CN107308531A - Lung ventilator and its multifunctional ceiling air valve - Google Patents
Lung ventilator and its multifunctional ceiling air valve Download PDFInfo
- Publication number
- CN107308531A CN107308531A CN201710676197.4A CN201710676197A CN107308531A CN 107308531 A CN107308531 A CN 107308531A CN 201710676197 A CN201710676197 A CN 201710676197A CN 107308531 A CN107308531 A CN 107308531A
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- CN
- China
- Prior art keywords
- air flue
- pressure
- air
- inspiration
- diaphragm
- 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.)
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Classifications
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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
-
- 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
- A61M16/20—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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
Abstract
The invention discloses a kind of lung ventilator and its multifunctional ceiling air valve, including air-breathing valve body and mounting seat, air-breathing valve body is arranged in mounting seat, and air-breathing valve body includes：Main airway, bypass air flue, pressure of inspiration(Pi) regulation air flue, main airway diaphragm, bypass air flue diaphragm and pressure of inspiration(Pi) regulation diaphragm；Mounting seat includes actuator, and actuator is fixed in mounting seat, and main airway diaphragm is installed in main airway；Air flue diaphragm arrangement is bypassed in bypass air flue；Actuator includes pressure of inspiration(Pi) regulation and air flue and switches actuator, and pressure of inspiration(Pi) regulation actuator is used to control pressure of inspiration(Pi) to adjust diaphragm closing and/or open；Air flue switching actuator control bypass air flue diaphragm is closed and/or opened；Bypass the top that air flue diaphragm arrangement switches actuator in air flue；Pressure of inspiration(Pi) regulation diaphragm is arranged at the top that pressure of inspiration(Pi) adjusts actuator.The invention also discloses a kind of lung ventilator.The present invention can realize the integrated invasive breathing pattern of lung ventilator and noninvasive breathing pattern, convenient and swift.
Description
Technical field
The present invention relates to a kind of Medical Devices, especially a kind of lung ventilator and its multifunctional ceiling air valve.
Background technology
Lung ventilator is a kind of device for the normal physiologic respiration that can replace, control or change people, is usually used to increase patient
Pulmonary ventilation volume, improve patient respiratory function, mitigate breathing power consumption, save patient heart reservation ability.And air-breathing
Valve is the essential element of lung ventilator, and the interface of air-breathing source of the gas is provided often as patient breaths.The upstream of inlet valve often with suction
Airflow volume control system is connected, and downstream is connected with breathing apparatus, such as breathing pipeline, humidification machine etc..Inlet valve has air-breathing concurrently simultaneously
Pressure adjusting function, it can receive the instruction from Ventilator Control System, and control pressure of inspiration(Pi) regulation diaphragm is turned off or on,
Prevent the actual pressure of inspiration(Pi) of air-channel system from pressure value, protection patient breaths' safety are set beyond breathing machine host.
However, in existing inlet valve only one of which main airway be only used for patient suction gas, when patient exhalation air without
Method is by the air flue, and therefore, existing this inlet valve is only applicable to the invasive breathing pattern of double branch breathing pipelines, and does not apply to
In the noninvasive breathing pattern of single branch breathing pipeline, thus it can not accomplish that both are compatible, so causing lung ventilator in the market
There is point of invasive respirator and noninvasive ventilator.
, being capable of integrated invasive breathing pattern and nothing based on this, it is necessary to design a kind of lung ventilator and its multifunctional ceiling air valve
Breathing pattern is created, conveniently can be used for patient.
The content of the invention
It is a primary object of the present invention to provide a kind of lung ventilator and its multifunctional ceiling air valve, it is intended to realize that lung ventilator is integrated
Invasive breathing pattern and noninvasive breathing pattern, conveniently can be used for patient.
