CN105517615B - Anesthesia machine and its Anesthesia machine respiratory system - Google Patents
Anesthesia machine and its Anesthesia machine respiratory system Download PDFInfo
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- CN105517615B CN105517615B CN201480017664.7A CN201480017664A CN105517615B CN 105517615 B CN105517615 B CN 105517615B CN 201480017664 A CN201480017664 A CN 201480017664A CN 105517615 B CN105517615 B CN 105517615B
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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
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
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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
- A61M16/10—Preparation of respiratory gases or vapours
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- Anesthesiology (AREA)
- Emergency Medicine (AREA)
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- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present invention relates to a kind of Anesthesia machine respiratory system, including driving gas isolator, driving gas control system and circulorespiratory system；Driving gas control system and circulorespiratory system connect with the driving gas isolator；The driving gas isolator includes apparatus main body, is provided with least two air flues in described device main body, the air flue is thin-and-long structure, and at least two air flue is arranged in parallel.Driving gas isolator in above-mentioned Anesthesia machine respiratory system passes through elongated and in parallel air flue, realize that the non-physical between mixed gas of the driving gas with carrying a large amount of anaesthetics is isolated, do not have the flexible member as folding capsule wherein so that above-mentioned driving gas isolator can more be accurately controlled pressure and flow.Air flue is parallel-connection structure, and length is 1~4 meter, is advantageous to reduce vapour lock during patient respiration, improves the comfort level of patient.It also provided is a kind of Anesthesia machine using above-mentioned Anesthesia machine respiratory system.
Description
Technical field
The present invention relates to field of medical device, more particularly to a kind of Anesthesia machine and its Anesthesia machine respiratory system.
Background technology
The respiratory system of Anesthesia machine is divided into non-re-breathing system and re-breathing system.Should using the Anesthesia machine of re-breathing system
With the most extensive.Non- re-breathing system is different from, in the Anesthesia machine of re-breathing system, the gas of patient's exhalation can be repeated profit
With.Specifically, generally use bellows structure realizes isolating for driving gas and patient's exhaled gas, breathed out with to reduce patient
The loss of anaesthetic.During expiration, folding capsule that the gas of live gas and patient's exhalation enters in bellows in the lump, and air-breathing
When, driving gas enters in bellows, and driving folds intracapsular gas and is again introduced into the lung of patient.
Traditional Anesthesia machine, it drives gas isolator to realize that driving gas is exhaled with patient using bellows structure mostly
Go out the isolation of gas, the gas pressure and flow of patient's intrapulmonary fold capsule realization by controlling driving gas to act on.But by
There is certain elasticity in folding capsule material softness, be difficult accurately to control when throughput is smaller, and safety valve has one
Small end-expiratory positive pressure, especially neonatal ventilation is had a serious impact, hypoventilation may be caused.
The content of the invention
Based on this, it is necessary to provide a kind of Anesthesia machine respiratory system of accurate control throughput and breathed using the Anesthesia machine
The Anesthesia machine of system.
A kind of Anesthesia machine respiratory system, including：
Gas isolator is driven, the driving gas isolator includes apparatus main body, is provided with described device main body
At least two air flues, the air flue are thin-and-long structure, and at least two air flue is arranged in parallel；
Gas control system is driven, is connected with one end of air flue in the driving gas isolator, the driving gas
Body control system is used to provide driving gas to the driving gas isolator；And
Circulorespiratory system, it is connected with the other end of air flue in the driving gas isolator.
In one of the embodiments, the length of the air flue is 1~4 meter.
In one of the embodiments, the total measurement (volume) of at least two air flue is 1000~1500ml.
In one of the embodiments, described device main body includes at least two tracheaes, and the tracheae is helicoidal structure,
The tube wall of the tracheae surrounds the air flue.
In one of the embodiments, described device main body is block structure, and at least two air flue is opened in described
On apparatus main body, and air flue bending is in spiral shape.
In one of the embodiments, described device main body is made up of hard material.
In one of the embodiments, described device main body includes at least two tracheaes, and the tracheae is spiral structure,
The tube wall of the tracheae surrounds the air flue.
In one of the embodiments, described device main body is thin-and-long tubular structure, is spaced apart in described device main body
If at least two air flue.
In one of the embodiments, the circulorespiratory system includes patient's pipeline and is all connected with patient's pipeline
Inspiration limb and expiration branch road, the inspiration limb is provided with breather cheek valve, and expiration branch road is provided with expiratory one-way valve, institute
State inspiration limb and be additionally provided with live gas branch road.
