CN115154782A - Respiratory circulation support device - Google Patents

Respiratory circulation support device Download PDF

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Publication number
CN115154782A
CN115154782A CN202210797555.8A CN202210797555A CN115154782A CN 115154782 A CN115154782 A CN 115154782A CN 202210797555 A CN202210797555 A CN 202210797555A CN 115154782 A CN115154782 A CN 115154782A
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China
Prior art keywords
unit
interface
mechanical ventilation
ventilation
negative pressure
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CN202210797555.8A
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Chinese (zh)
Inventor
黄余红
任文
李靖
章冬华
戴钧
张晨
杨云江
刘国帅
刘万鹏
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Cssc Haishen Medical Technology Co ltd
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Cssc Haishen Medical Technology Co ltd
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Priority to CN202210797555.8A priority Critical patent/CN115154782A/en
Publication of CN115154782A publication Critical patent/CN115154782A/en
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    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0045—Means for re-breathing exhaled gases, e.g. for hyperventilation treatment
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A61M16/0841—Joints or connectors for sampling
    • A61M16/085—Gas sampling
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1045—Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/1065—Filters in a path in the expiratory path
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/22—Carbon dioxide-absorbing devices ; Other means for removing carbon dioxide
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • 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
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/005—Parameter used as control input for the apparatus
    • 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
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/40—Respiratory characteristics
    • A61M2230/42—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
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/40—Respiratory characteristics
    • A61M2230/43—Composition of exhalation

Abstract

The invention discloses a respiratory circulation support device which is arranged in first-aid transfer wounded personnel treatment equipment. The respiratory circulation supporting device comprises a body, wherein a mechanical ventilation unit, a negative pressure suction unit, a ventilation circulation unit, a heating and humidifying unit, a control unit and a power supply unit are arranged in the body. Wherein, the control unit is respectively electrically connected with the mechanical ventilation unit, the negative pressure suction unit, the ventilation circulation unit, the heating and humidifying unit and the power supply unit. The control unit is used for setting system parameters to adjust and control the tidal volume, the ventilation frequency and the oxygen concentration of the negative pressure suction unit and the mechanical ventilation unit. Wherein, the ventilation circulation unit is used for collecting the gas exhaled by the patient and recycling the gas after treatment. Therefore, the respiratory circulation support device has a simple and reasonable structure, meets the requirement of 'continuous and uninterrupted' high-quality life support for wounded persons under extreme natural disaster conditions through integrated and modularized integrated design, and improves the treatment efficiency of severe patients.

