation of measured values of the module assembly can take place via an app and/or via a cloud solution.
  • the module assembly can have counterfeit protection means, so that in particular the use of an unauthorized sensor module in the module assembly is prevented. Such protection against plagiarism can take place via ID recognition of identification data, in particular of the sensor module.
  • the module assembly can be designed in the form of a connector that can be used in particular between hose sections of the device for patient monitoring and/or patient care.
  • the module assembly can have Luer connectors for coupling to external fluid-carrying components of the device for patient monitoring and/or patient care.
  • the reusable housing module can have a unit for recording a signal for determining a period of use of the single-use sensor module.
  • a number of disposables used sequentially with the reusable can be recorded here.
  • the electronics unit has at least one data processing and control component for controlling the flow sensor and for receiving, processing and forwarding sensor signals. Such a design of the electronics unit enables the module assembly to be used flexibly.
  • An electrical connector according to claim 4 is inexpensive.
  • the plug connection can be designed as a sealed plug connection.
  • a foldable connection of the housing sections according to claim 5 is easy to handle and enables a cost-effective execution of a positive fit of the housing sections around the sensor module.
  • a fixation of the housing sections according to claim 6 prevents an unwanted separation of these.
  • the fixing can be realized via a latching connection of the housing sections to one another. When masting an egg, a defined clicking noise can indicate to the user that the housing module has been properly closed.
  • the fixation can have at least one locking element, which prevents unintentional loosening of the fixation.
  • the housing module can have a display unit for emitting a signal when the connecting folded position has been fully reached and/or the connecting folded position has not been fully reached.
  • At least two sensors according to claim 7 increase the possible uses of the module assembly.
  • Several easy-to-use sensors can be used.
  • a pressure sensor, a temperature sensor or an acceleration sensor or a combination of these sensors can be used.
  • a sensor design according to claim 8 increases the cost efficiency of the module assembly. Sensors that are not contaminated during use can be part of the reusable housing module.
  • An ultrasonic sensor according to claim 9 can be used to detect bubbles in the flow channel. Examples of such ultrasonic sensors can be found in EP 2 813 845 B1, DE 102 09 254 B4, DE 102 09 255 B4 and US 2013/305839A1. Such an ultrasonic sensor can be used to reduce bubbles in the flow channel.
  • a multi-part design of the duct body according to claim 10 further expands the application possibilities of the module assembly.
  • the module assembly can have multiple sensors.
  • Each of the several channel body sections can be used by at least one of the sensors as a measuring section for measuring the fluid flowing through.
  • each channel section can be used by at least one of the sensors as a measuring section for measuring the fluid flowing through.
  • the channel sections can be connected to one another via a snap-in connection.
  • a display unit according to claim 11 can be digital, optical and/or acoustic.
  • the display unit can be designed to issue a warning signal, in particular when a measured value limit is exceeded be. In this case, the display unit can carry out a comparison of a predefined target measured value with a current actual measured value.
  • the display unit can be designed to emit tones, colors or as a vibration display.
  • the display unit can be configured to preselect a fluidic medium to be measured.
  • a pump unit according to claim 12 can ensure a self-sufficient module assembly in an emergency.
  • a pump unit can also be used to stimulate a media flow through the module assembly that is absent or insufficient initially or during operation.
  • the pump unit can also be used to support or stimulate a fluid flow that would otherwise be achievable by gravity.
  • the pump unit may also eliminate the need for a pump that would otherwise be provided at the patient monitoring and/or patient care facility.
  • the pump unit can be controllable by the electronic unit of the reusable housing module.
  • FIG. 1 is a perspective view of a closed medical flow sensor module assembly as part of a patient monitoring and/or patient care device;
  • Fig. 2 shows the module assembly according to Fig. 1, with one of two housing sections being in the closed position according to Fig. 1 enclose a sensor module of the modular brewing group in a form-fitting manner, is swung open into an open position;
  • FIG. 3 shows a schematic longitudinal section through an embodiment of the module assembly, wherein a flow channel is shown with the opposite orientation compared to FIG. 2 ;
  • Fig. 4 shows a section according to line IV-IV in Fig. 3;