In one of the embodiments, the driving gas control system includes what is be connected with driving gas isolator
Drive air pipe, driving air pipe be provided be used for driving gas carry out air inlet inlet valve and for discharge driving gas every
From the outlet valve of excessive gas in device.
A kind of Anesthesia machine for including above-mentioned Anesthesia machine respiratory system
Above-mentioned Anesthesia machine and its Anesthesia machine respiratory system, compared with traditional Anesthesia machine, at least possesses advantages below：
First, the driving gas isolator in above-mentioned Anesthesia machine respiratory system is realized by elongated and in parallel air flue
Non-physical between mixed gas of the driving gas with carrying a large amount of anaesthetics is isolated, wherein not as folding capsule
Flexible member so that above-mentioned driving gas isolator can more be accurately controlled pressure and flow, can't be as traditional
The end-expiratory positive pressure for being difficult to accurately control like that be present in bellows-type driving gas isolator.Air flue is parallel-connection structure, and long
Vapour lock when for 1~4 meter, being advantageous to reduce patient respiration is spent, improves the comfort level of patient.
Simultaneously as air flue is more elongated, the contact area between mixed gas and driving gas is very small, from mixed gas
The amount of the anaesthetic diffused in driving gas is less, it is achieved thereby that mixing of the driving gas with carrying a large amount of anaesthetics
Non-physical isolation between gas, ensure that the concentration for the anaesthetic being conveyed in the gas of circulorespiratory system can comparatively fast reach
To setting value, and it is maintained at setting value.
In addition, traditional driving gas isolator is physics sexual isolation, and if Anesthesia machine leaks in operation, disease
The gas of people's exhalation is not enough to full of capsule is folded, and capsule is folded when serious can collapse into bottom, cause Anesthesia machine can not be supplied to patient
Gas, patient's death by suffocation may be caused.Above-mentioned driving gas isolator is isolated for non-physical, even if Anesthesia machine respiratory system
Leak, also can normal ventilation, ensure patients ' lives safety.
Finally, above-mentioned driving gas isolator is integrated, and dismounting is relatively easy to, and sterilization easy to clean.
Brief description of the drawings
Fig. 1 is the structural representation of Anesthesia machine respiratory system in one embodiment of the invention；
Fig. 2 is the structural representation that gas isolator is driven in Anesthesia machine respiratory system shown in Fig. 1；
Fig. 3 is the structural representation that another angle of gas isolator is driven in Anesthesia machine respiratory system shown in Fig. 1；
Fig. 4 is the operating diagram that gas isolator is driven in Anesthesia machine respiratory system shown in Fig. 1；
Fig. 5 is the operating diagram that another state of gas isolator is driven in Anesthesia machine respiratory system shown in Fig. 1；
Fig. 6 is the structural representation of the driving gas isolator of another embodiment；
Fig. 7 is the sectional view of driving gas isolator shown in Fig. 6；
Fig. 8 is the structural representation of the driving gas isolator of another embodiment.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
Referring to Fig. 1, the Anesthesia machine (figure is not marked) in present pre-ferred embodiments, including Anesthesia machine respiratory system 10.Fiber crops
Liquor-saturated machine respiratory system 10 includes driving gas isolator 100, driving gas control system 200 and circulorespiratory system 300.Drive
Dynamic gas control system 200 and circulorespiratory system 300 are connected with driving gas isolator 100.
Specifically in the present embodiment, circulorespiratory system 300 includes patient's pipeline 310 and is all connected with patient's pipeline 310
Inspiration limb 330 and expiration branch road 350, inspiration limb 330 is provided with breather cheek valve 332a, and expiration branch road 350 is provided with
Expiratory one-way valve 332b, inspiration limb 330 are additionally provided with live gas branch road 334.Gas control system 200 is driven to include and driving
The driving air pipe 210 that gas isolator 100 is connected, driving air pipe 210, which is provided with, to be used to enter driving gas
The inlet valve 212 of gas and the outlet valve 214 for discharging excessive gas in driving gas isolator 100.Inlet valve 212 and exhale
Air valve 214 is by driving air pipe 210 to be connected with driving gas isolator 100.
When patient exhales, the inlet valve 212 on gas control system 200 is driven to close.Patient's exhalation carries arcotic
The exhaled gas of thing enters in expiration branch road 350 by patient's pipeline 310, and enters driving gas by expiratory one-way valve 332b
Isolating device 100.The live gas branch road 334 that live gas is also passed through on inspiration limb 330 simultaneously enters Anesthesia machine breathing system
In system 10.Live gas carries the loop of gas anesthesia medicine injection Anesthesia machine respiratory system 10 as carrier gas.Inspiration limb 330
On be additionally provided with tourie 336, live gas enters in driving gas body isolating device 100 after the filtering of tourie 336, with disease
The mixed gas of the gas mixing of people's exhalation, exhaled gas and live gas will drive the drive of part in gas isolator 100
Body of taking offence is pushed into drive on air pipe 210 at outlet valve 214, and is discharged by outlet valve 214.