Description

Respiratory circulation support device
Technical Field
The invention relates to the technical field of medical equipment, in particular to a respiratory circulation support device.
Background
The first reason why the casualty rate is high is that the treatment is not timely, how to rescue more casualties in a short time becomes a difficult problem in the field of first aid, the patients keep breathing unblocked, and the patients are seriously stressed by taking enough oxygen to maintain the metabolism of each organ tissue.
However, under extreme natural disaster conditions, patients face poisoning, drowning, shock and other conditions, and cannot meet their own needs by their own breathing functions, and at this time, the patients need to be rescued by the aid of auxiliary ventilation equipment. However, the current clinical relevant equipment has single function and low integration and integration degree, cannot meet the life support of severe patients, and the current relevant equipment is simply superposed or stacked, so that the system tends to be heavy, cannot meet the functional requirements of mechanical ventilation, heating and humidification, respiratory cyclic utilization and airway suction portability integration of critically ill patients under extreme natural disaster conditions, and is inconvenient to carry and use. Under extreme natural disaster conditions, oxygen belongs to a scarce article, and the full utilization of the oxygen cannot be met in the mechanical ventilation process.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a respiratory circulation support device which is simple and reasonable in structure, meets the requirement of 'continuous and uninterrupted' high-quality life support for wounded persons under extreme natural disaster conditions through an integrated and modularized integrated design, and improves the treatment efficiency of severe patients.
In order to achieve the above object, the present invention provides a respiratory cycle support apparatus installed in first aid transfer wounded person treatment equipment. The respiratory circulation supporting device comprises a body, wherein a mechanical ventilation unit, a negative pressure suction unit, a ventilation circulation unit, a heating and humidifying unit, a control unit and a power supply unit are arranged in the body. Wherein, the control unit is respectively and electrically connected with the mechanical ventilation unit, the negative pressure suction unit, the ventilation circulation unit, the heating and humidifying unit and the power supply unit. The control unit is used for setting system parameters to adjust and control the tidal volume, the ventilation frequency and the oxygen concentration of the negative pressure suction unit and the mechanical ventilation unit. Wherein, the ventilation circulating unit is used for collecting the gas exhaled by the patient and recycling the gas after treatment. Wherein, the heating and humidifying unit is used for heating and humidifying the mixed gas and then outputting the mixed gas to the patient end for mechanical ventilation. Wherein, the air inlet, the air flue pressure sampling port, the air flue flow sampling port, the mechanical ventilation gas outlet, the heating and humidifying power supply interface of breathing, the ordinary pressure oxygen source interface, the high pressure oxygen source interface and the last carbon dioxide interface of breathing of mechanical ventilation unit all set up on the lateral surface of body. Wherein, the negative pressure suction interface of the negative pressure suction unit is arranged on the outer side surface of the body.
In one embodiment of the invention, the air intake is used as a mechanical ventilation unit turbine intake. The airway pressure sampling port is used for collecting and detecting airway pressure values in real time. The mechanical ventilation air outlet is used for being connected with the airway of a patient to output air/oxygen for mechanical ventilation. The breathing heating and humidifying power supply interface is used as a water collecting box to provide power. The end-breath carbon dioxide interface is used for sampling inspection or monitoring real-time end-breath CO in the expired air of a patient in real time 2 Concentration, respiration rate, inspiration time, and expiration time, while being able to monitor airway pressure obstruction. The normal pressure oxygen source interface is used for connecting a normal pressure oxygen source and providing breathing and oxygen supply for a patient. The high-pressure oxygen source interface is used for connecting a high-pressure oxygen source and providing breathing and oxygen supply for a patient. And the air passage flow sampling port is used for monitoring and acquiring the air flow in the air passage in real time.
In an embodiment of the present invention, the negative pressure suction port is connected to the ventilation circulation unit through a first breathing pipeline, and the ventilation circulation unit is connected to the mechanical ventilation unit through a second breathing pipeline.
In an embodiment of the present invention, the breathing circulation support device further includes an oxygen cylinder fixed to the outer side of the body by a fixing bracket.