To achieve the above object, the invention provides a kind of multifunctional ceiling air valve, the multifunctional ceiling air valve includes air-breathing
Valve body and mounting seat, the air-breathing valve body are arranged in the mounting seat, and the air-breathing valve body includes：Main airway, side
Road air flue, pressure of inspiration(Pi) regulation air flue, main airway diaphragm, bypass air flue diaphragm and pressure of inspiration(Pi) regulation diaphragm；The mounting seat bag
Actuator is included, the actuator is fixed in mounting seat, wherein：
The main airway diaphragm is installed in the main airway；
The bypass air flue diaphragm arrangement is in the bypass air flue；
The actuator includes the pressure of inspiration(Pi) and adjusts actuator and air flue switching actuator, the pressure of inspiration(Pi) regulation
Actuator is used to control pressure of inspiration(Pi) to adjust diaphragm closing and/or open pressure of inspiration(Pi) regulation air flue；The air flue switches actuator control
Bypass air flue is closed and/or opened to system bypass air flue diaphragm；
The bypass air flue diaphragm arrangement switches the top of actuator in air flue；
The pressure of inspiration(Pi) regulation diaphragm is arranged at the top that the pressure of inspiration(Pi) adjusts actuator.
Preferably, the air-breathing valve body also includes exhaust grille, and the exhaust grille is used for the gas for preventing that patient from breathing out
Body is discharged into inside lung ventilator and polluted.
Preferably, the pressure of inspiration(Pi) regulation air flue is connected for extending to the exhaust grille with external environment condition.
Preferably, the mounting seat is fixed in frame by modes such as screw fastening or clampings.
Preferably, the quantity of the bypass air flue is at least one.
Preferably, the air-breathing valve body also includes the first spring, the air flue switching actuator and bypass air flue diaphragm
Connected by first spring.
Preferably, the air-breathing valve body also includes second spring.
In addition, to achieve the above object, the present invention also provides a kind of lung ventilator, the lung ventilator includes multi-functional air-breathing
Valve, the lung ventilator also includes filter, pressure sensor and control panel, wherein：
The filter is arranged on the exhaust grille；
The pressure sensor is arranged at the porch of the main airway, the airway pressure of the porch for detecting main airway
Power；
The control panel be used to controlling pressure of inspiration(Pi) regulation actuator and air flue switching actuator unlatching and/
Or close.
Preferably, the lung ventilator also includes outlet.
Preferably, the lung ventilator also includes shift knob.
The present invention uses above-mentioned technical proposal, and the technique effect brought is：Realize the integrated invasive breathing pattern of lung ventilator
With noninvasive breathing pattern, conveniently it can be used for patient.
Brief description of the drawings
Fig. 1 is the structural representation of multifunctional ceiling air valve of the present invention；
Fig. 2 is the schematic diagram of gas circuit a of multifunctional ceiling air valve first embodiment of the present invention；
Fig. 3 is the schematic diagram of gas circuit b of multifunctional ceiling air valve second embodiment of the present invention；
Fig. 4 is multifunctional ceiling air valve expiratory mode schematic diagram c of the present invention；
Fig. 5 is the structural representation of lung ventilator of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
It is a primary object of the present invention to provide a kind of multifunctional ceiling air valve and lung ventilator.
Reference picture 1, in the present embodiment, the multifunctional ceiling air valve include air-breathing valve body 1 and mounting seat 2, described to inhale
Air valve main body is arranged in the mounting seat 2, and the air-breathing valve body includes：Main airway 10, bypass air flue 20, pressure of inspiration(Pi) regulation
Air flue 30, main airway diaphragm 101, bypass air flue diaphragm 201 and pressure of inspiration(Pi) regulation diaphragm 301；The mounting seat 2 includes driving
Part, the actuator is fixed in mounting seat 2, wherein：
The main airway diaphragm 101 is installed in the main airway 10；
The bypass air flue diaphragm 201 is arranged in the bypass air flue 20；
The pressure of inspiration(Pi) regulation diaphragm 301 is arranged in the pressure of inspiration(Pi) regulation air flue 30；
The actuator includes the pressure of inspiration(Pi) and adjusts actuator 212 and air flue switching actuator 211, the air-breathing
Pressure regulation actuator 212 is used to control pressure of inspiration(Pi) to adjust diaphragm closing and/or open pressure of inspiration(Pi) regulation air flue 30；The air flue is cut
Change the control bypass air flue of actuator 211 diaphragm 201 and close and/or open bypass air flue 20.