During patient's air-breathing, the inlet valve 212 on gas control system 200 is driven to open, driving gas passes through inlet valve 212
Into driving gas isolator 100, exhaled gas and the mixed gas of live gas are promoted through tourie 336.Mixed gas
It can be filtered out by carbon dioxide during tourie 336 by the soda lime in tourie 336.Filter out the mixed gas of carbon dioxide together
It is again introduced into after flowing through breather cheek valve 332a and patient's pipeline 310 in the lung of patient, completes respiration circulation.Specifically,
It can be oxygen or air to drive gas.Pressure and the flow control of patient's expiratory phase can be controlled by inlet valve 212.
Anesthesia machine respiratory system 10 may also include control system 400, and control system 400 is included with driving gas isolator
100 and the control piper 410 that is connected of circulorespiratory system 300, control piper 410 be provided with hand-machine control switching valve 412, hand
Dynamic leather bag 414 and APL valves 416 (Adjustable Pressure LimitValve, limiting valve with adjustable pressure).Hand-machine control is cut
System can be switched to manual mode by changing valve 412, and now manually the control of leather bag 414 ventilation, unnecessary gas pass through APL valves
416 discharges.
Driving gas isolator 100 can be isolated to mixed gas with driving gas, prevent mixed gas and driving
Mixed gases, so that the anaesthetic in mixed gas is reused.
Driving gas isolator 100 includes apparatus main body 110.At least two air flues 130 are provided with apparatus main body 110,
Air flue 130 is thin-and-long structure, and at least two air flues 130 are arranged in parallel.
Also referring to Fig. 2 and Fig. 3, apparatus main body 110 includes at least two tracheaes 112, and tracheae 112 is helical form knot
Structure, the tube wall of tracheae 112 surround air flue 130.The total measurement (volume) of at least two air flues 130 is 1000~1500ml, and its total measurement (volume) is big
The tidal volume that patient Yu once breathes out.
Specifically in the present embodiment, tracheae 112 is two, and the tube wall of two tracheaes 112 is respectively enclosed to two air flues 130.
Also referring to Fig. 4, when patient exhales, the mixed gas of exhaled gas and live gas enters driving from one end of air flue 130
Gas isolator 100, and the other end that gas will be driven to push air flue 130 to, part drive gas by driving air pipe 210
Outlet valve 214 discharge.
Because the total measurement (volume) of air flue 130 is more than the tidal volume that patient once breathes out, in mixed gas also not from driving gas
When the other end of isolating device 100 overflows, patient enters suction condition.Please refer to fig. 5, driving gas passes through driving gas
Pipeline 210 enters in air flue 130, mixed gas is pushed back from driving gas isolator 100, and make mixed gas again
It is inhaled by a patient.
Because air flue 130 is more elongated, the contact area between mixed gas and driving gas is very small, expands from mixed gas
The amount for the anaesthetic being dissipated in driving gas is less, it is achieved thereby that gaseous mixture of the driving gas with carrying a large amount of anaesthetics
Non-physical isolation between body, it ensure that the concentration for the anaesthetic being conveyed in the gas of circulorespiratory system 300 can be very fast
Reach setting value, and be maintained at setting value.Anaesthetic in exhaled gas is reused, and reduces the wave of anaesthetic
Take.
The length of air flue 130 is 1~4 meter.The length of air flue 130 is smaller, and the vapour lock in the loop of air flue 130 is smaller, Ke Yiti
The comfort level of high patient respiration.
Also referring to Fig. 6, it will be understood that in other embodiments, apparatus main body 110 is block structure, and air flue 130 is opened
On apparatus main body 110, air flue 130 bends in spiral shape.Apparatus main body 110 is made up of hard material.Specifically, make dress
Put the material of main body 110 can be the metal materials such as copper, aluminium, steel or be PPSU (Polyphenylene sulfone resins,
Polyphenylene sulphone resin) etc. plastic material.Also referring to Fig. 7, air flue 130 for it is two or more when, multiple air flues 130 can be
Apparatus main body 110 is laminated, and in embodiment as shown in Figure 7, two air flues 130 are distributed in the short transverse of apparatus main body 110.
Also referring to Fig. 8, in another embodiment, apparatus main body 110 is thin-and-long tubular structure.Apparatus main body 110
Upper interval opens up at least two air flues 130.Specifically, in the embodiment shown in fig. 8, seven are offered on apparatus main body 110
Air flue 130, seven air flues 130 are uniformly distributed, so that apparatus main body 110 forms single cellular porous tubular structure.