In an embodiment of the present invention, the control unit is electrically connected to the first aid transporting wounded person treatment device, and the control unit is configured to transmit parameter setting information of the mechanical ventilation unit, the negative pressure suction unit, the breathing circulation unit and the heating and humidifying unit to the first aid transporting wounded person treatment device, monitor patient state feedback information, and function setting information.
In one embodiment of the present invention, when an abnormal condition occurs, the control unit can drive the speaker and the alarm prompting lamp to automatically send out an audible and visual alarm signal, and medical staff can set system parameters through a display screen or keys.
In one embodiment of the invention, the control interface of the control unit is used to control the device and to transmit data. The power interface of the power supply unit is used for connecting the equipment with external alternating current to supply power to the equipment. The negative pressure suction interface is used for connecting an airway suction pipeline and cleaning foreign matters in the airway of a patient. The body is also provided with a standby interface which is a reserved interface and provides a foundation for the upgrading function of subsequent equipment.
Compared with the prior art, the respiratory circulation support device has a simple and reasonable structure, meets the requirement of 'continuous and uninterrupted' high-quality life support for the wounded under extreme natural disaster conditions through integrated and modularized integrated design, and improves the treatment efficiency for severe patients.
Drawings
FIG. 1 is a schematic top view of a respiratory cycle support apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic bottom view of a respiratory cycle support apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic front view of a respiratory cycle support apparatus according to an embodiment of the present invention mounted on an emergency transfer victim treatment apparatus;
FIG. 4 is a perspective view of an emergency transport injured person treatment rig according to an embodiment of the present invention mounted thereon;
FIG. 5 is a schematic line block diagram illustration of an emergency transport injured person treatment apparatus according to one embodiment of the present invention;
fig. 6 is a schematic view showing connection of respective units of the first aid transfer victim rescue equipment according to an embodiment of the present invention.
Description of the main reference numbers:
the device comprises a body 1, a control unit 2, a power supply unit 3, a first breathing pipeline 4, a second breathing pipeline 5, a ventilation circulation unit 6, a mechanical ventilation unit 7, an oxygen bottle 8, a negative pressure suction unit 9, an air inlet 10, an airway pressure sampling port 11, an airway flow sampling port 12, a mechanical ventilation air outlet 13, a respiratory heating and humidifying power supply interface 14, an atmospheric pressure oxygen source interface 15, a high-pressure oxygen source interface 16, a carbon dioxide at the end of breath interface 17, a negative pressure suction interface 18, a fixed support 19, a switch 20, a communication interface 21 and a heating and humidifying unit 22.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a schematic top view of a respiratory cycle support apparatus according to an embodiment of the present invention. Fig. 2 is a schematic bottom view of a respiratory cycle support apparatus according to an embodiment of the present invention. Fig. 3 is a front view schematically showing a configuration in which a respiratory cycle support apparatus according to an embodiment of the present invention is mounted on first-aid transfer wounded relief equipment. Fig. 4 is a schematic perspective view of the first aid transporting wounded rescue equipment according to an embodiment of the present invention mounted on the first aid transporting wounded rescue equipment. Fig. 5 is a schematic wire frame diagram of an emergency transfer victim treatment apparatus according to an embodiment of the present invention. Fig. 6 is a schematic view showing connection of respective units of the first aid transfer victim rescue equipment according to an embodiment of the present invention.
As shown in fig. 1 to 6, a respiratory cycle support apparatus according to a preferred embodiment of the present invention is installed in an emergency transfer wounded rescue equipment. The respiratory circulation supporting device comprises a body 1, wherein a mechanical ventilation unit 7, a negative pressure suction unit 9, a ventilation circulation unit 6, a warming and humidifying unit 22, a control unit 2 and a power supply unit 3 are arranged in the body 1. Wherein, the control unit 2 is respectively electrically connected with the mechanical ventilation unit 7, the negative pressure suction unit 9, the ventilation circulation unit 6, the warming and humidifying unit 22 and the power supply unit 3. The control unit 2 is used for setting system parameters to adjust and control the tidal volume, ventilation frequency and oxygen concentration of the negative pressure suction unit 9 and the mechanical ventilation unit 7. Wherein, the ventilation circulation unit 6 is used for collecting the gas exhaled by the patient and recycling the gas after treatment. The heating and humidifying unit 22 is used for heating and humidifying the mixed gas, and outputting the mixed gas to the patient end for mechanical ventilation. Wherein, the air inlet 10, the airway pressure sampling port 11, the airway flow sampling port 12, the mechanical ventilation air outlet 13, the breathing heating and humidifying power supply interface 14, the normal pressure oxygen source interface 15, the high pressure oxygen source interface 16 and the breathing end carbon dioxide interface 17 of the mechanical ventilation unit 7 are all arranged on the outer side surface of the body 1. Wherein, the negative pressure suction port 18 of the negative pressure suction unit 9 is arranged on the outer side surface of the body 1.