In the present embodiment, the air-breathing valve body also includes exhaust grille 40, the first spring 202 and second spring
302, the exhaust grille 40 is used to prevent the gas of patient's exhalation is discharged into inside machine from polluting machine inner body.Institute
State air flue switching actuator 211 and bypass air flue diaphragm 201 is connected by first spring 202.Specifically, the mounting seat
2 are used to be fixed on the pedestal in the frame of lung ventilator as this inlet valve, play the other components of constraint inlet valve, and
Fixed supporting role is played to air-breathing valve body.The air-breathing valve body can in mounting seat 2 Manual-disassembling.In addition, this implementation
In example, mounting seat 2 has installation cavity, after air-breathing valve body is installed in installation cavity, the appearance of installation cavity and air-breathing valve body
Face forms pressure of inspiration(Pi) regulation air flue 30.The pressure of inspiration(Pi) regulation air flue 30 is used to extend to the exhaust grille 40 and external environment condition
Connection.Mounting seat 2 can be fixed in frame by modes such as screw fastening or clampings.The quantity of the bypass air flue 20 is at least
One.
Specifically, the multifunctional ceiling air valve includes being provided with main airway 10, bypass on air-breathing valve body, air-breathing valve body
Air flue 20；In addition, being provided with main airway diaphragm 101 in main airway 10；Air flue switching actuator 211 is provided with bypass air flue 20
With bypass air flue diaphragm 201；Pressure of inspiration(Pi) regulation actuator 212 and pressure of inspiration(Pi) regulation diaphragm are provided with pressure of inspiration(Pi) regulation air flue 30
301.Pressure of inspiration(Pi) regulation air flue 30 is exhaust air flue, when the inlet pressure of main airway 10 exceedes default pressure threshold, the row
Gas air flue is used for the gas for mediating part main airway 10.The air flue switching actuator 211 and bypass air flue diaphragm 201 can also
Pass through connection otherwise other than springs；To meet, the pressure of inspiration(Pi) of air-breathing valve body 1 adjusts actuator 212 and air flue switching is driven
The need in the real work of moving part 211.
In the present embodiment, air flue switching actuator 211 is preferably air flue switching valve or air flue switching electronics
Body；Bypass air flue diaphragm 201 is arranged at the top that air flue switches actuator.Pressure of inspiration(Pi) regulation actuator 212 is preferably pressure of inspiration(Pi)
Regulating valve or pressure of inspiration(Pi) regulation driving electron；Likewise, pressure of inspiration(Pi) regulation diaphragm is arranged at pressure of inspiration(Pi) regulating valve
Top.The setting of main airway diaphragm 101 is realized the sky in source of the gas (source of the gas is not shown in Fig. 1) under invasive expiratory mode
Gas and/or oxygen complete patient's breathing process by main channel；Because noninvasive breathing pattern is the air flue using single-pipeline, thus
The breathing process and exhalation process of patient is all to use same air flue in noninvasive invasive respirator；
Reference picture 2 and the schematic diagram of gas circuit a that Fig. 4, Fig. 2 are multifunctional ceiling air valve first embodiment of the present invention；Fig. 4 is this hair
Bright multifunctional ceiling air valve expiratory mode schematic diagram c；In the first embodiment, main airway and bypass air flue composition parallel relationship, because
And when air flue switching actuator stops being powered, gas pushes main airway diaphragm 101 open through main airway 10, by source of the gas (source of the gas
It is not shown in Fig. 1) in air and/or oxygen deliver to patient, complete the process of air-breathing；Due to the breathing of normal human body
Journey includes breathing process and exhalation process, and breathing process and exhalation process are alternately present, and could meet exhaling for human normal
Suction demand.Specifically as shown in figure 3, after the process of air-breathing is completed, being initially located in exhalation process, air flue switching actuator starts
It is powered, because the gas (gas such as carbon dioxide) that patient breathes out can not push main airway diaphragm 101 open by main airway 10, only
Actuator can be switched by air flue to be powered, actuator could be switched by air flue and bypass air flue 20 discharges expiration, so that
Complete the process exhaled, realize either breathing process or exhalation process can be realized by main airway 10, when
When patient is exhaled, bypass air flue diaphragm 201 top is opened by controlling air flue to switch actuator, facilitates gas to enter bypass gas
In road 20, so that gas exhalation be gone by main airway 10.Therefore met by multifunctional ceiling air valve schematic diagram of gas circuit a setting
The need for the practical application of noninvasive breathing pattern or invasive breathing pattern.