  • FIG. 5 shows, in a representation similar to FIG. 3, a further embodiment of a flow sensor module assembly which, in comparison to the embodiment according to FIGS. 1 to 4, is designed without an ultrasonic sensor in addition to a flow sensor;
  • Fig. 6 is a sectional view similar to Fig. 4 of the module assembly of Fig. 5.
  • a medical flow sensor module assembly 1 is part of a patient monitoring and/or patient care facility.
  • the module assembly 1 has a reusable housing module 2, which is also referred to as reusable.
  • the housing module 2 has two housing sections, namely a base section 3 and a cover section 4, which are connected to one another via a joint 5 with joint sections 6, 7 so that they can be folded about a joint axis 8.
  • the two housing sections 3, 4 enclose an easy-to-use sensor module 9 in a form-fitting manner.
  • The- This form-fitting enclosing serves on the one hand to mechanically hold the sensor module 9 in the connecting folded position and also serves to prevent at least selected components of the sensor module from rotating about a longitudinal axis 10 of the sensor module 9, which is connected by a flow channel 10a of a Channel body 11 of the sensor module 9 is specified.
  • the easy-to-use sensor module 9 is also referred to as a disposable.
  • the sensor module 9 has a flow sensor 12 for measuring a fluid flow through the flow channel 10a.
  • a flow sensor is known, for example, from EP 2 107 347 Bl.
  • the sensor module 9 has a flow sensor interface 13 (cf. FIG. 3) which is in signal connection with the flow sensor 12 .
  • An electronic unit interface 14 is in signal connection with the flow sensor interface 13 .
  • An electronic unit 15 of the housing module 2 is in signal connection with the flow sensor 12 via the latter.
  • the two interfaces 13, 14 are designed as electrical connectors between the housing module 2, ie the reusable, and the sensor module 9, ie the disposable.
  • the electronics unit 15 is accommodated in one of the two housing sections 3 , 4 , namely in the housing cover section 4 .
  • These building blocks include a data processing and control component 17, a data storage component 18 and components 18a, 18b for receiving, processing and forwarding sensor signals.
  • the electronics unit 15 or the module assembly 1 also has an interface 19 for signal connection to an external device.
  • This interface 19 can be designed as an inductive interface. Data can be evaluated and signals and/or data can be displayed via the external device via the interface 19 . Telemetry monitoring of the module assembly is also possible via the interface 19. Depending on the design, the interface 19 can be controlled via an app or cloud application.
  • the electronics unit 15 can have means for counterfeit protection and means for ID recognition of the easy-to-use sensor module 9 .
  • the two housing sections 3, 4 of the housing module 2 are connected to one another in a fixed manner in the connection-folding position according to FIGS. This is accomplished via a latching connection 20.
  • the latching connection 20 has latching lugs 21 which are attached to one of the two housing sections 3, 4 and, in the connection-folded position, interact in a latching manner with latching tabs or latching grooves 22 which are designed in the other of the two housing sections 4, 3.
  • the locking lugs 21 are arranged on the housing cover section 4 and the locking tabs 22 are arranged on the housing base section 3.
  • a protruding actuating section 23 is formed on the housing base section 3 .
  • Pressure on the actuating section 23 in Fig. 1 from above results in the latching tabs 22 being lifted off the associated latching lugs 21 and released from them, so that the housing cover section 4 can be swung open from the connection-folded position into the open position according to FIG.
  • the housing cover section 4 can be prestressed in the connected folded position in such a way that after the latching tabs 22 have been released from the latching lugs 21, it pivots open at least a little into the open position .
  • the channel body 11 is designed in several parts, namely in two parts, and accordingly has two sequential channel sections, which are formed by different channel body sections 11a and 11b.
  • the flow sensor 12 for measuring the fluid flow through the flow channel 10a is arranged in the channel body section 11a lying downstream in a flow direction 24 .
  • the further channel body section 11b is arranged upstream of this channel body section 11a and is tightly connected to the following channel body section 11a via a latching connection 25 .
  • this channel body section 11b has a constriction section 26.
  • the constriction section 26 can be designed as an outer peripheral groove. In the schematic representation according to FIG. 3, this groove is shown to have a smaller axial extent than in the representation according to FIG.
  • the ultrasonic sensor is a reusable sensor and is part of the housing module 2.
  • the ultrasonic sensor component 27 is attached to that side of the circuit board 16 of the electronics unit 15 which faces the narrowing section 26 of the channel body section 11b.
  • the ultrasonic sensor component 27 is therefore accommodated in the housing cover section 4 .