In one embodiment of the invention, the air intake 10 is used for turbo intake of the mechanical ventilation unit 7. The airway pressure sampling port 11 is used for collecting and detecting airway pressure values in real time. The mechanical ventilation air outlet 13 is used for connecting with the airway of a patient, outputting air/oxygen, performing mechanical ventilation, recovering gas exhaled by the patient, and recycling the gas after being processed by the reloading device. The respiratory heating and humidifying power supply interface 14 is used for providing power supply for the water collecting box. End-of-breath carbon dioxide interface 17 for spot-checking or real-time monitoring of real-time end-of-breath CO in patient expired gas 2 Concentration, respiration rate, inspiration time and expiration time, and at the same time, the airway pressure obstruction can be monitored. The atmospheric pressure oxygen source interface 15 is used for connecting an atmospheric pressure oxygen source to provide breathing and oxygen supply for a patient. The hyperbaric oxygen source interface 16 is used to connect a hyperbaric oxygen source for providing respiratory oxygen to the patient. And airway flow sampling port 12 for real-time monitoring of the flow of gas within the collecting airway.
In one embodiment of the present invention, the negative pressure suction port 18 is connected to the ventilatory circulation unit 6 through the first breathing circuit 4, and the ventilatory circulation unit 6 is connected to the mechanical ventilatory unit 7 through the second breathing circuit 5.
In one embodiment of the present invention, the respiratory cycle support apparatus further comprises an oxygen cylinder 8 fixed to the outside of the body 1 by a fixing bracket 19.
In one embodiment of the present invention, the control unit 2 is electrically connected to the first aid transporting injured person treatment equipment, and the control unit 2 is configured to transmit the parameter setting information of the mechanical ventilation unit 7, the negative pressure suction unit 9, the breathing circulation unit and the warming and humidifying unit 22 to the first aid transporting injured person treatment equipment, and monitor the feedback information of the patient status and the function setting information.
In an embodiment of the present invention, when an abnormal condition occurs, the control unit 2 can drive the speaker and the alarm lamp to automatically send out an acousto-optic alarm signal, and medical staff can set system parameters through a display screen or a key.
In one embodiment of the invention, the control interface of the control unit 2 is used to control the devices and to transfer data. The power interface of the power supply unit 3 is used for connecting the equipment with external alternating current to supply power to the equipment. The negative pressure suction interface 18 is used for connecting an airway suction pipeline to clean foreign matters in the airway of a patient. The body 1 is also provided with a standby interface which is a reserved interface and provides a foundation for the upgrading function of subsequent equipment.
In practical application, the respiratory circulation support device of the invention comprises a body 1, a mechanical ventilation unit 7, a negative pressure suction unit 9, a respiratory circulation unit, a heating and humidifying unit 22 and other functional units, which are controlled by a microcomputer (a control unit 2) and connected through a control interface. The power supply unit 3 is used for power management, wherein alternating current can support 100V-240V,50/60Hz wide adaptation.
The control unit 2 integrates the received signal data, stores and records the acquired signal data, and adjusts and controls the tidal volume, ventilation frequency, oxygen concentration and negative pressure suction unit 9 of the mechanical ventilation unit 7 to automatically absorb the airway foreign matters according to the set system parameters. The whole machine adopts the micro-turbine mechanical ventilation design, can be used for respiratory treatment, and meanwhile, the gas exhaled by the patient and collected by the built-in negative pressure device of the respiratory circulation unit enters the air-oxygen mixing device of the mechanical ventilation unit 7 through the absorption of carbon dioxide and water vapor, and is ventilated for the patient after being mixed with a fresh gas source (oxygen) input by a gas source interface, so that the gas can be recycled. The negative pressure suction unit 9 can perform suction operation on the airway of the patient by using an internal negative pressure device, and is combined with the mechanical ventilation unit 7 to complete a whole set of respiratory treatment.