Reference picture 3 and the schematic diagram of gas circuit b that Fig. 4, Fig. 3 are multifunctional ceiling air valve second embodiment of the present invention；Fig. 4 is this hair
Bright multifunctional ceiling air valve expiratory mode schematic diagram c.In a second embodiment, main airway and bypass air flue composition choice relation；When
When air flue switching actuator is not upper electric, gas pushes main airway diaphragm 101 open by main airway 10, delivers to gas through main airway 10
In the lung of patient, the process of air-breathing is realized；During in exhalation process, diaphragm will be bypassed by controlling air flue to switch actuator
201 are switched on bypass air flue 20, and gas enters bypass air flue exhalation and gone.Therefore multifunctional ceiling air valve schematic diagram of gas circuit b is passed through
Setting meet the practical application of noninvasive breathing pattern or invasive breathing pattern the need for.
The present invention also provides a kind of lung ventilator.
Reference picture 5, Fig. 5 is the structural representation of lung ventilator of the present invention.
In the present embodiment, the lung ventilator includes air-breathing valve body 1 and mounting seat 2, in addition to filter 3, pressure are passed
Sensor 4 and control panel 5, wherein：
The filter 3 is arranged on the exhaust grille 40, for stopping that external environment condition dust impurity enters pressure of inspiration(Pi)
Adjust air flue 30；
The pressure sensor 4 is arranged at the porch of the main airway 10, the porch for detecting main airway 10
Airway pressure；
The control panel 5 is used for the unlatching for controlling air flue to switch actuator 211 and pressure of inspiration(Pi) regulation actuator 212
And/or close.
Specifically, the lung ventilator include multifunctional ceiling air valve, filter 3, pressure sensor 4 and control panel 5 and
Source of the gas, outlet 6, shift knob 7.Pressure sensor 4 is arranged at the porch of the main airway 10, that is to say, that pressure
Sensor 4 is used for the pressure for detecting the port source of the gas of main airway 10, to obtain the pressure of inspiration(Pi) force value of the port of main airway 10, at this
When pressure exceedes default pressure threshold, the control panel 5 controls the pressure of inspiration(Pi) regulation actuator to be powered, pressure of inspiration(Pi) regulation
The pressure of inspiration(Pi) regulation diaphragm is opened on actuator top, so as to portion gas be discharged from exhaust air flue, so as to meet patient just
The need for normal air-breathing.When pressure at this is not less than default threshold value, the control panel 5 controls the pressure of inspiration(Pi) regulation to drive
Moving part stops being powered, and pressure of inspiration(Pi) is adjusted actuator stopping top and opens the pressure of inspiration(Pi) regulation diaphragm, so that can not by portion gas
Discharged from exhaust air flue.In the present embodiment, pressure sensor 4, source of the gas and control panel 5 are preferably electric signal feedback
Mode connect so that realize regulation pressure of inspiration(Pi) regulation actuator open and/or close.In addition, pressure of inspiration(Pi) adjusts the tail of air flue
End is additionally provided with filter 3.The setting of filter 3 is used for preventing the entrance of dust, germ or other suspension microorganisms in the external world, carries
The high hygienic index of patient respiration.