  • the ultrasonic sensor component 27 is controlled via the DV control component 17 of the electronics unit 15.
  • the ultrasonic sensor component 28 is housed in the case base portion 3 and also faces the throat portion 26 of the channel body portion 11b.
  • the constriction section 26 and thus the section of the flow channel 10a delimited by it lies between the two ultrasonic sensor components 27, 28.
  • the ultrasonic sensor component 28 accommodated in the housing base section 3 is arranged on a printed circuit board 30 of a further electronics unit 31 accommodated overall in the housing base section 3 .
  • This circuit board 30 carries an additional data processing component 32 which, in particular, has the function of controlling the ultrasonic sensor component 28 .
  • the data processing component 32 can also perform other functions that have been explained above in connection with the components 17, 18, 18a, 18b.
  • the two electronic units 15, 31 are in signal connection with one another via an electronic unit interface.
  • This electronics unit interface is designed as an electrical plug connection 33 (see FIG. 4). In the connection-folded position of the two housing sections 3, 4, signal routing components 34, 35 of the electrical plug connection 33 are sealed off from the outside.
  • the two electronic units 15 and 31 and/or the interfaces explained above can also be in signal connection with one another in a wireless manner, for example via the Bluetooth or via the Wifi standard.
  • Each of the channel sections defined by the channel bodies 11a and 11b is used by a respective sensor, namely the ultrasonic sensor 29 on the one hand and the flow sensor 12 on the other hand as a measuring section for measuring the fluid flowing through.
  • the interface 19 can also be designed as a display unit via which digital, optical and/or acoustic signals can be output, for example warning signals.
  • the display unit 19 can indicate that the limit has been exceeded, ie the indication that predetermined measured value limits for the flow rate and/or possibly for detected amounts of gas bubbles have been exceeded. In this case, a comparison can be made between a specified desired measured value and a measured actual measured value.
  • the display unit 19 can output different tones or tone sequences.
  • the display unit 19 can light up in different colors or also imitate light sequences.
  • the display unit 19 may include a display vibration module.
  • the module assembly 1 can also have a reusable pump unit 36 for generating a media flow through the flow channel 10a.
  • the pump unit 36 is shown schematically housed in the housing base section 3 in FIG. For example, a peristaltic pump can be used. The use of a micropump is also possible.
  • FIGS. 1 to 4 A further embodiment of a flow sensor module assembly 40 is described below with reference to FIGS. Components and functions that correspond to those that have already been explained above with reference to FIGS. 1 to 4 have the same reference numbers and will not be discussed again in detail.
  • module assembly 40 In the case of the module assembly 40, the electronic unit 31 on the base side with the ultrasonic sensor 29 is missing. Accordingly, the electrical plug connector 33 and also the channel body section 11b can be dispensed with. Otherwise, module assembly 40 corresponds to module assembly 1.
  • the flow sensor module assembly 1 is used as follows:
  • the two housing sections 3, 4 are folded open about the joint axis 8 of the joint 5 and brought into the open position.
  • the sensor module 9 is now inserted into a complementary recess in the housing base section 3 of the housing module, as shown in FIG.
  • the housing cover section 4 is then brought into the closed position according to FIG. 1, with the latching connection 20 latching and securing the housing cover section 4 in the closed position.
  • the housing receptacle which is complementary to the shape of the sensor module 9, in the housing base section 3 on the one hand and in the housing cover section 4 on the other hand, the housing sections 3, 4 enclose the sensor module 9 in a form-fitting manner. In this way, in particular, the sensor module 9 is secured against rotation about the longitudinal axis 10 .
  • connection sections 42, 43 which can be designed as Luer connections, at both ends of the channel body 11 .
  • the module assembly 1 is now ready for use and both a flow of fluid through the flow channel 10a and a quantity of bubbles that may be carried along with the fluid can be measured using the sensors 12 and 29, controlled by the respective electronic units 15 and 31.
  • the corresponding measurement data are then recorded via the respective electronic units 15, 31, stored, processed and output to the external device via the respective interfaces.
  • a corresponding signal in particular a warning signal, can also be output via the display unit 19.
  • the need to replace the sensor module 9 is indicated via a corresponding display.
  • the housing cover section 4 is then opened and into the open position spent according to Fig. 2.
  • the used sensor module 9 can then be removed and exchanged for a sensor module that is still unused or for a refurbished one.