The heating and humidifying unit 22 heats and humidifies the output mixed gas by heating and controlling the water collecting device in the body 1, so that the discomfort of drying, bleeding and the like of the oral or nasal mucosa caused by long-term blowing is effectively relieved, and the heating range can be adjusted between 30 ℃ and 50 ℃. When abnormal conditions occur, the control system can drive the loudspeaker and the alarm prompting lamp to automatically send out acousto-optic alarm signals.
As shown in fig. 1, the control unit 2 adjusts and controls the tidal volume, ventilation frequency and oxygen concentration of the negative pressure suction unit 9 and the mechanical ventilation unit 7 by using the set system parameters; the power supply unit 3 is used for power supply management, wherein alternating current can support wide adaptation of 100V-240V and 50/60 Hz; the breathing pipeline is used for connecting an internal gas circuit of the mechanical ventilation unit 7; the ventilation circulation unit 6 is used for collecting the gas exhaled by the patient and recycling the gas after treatment; the mechanical ventilation unit 7 realizes mechanical ventilation operation on the patient by setting technical parameters such as tidal volume, ventilation frequency, oxygen concentration and the like; the oxygen cylinder 8 is used for storing the high-pressure oxygen and can provide the high-pressure oxygen required by mechanical ventilation during the transportation process; the negative pressure suction unit 9 can perform airway suction operation on a patient by using an internal negative pressure device, and is combined with the mechanical ventilation unit 7 to complete a whole set of respiratory treatment.
As shown in FIG. 2, the aeration circulation unit 6 is installed in a position for installing a carbon dioxide adsorption tank for fixing the aeration circulation unit 6 and absorbing CO in the gas 2 And water, then the gas enters an air-oxygen mixing device of the mechanical ventilation unit 7, and is mixed with a fresh gas source (oxygen) input by a gas source interface to ventilate a patient, so that the gas is recycled.
As shown in fig. 3, the air inlet 10 of the mechanical ventilation unit 7 is used for air suction and filtration; the flow sampling interface of the mechanical ventilation unit 7 is used for monitoring and feeding back the gas flow in the breathing pipeline; an airway pressure sampling interface of the mechanical ventilation unit 7 is used for monitoring and feeding back the internal gas pressure of the breathing pipeline; the end-tidal carbon dioxide interface 17 of the mechanical ventilation unit 7 is used for connecting an end-tidal carbon dioxide sensor and measuring the concentration of carbon dioxide at the end of breath of the patient; the mechanical ventilation air outlet 13 of the mechanical ventilation unit 7 is used for performing mechanical ventilation operation on the patient according to the set ventilation volume, ventilation frequency and related ventilation parameters; the breathing heating and humidifying power supply interface 14 of the mechanical ventilation unit 7 supplies power to an externally-hung humidifier to heat and humidify mechanical ventilation, so that the comfort of ventilation operation is optimized; the normal pressure oxygen source interface 15 of the mechanical ventilation unit 7 is used for connecting equipment for providing a normal pressure oxygen source, providing breathing oxygen supply for a patient, and the normal pressure oxygen source refers to a conventional oxygen generator with the pressure range of 0.03-0.1MPa and the like; the high-pressure oxygen source interface 16 of the mechanical ventilation unit 7 is used for connecting equipment for providing a high-pressure oxygen source, and providing breathing oxygen supply for a patient, wherein the high-pressure oxygen source refers to a conventional oxygen bottle 8 with the pressure range of 0.28-0.6MPa, central oxygen supply and the like; the equipment can be suitable for oxygen source supply with various specifications and pressures, and a quick-plug structure is designed at the interface for quick plug-in. The negative pressure suction port 18 is used for supplying a pressure required for the negative pressure suction operation, and can recycle the gas exhaled by the patient after being processed by the recovery device.
As shown in fig. 4, the fixing bracket 19 is used for fixing the equipped high-pressure oxygen cylinder 8 through the locking device, so as to ensure that the oxygen cylinder 8 is fixed on the body 1 and cannot fall off in the transportation process; the switch 20 of the oxygen cylinder 8 is used for opening the passage of the oxygen cylinder 8 and adjusting the pressure of the high-pressure oxygen output.
As shown in figure 5, the breathing circulation supporting device can adapt to two air sources of air and oxygen, after oxygen or air enters the air source assembly, the oxygen or air enters the main air path through the pressure reducing valve and the one-way valve, the pressure reducing valve reduces proper pressure, the one-way valve avoids the influence of air backflow on the stability of the air path, and meanwhile, the pressure sensor is used for monitoring the pressure of the air path, so that the mechanical ventilation operation caused by overhigh pressure or overlow pressure is avoided.