The outlet 6 is preferably disposed on the rear shell of lung ventilator, for the lung ventilator to be connected with external electrical network,
Lung ventilator also includes power line and power supply adaptor, (power line and power supply adaptor are also not shown in figure).The lung ventilator
Inlet valve can pass through outlet 6, power line and power supply adaptor and realize and the electrical connection of external power source, convenient use.
The shift knob 7 is arranged at the upper surface of the lung ventilator, the open and close for controlling the lung ventilator；
When user uses the inlet valve, the function can be realized by opening shift knob 7；, can after user is using terminating
The function is realized by closing switch button 7.
The present invention uses above-mentioned technical proposal, and the technique effect brought is：Realize the integrated invasive breathing pattern of lung ventilator and
Noninvasive breathing pattern, conveniently can be used for patient.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of multifunctional ceiling air valve, it is characterised in that the multifunctional ceiling air valve includes air-breathing valve body and mounting seat, described
Air-breathing valve body is arranged in the mounting seat, and the air-breathing valve body includes：Main airway, bypass air flue, pressure of inspiration(Pi) regulation gas
Road, main airway diaphragm, bypass air flue diaphragm and pressure of inspiration(Pi) regulation diaphragm；The mounting seat includes actuator, the actuator
It is fixed in mounting seat, wherein：
The main airway diaphragm is installed in the main airway；
The bypass air flue diaphragm arrangement is in the bypass air flue；
The actuator includes the pressure of inspiration(Pi) and adjusts actuator and air flue switching actuator, the pressure of inspiration(Pi) regulation driving
Part is used to control pressure of inspiration(Pi) to adjust diaphragm closing and/or open pressure of inspiration(Pi) regulation air flue；The air flue switching actuator control is other
Bypass air flue is closed and/or opened to road air flue diaphragm；
The bypass air flue diaphragm arrangement switches the top of actuator in air flue；
The pressure of inspiration(Pi) regulation diaphragm is arranged at the top that the pressure of inspiration(Pi) adjusts actuator.
2. multifunctional ceiling air valve as claimed in claim 1, it is characterised in that the air-breathing valve body also includes exhaust grille,
The exhaust grille is used to prevent the gas of patient's exhalation is discharged into inside lung ventilator from polluting.
3. multifunctional ceiling air valve as claimed in claim 2, it is characterised in that the pressure of inspiration(Pi) regulation air flue is used to extend to institute
Exhaust grille is stated to connect with external environment condition.
4. multifunctional ceiling air valve as claimed in claim 1, it is characterised in that the mounting seat passes through screw fastening or clamping etc.
Mode is fixed in frame.
5. multifunctional ceiling air valve as claimed in claim 1, it is characterised in that the quantity of the bypass air flue is at least one.
6. multifunctional ceiling air valve as claimed in claim 1, it is characterised in that the air-breathing valve body also includes the first spring,
The air flue switching actuator and bypass air flue diaphragm are connected by first spring.
7. multifunctional ceiling air valve as claimed in claim 1, it is characterised in that the air-breathing valve body also includes second spring.
8. a kind of lung ventilator, it is characterised in that the lung ventilator includes the multifunctional ceiling described in claim 1 to 7 any one
Air valve, the lung ventilator also includes filter, pressure sensor and control panel, wherein：
The filter is arranged on the exhaust grille；
The pressure sensor is arranged at the porch of the main airway, the airway pressure of the porch for detecting main airway；
The control panel is used for unlatching and/or the pass for controlling the pressure of inspiration(Pi) regulation actuator and air flue switching actuator
Close.
9. lung ventilator as claimed in claim 8, it is characterised in that the lung ventilator also includes outlet.