Landscapes

  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Medicine (AREA)
  • Electromagnetism (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Un ensemble modulaire de capteur de débit médical (1) fait partie d'un dispositif de surveillance de patient et/ou de soin de patient. Un module de détection (9) simple d'utilisation comporte un corps de canal (11) pourvu d'un canal d'écoulement (10a). Un capteur de débit (12) sert à mesurer un débit de fluide à travers le canal d'écoulement (10a). Une interface de capteur de débit (13) est reliée en termes de transmission de signaux au capteur de débit (12). Un module de boîtier (2) réutilisable de l'ensemble modulaire sert à recevoir le module de détection (9). Le module de boîtier (2) comporte au moins une unité électronique (15, 31) et une interface d'unité électronique (14) par l'intermédiaire de laquelle l'unité électronique (15) est reliée en termes de transmission de signaux à l'interface de capteur de débit (13). Le module de boîtier (2) comporte au moins deux parties de boîtier (3, 4) qui entourent le module de détection (9) par complémentarité de forme. On obtient ainsi un module dont l'utilisation s'avère rentable.
EP22702637.4A 2021-01-20 2022-01-19 Ensemble modulaire de capteur de débit médical Pending EP4281140A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021200496.2A DE102021200496A1 (de) 2021-01-20 2021-01-20 Medizinische Durchflusssensor-Modulbaugruppe
PCT/EP2022/051123 WO2022157192A1 (fr) 2021-01-20 2022-01-19 Ensemble modulaire de capteur de débit médical

Publications (1)

Publication Number Publication Date
EP4281140A1 true EP4281140A1 (fr) 2023-11-29

Family

ID=80218537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22702637.4A Pending EP4281140A1 (fr) 2021-01-20 2022-01-19 Ensemble modulaire de capteur de débit médical

Country Status (6)

Country Link
US (1) US20240139414A1 (fr)
EP (1) EP4281140A1 (fr)
JP (1) JP2024510366A (fr)
CN (1) CN116801929A (fr)
DE (1) DE102021200496A1 (fr)
WO (1) WO2022157192A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1418181A (en) * 1973-02-27 1975-12-17 Cole E M Ultrasonic detection of inclusions in a fluid flowing within a tube
US4881413A (en) * 1988-10-31 1989-11-21 Bio-Medicus, Inc. Blood flow detection device
DE10209254B4 (de) 2002-02-27 2004-07-29 SONOTEC Dr. zur Horst-Meyer & Münch oHG Ultraschalleinrichtung zur Detektion von Gasblasen
DE10209255B4 (de) 2002-02-27 2004-03-25 SONOTEC Dr. zur Horst-Meyer & Münch oHG Ultraschalleinrichtung
EP2107347B1 (fr) 2008-04-04 2016-08-31 Sensirion AG Détecteur de flux avec boîtier
US8784367B2 (en) 2008-07-08 2014-07-22 Koninklijke Philips N.V Sensor and control unit for flow control and a method for controlled delivery of fluid
US9016137B2 (en) 2012-05-15 2015-04-28 Sonotec Ultraschallsenosorik Halle Gmbh Device for the contactless flow measurement of fluids in flexible tubes
DE102012111757B4 (de) 2012-12-04 2022-05-19 Sartorius Stedim Biotech Gmbh Vorrichtung zur Durchflussmessung in Schlauch- und/oder Kunststoffrohrsystemen
EP2813845B1 (fr) 2013-06-11 2018-07-11 Sonotec Ultraschallsensorik Halle GmbH Dispositif de détection de bulles de gaz avec deux émetteurs ultraacoustiques reliés à un générateur de signaux ultraacoustiques
AU2016317586B2 (en) * 2015-08-28 2018-11-15 Crisi Medical Systems, Inc. Flow sensor system with connection assembly
JP7253551B2 (ja) 2017-08-14 2023-04-06 ハーン－シッカート－ゲゼルシャフト フュア アンゲヴァンテ フォアシュング アインゲトラーゲナー フェライン 呼吸空気の呼気ｃｏ２濃度を決定するためのガスセンサ

Also Published As

Publication number Publication date
US20240139414A1 (en) 2024-05-02
JP2024510366A (ja) 2024-03-07
WO2022157192A1 (fr) 2022-07-28
DE102021200496A1 (de) 2022-07-21
CN116801929A (zh) 2023-09-22

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