The control unit 2 controls the operation of the turbofan, when the patient end only needs gas with 21% oxygen concentration, the control unit opens one path of electromagnetic valve of the air source, after turbocharging, the control unit outputs the set values according to the set tidal volume, breathing frequency, breathing ratio and gas pressure to the heating and humidifying unit for heating and humidifying, and then carries out mechanical ventilation operation on the patient; if the patient needs oxygen concentration gas with different gears of 21-100%, the control unit controls the electromagnetic valve, opens one air passage of the oxygen source, controls the proportion of the turbo fan and the input oxygen concentration according to the set numerical values of tidal volume, respiratory frequency, breathing ratio, oxygen concentration, gas pressure and the like, outputs the gas to the heating and humidifying unit for heating and humidifying, and then performs mechanical ventilation operation on the patient.
The mechanical ventilation unit 7 is transmitted to the driving turbine fan through a PWM signal, closed-loop control is carried out through a feedback value of a sensor, and a high-precision PID control algorithm is adopted for controlling the turbine fan in design. The stepping motor is used for controlling the proportional valve creatively, so that the on-off of the air source of the main ventilation air circuit at a certain moment is determined, the operations such as tidal volume, respiratory frequency and the like are accurately controlled, and the ventilation action of the machine at a certain moment is further determined.
The respiratory circulation supporting device is composed of a main turbine fan (a mechanical ventilation unit 7), a control unit 2, a warming and humidifying unit 22, a ventilation circulation unit 6 and a negative pressure suction unit 9, and works in an electric and electronic control mode. The tidal volume is (200 mL-1500 mL) +/-15% and is continuously adjustable, the frequency is 8-40 times/min, the oxygen concentration of air-oxygen mixed output is 21% -100%, the positive expiratory pressure is 0-30 cmH2O, the rated flow rate can reach 120L/min, and a low-pressure oxygen source of 0.03-0.1MPa and a high-pressure oxygen source of 0.28-0.6MPa are supported. Designs have controlled, assisted, SIMPV, CPAP and asphyxia ventilation modes.
Meanwhile, the gas exhaled by the patient returns to the ventilation circulating unit 6 from the connected breathing pipeline, the control unit 2 sends an electric signal to the electromagnetic valve of the ventilation circulating unit to control the on-off of the ventilation pipeline, and the gas entering the ventilation pipeline passes through the adsorption tank and carries out CO (carbon monoxide) treatment on the gas 2 And water are adsorbed and filtered, then the gas reenters the main gas path to be mixed with fresh gas, and the mixed gas is reused for mechanical ventilation operation of the patient to form circulating respiration.
Simultaneously, the turbofan can produce the negative pressure during operation, adjusts the power of turbine operation through the control unit 2, realizes the change of negative pressure size, and the negative pressure of production passes through the gas circuit and is connected to patient's sick affected part, realizes the negative pressure suction operation to patient's sick affected part.
As shown in fig. 6, the control unit 2 is electrically connected to the power supply unit 3, the vacuum suction unit 9, the mechanical ventilation unit 7, and each communication interface 21. The mechanical ventilation unit 7 is connected with the warming and humidifying unit 22, and the warming and humidifying unit 22 is used for a patient.
After the wounded person is wounded in a battle field, large medical facilities and rescue vehicles cannot arrive in time due to complex field environment, the rescue person can carry the breathing circulation supporting device to arrive at the field at the first time, the system is provided with a mechanical ventilation unit 7, a negative pressure suction unit 9, a ventilation circulation unit 6, a heating and humidifying unit 22 and other functional modules, the negative pressure suction unit 9 can suck foreign matters in an air passage of the suffocated wounded person, the air passage is opened, and the air passage is kept smooth; the wounded are subjected to respiratory resuscitation through the mechanical ventilation unit 7; the heating and humidifying unit 22 is matched with the mechanical ventilation unit 7 to heat and humidify the output gas, so that the comfort of the patient is improved; the hanging device can be quickly hung on two sides of the stretcher from a disaster site to a rear treatment mechanism, and continuous and uninterrupted life support is realized in the wounded transferring process.
In a word, the respiratory circulation support device has a simple and reasonable structure, meets the requirement of 'continuous and uninterrupted' high-quality life support for the wounded under the condition of extreme natural disasters through the integrated and modularized integrated design, and improves the treatment efficiency of the severe patients.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (7)