10. lung ventilator as claimed in claim 8, it is characterised in that the lung ventilator also includes shift knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676197.4A CN107308531B (en) | 2017-08-09 | 2017-08-09 | Breathing machine and multifunctional inspiration valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676197.4A CN107308531B (en) | 2017-08-09 | 2017-08-09 | Breathing machine and multifunctional inspiration valve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107308531A true CN107308531A (en) | 2017-11-03 |
| CN107308531B CN107308531B (en) | 2020-01-17 |
Family
ID=60170581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676197.4A Active CN107308531B (en) | 2017-08-09 | 2017-08-09 | Breathing machine and multifunctional inspiration valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107308531B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019029185A1 (en) * | 2017-08-09 | 2019-02-14 | 深圳融昕医疗科技有限公司 | Inhalation valve having bypass air duct, and ventilator |
| EP3536369A1 (en) * | 2018-03-08 | 2019-09-11 | Löwenstein Medical Technology S.A. | Respiratory apparatus with switching valve |
| WO2020007389A1 (en) * | 2018-07-06 | 2020-01-09 | Löwenstein Medical Technology S.A. | Gas control device for a ventilator |
| WO2020007388A1 (en) * | 2018-07-06 | 2020-01-09 | Löwenstein Medical Technology S.A. | Alteration-free gas control device for a ventilator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019029185A1 (en) * | 2017-08-09 | 2019-02-14 | 深圳融昕医疗科技有限公司 | Inhalation valve having bypass air duct, and ventilator |
| EP3536369A1 (en) * | 2018-03-08 | 2019-09-11 | Löwenstein Medical Technology S.A. | Respiratory apparatus with switching valve |
| CN110237393A (en) * | 2018-03-08 | 2019-09-17 | 律维施泰因医学技术股份有限公司 | Artificial respiration utensil with switching valve |
| JP2019155091A (en) * | 2018-03-08 | 2019-09-19 | レーヴェンシュタイン メディカル テクノロジー エス．アー． | Ventilator with switching valve |
| JP7454913B2 (en) | 2018-03-08 | 2024-03-25 | レーヴェンシュタイン メディカル テクノロジー エス．アー． | Artificial respirator with switching valve |
| CN110237393B (en) * | 2018-03-08 | 2024-03-15 | 律维施泰因医学技术股份有限公司 | Artificial respiration appliance with switching valve |
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| JP2021533953A (en) * | 2018-07-06 | 2021-12-09 | レーヴェンシュタイン メディカル テクノロジー エス．アー． | Gas control device for ventilator |
| CN112638457A (en) * | 2018-07-06 | 2021-04-09 | 律维施泰因医学技术股份有限公司 | Retrofit-free gas control device for a ventilator |
| JP2021533952A (en) * | 2018-07-06 | 2021-12-09 | レーヴェンシュタイン メディカル テクノロジー エス．アー． | Gas control device that does not require equipment changes for ventilators |
| CN112601569A (en) * | 2018-07-06 | 2021-04-02 | 律维施泰因医学技术股份有限公司 | Gas control device for artificial respirator |
| JP7137701B2 (en) | 2018-07-06 | 2022-09-14 | レーヴェンシュタイン メディカル テクノロジー エス．アー． | gas controller for ventilator |
| JP7312821B2 (en) | 2018-07-06 | 2023-07-21 | レーヴェンシュタイン メディカル テクノロジー エス．アー． | Gas control system without refurbishment for ventilator |
| EP4272791A3 (en) * | 2018-07-06 | 2023-12-20 | Löwenstein Medical Technology S.A. | Gas control device for a ventilator |
| WO2020007388A1 (en) * | 2018-07-06 | 2020-01-09 | Löwenstein Medical Technology S.A. | Alteration-free gas control device for a ventilator |
| WO2020007389A1 (en) * | 2018-07-06 | 2020-01-09 | Löwenstein Medical Technology S.A. | Gas control device for a ventilator |
| CN112638457B (en) * | 2018-07-06 | 2024-04-09 | 律维施泰因医学技术股份有限公司 | Non-refitted gas control device for artificial respirator |
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| Publication number | Publication date |
|---|---|
| CN107308531B (en) | 2020-01-17 |
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