1. The utility model provides a respiratory cycle support device installs in first aid transportation wounded's rescue equipment which characterized in that includes: the device comprises a body, wherein a mechanical ventilation unit, a negative pressure suction unit, a ventilation circulating unit, a heating and humidifying unit, a control unit and a power supply unit are arranged in the body;
the control unit is electrically connected with the mechanical ventilation unit, the negative pressure suction unit, the ventilation circulation unit, the heating and humidifying unit and the power supply unit respectively;
the control unit is used for setting system parameters to adjust and control the tidal volume, ventilation frequency and oxygen concentration of the negative pressure suction unit and the mechanical ventilation unit;
the ventilation circulating unit is used for collecting gas exhaled by a patient and recycling the gas after treatment;
the heating and humidifying unit is used for heating and humidifying the mixed gas and outputting the mixed gas to a patient end for mechanical ventilation;
the air inlet, the airway pressure sampling port, the airway flow sampling port, the mechanical ventilation air outlet, the respiratory heating and humidifying power supply interface, the normal-pressure oxygen source interface, the high-pressure oxygen source interface and the respiratory final carbon dioxide interface of the mechanical ventilation unit are all arranged on the outer side face of the body;
wherein, the negative pressure suction interface of the negative pressure suction unit is arranged on the outer side surface of the body.
2. The respiratory cycle support apparatus according to claim 1,
the air inlet is used for turbine air inlet of the mechanical ventilation unit;
the air passage pressure sampling port is used for collecting and detecting air passage pressure values in real time;
the mechanical ventilation air outlet is used for being connected with an airway of a patient, outputting air/oxygen and performing mechanical ventilation;
the breathing heating and humidifying power supply interface is used as a water collecting box to provide power;
the end-tidal carbon dioxide interface is used for sampling inspection or monitoring real-time end-tidal CO in exhaled gas of a patient in real time 2 Concentration, respiration rate, inspiration time and expiration time, and can monitor airway pressure blockage;
the normal-pressure oxygen source interface is used for connecting a normal-pressure oxygen source and providing breathing and oxygen supply for a patient;
the high-pressure oxygen source interface is used for connecting a high-pressure oxygen source and providing breathing and oxygen supply for a patient; and
the air passage flow sampling port is used for monitoring and acquiring the air flow in the air passage in real time.
3. The respiratory cycle support apparatus according to claim 1, wherein the negative pressure suction interface is connected to the ventilatory circulation unit through a first respiratory circuit and the ventilatory circulation unit is connected to the mechanical ventilatory unit through a second respiratory circuit.
4. The respiratory cycle support apparatus according to claim 1 further comprising an oxygen cylinder fixedly attached to the outside of said body by a mounting bracket.
5. The respiratory circulation support apparatus according to claim 1, wherein the control unit is electrically connected to an emergency transfer victim treatment device, and the control unit is configured to transmit parameter setting information of the mechanical ventilation unit, the negative pressure suction unit, the respiratory circulation unit, and the warming and humidifying unit, monitor patient status feedback information, and function setting information to the emergency transfer victim treatment device.
6. The respiratory cycle support apparatus according to claim 5, wherein the control unit drives the speaker and the alarm signal lamp to automatically generate an audible and visual alarm signal when an abnormal condition occurs, and the medical staff can set system parameters through a display screen or keys.
7. The respiratory cycle support apparatus according to claim 1,
the control interface of the control unit is used for controlling equipment and transmitting data;
the power supply interface of the power supply unit is used for connecting the equipment with external alternating current and supplying power to the equipment;
the negative pressure suction interface is used for connecting an airway suction pipeline and cleaning foreign matters in the airway of the patient;
the body is also provided with a standby interface which is a reserved interface and provides a foundation for the upgrading function of subsequent equipment.
CN202210797555.8A 2022-07-08 2022-07-08 Respiratory circulation support device Pending CN115154782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210797555.8A CN115154782A (en) 2022-07-08 2022-07-08 Respiratory circulation support device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210797555.8A CN115154782A (en) 2022-07-08 2022-07-08 Respiratory circulation support device

Publications (1)

Publication Number Publication Date
CN115154782A true CN115154782A (en) 2022-10-11

Family

ID=83490341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210797555.8A Pending CN115154782A (en) 2022-07-08 2022-07-08 Respiratory circulation support device

Country Status (1)

Country Link
CN (1) CN115154782A (en)

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Inventor after: Huang Yuhong

Inventor after: Liu Wanpeng

Inventor after: Ren Wen

Inventor after: Li Jing

Inventor after: Zhang Donghua

Inventor after: Chen Yunyun

Inventor after: Dai Jun

Inventor after: Zhang Chen

Inventor after: Yang Yunjiang

Inventor after: Liu Guoshuai

Inventor before: Huang Yuhong

Inventor before: Ren Wen

Inventor before: Li Jing

Inventor before: Zhang Donghua

Inventor before: Dai Jun

Inventor before: Zhang Chen

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Inventor before: Liu Wanpeng