Above-mentioned Anesthesia machine and its Anesthesia machine respiratory system 10, compared with traditional Anesthesia machine, at least possesses advantages below：
First, the driving gas isolator 100 in above-mentioned Anesthesia machine respiratory system 10 passes through elongated and in parallel air flue
130, realize that the non-physical between mixed gas of the driving gas with carrying a large amount of anaesthetics is isolated, wherein not as folding
Flexible member as capsule so that above-mentioned driving gas isolator 100 can more be accurately controlled pressure and flow, not
There can be the end-expiratory positive pressure for being difficult to accurately control as the bellows-type driving gas isolator of tradition.Air flue 130 is simultaneously
It is coupled structure, and length is 1~4 meter, is advantageous to reduce vapour lock during patient respiration, improves the comfort level of patient.
Simultaneously as air flue 130 is more elongated, the contact area between mixed gas and driving gas is very small, from mixing
Gas diffusion is less to the amount for driving the anaesthetic in gas, it is achieved thereby that driving gas is with carrying a large amount of anaesthetics
Non-physical isolation between mixed gas, ensure that the concentration for the anaesthetic being conveyed in the gas of circulorespiratory system 300
Setting value can comparatively fast be reached, and be maintained at setting value.
In addition, traditional driving gas isolator 100 is physics sexual isolation, if Anesthesia machine is let out in operation
Leakage, the gas of patient's exhalation are not enough to full of capsule is folded, and capsule is folded when serious can collapse into bottom, cause Anesthesia machine can not be to disease
People supplies, and may cause patient's death by suffocation.Above-mentioned driving gas isolator 100 is isolated for non-physical, even if Anesthesia machine
Respiratory system 10 leaks, also can normal ventilation, ensure patients ' lives safety.
Finally, above-mentioned driving gas isolator 100 is integrated, and dismounting is relatively easy to, and sterilization easy to clean.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. Anesthesia machine respiratory system, it is characterised in that including：Gas isolator is driven, the driving gas isolator includes apparatus main body, is provided with least in described device main body Two air flues, the air flue are thin-and-long structure and in the shape of a spiral or spiral structure, at least two air flue are arranged in parallel, The total measurement (volume) of at least two air flue is more than 1000ml, less than 1500ml；Gas control system is driven, is connected with one end of air flue in the driving gas isolator, the driving gas control System processed is used to provide driving gas to the driving gas isolator；AndCirculorespiratory system, it is connected with the other end of air flue in the driving gas isolator.
- 2. Anesthesia machine respiratory system according to claim 1, it is characterised in that the length of the air flue is 1~4 meter.
- 3. Anesthesia machine respiratory system according to claim 1, it is characterised in that described device main body includes at least two gas Pipe, the tracheae is helicoidal structure, and the tube wall of the tracheae surrounds the air flue.
- 4. Anesthesia machine respiratory system according to claim 1, it is characterised in that described device main body is block structure, institute State at least two air flues to be opened in described device main body, and air flue bending is in spiral shape.
- 5. Anesthesia machine respiratory system according to claim 4, it is characterised in that described device main body is by hard material system Into.
- 6. Anesthesia machine respiratory system according to claim 1, it is characterised in that described device main body includes at least two gas Pipe, the tracheae is spiral structure, and the tube wall of the tracheae surrounds the air flue.
- 7. Anesthesia machine respiratory system according to claim 1, it is characterised in that described device main body is thin-and-long tubulose knot Structure, interval opens up at least two air flue in described device main body.
- 8. Anesthesia machine respiratory system according to claim 1, it is characterised in that the circulorespiratory system includes patient tube Road and the inspiration limb and expiration branch road being all connected with patient's pipeline, the inspiration limb are provided with breather cheek valve, exhaled Gas branch road is provided with expiratory one-way valve, and the inspiration limb is additionally provided with live gas branch road.
- 9. Anesthesia machine respiratory system according to claim 1, it is characterised in that it is described driving gas control system include with The driving air pipe that driving gas isolator is connected, driving air pipe are provided with the suction for being used for that air inlet to be carried out to driving gas Air valve and the outlet valve for discharging excessive gas in driving gas isolator.
- A kind of 10. Anesthesia machine for including any one of the claim 1-9 Anesthesia machine respiratory systems.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/092777 WO2016086352A1 (en) | 2014-12-02 | 2014-12-02 | Anesthesia machine and anesthesia machine respiratory system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105517615A CN105517615A (en) | 2016-04-20 |
| CN105517615B true CN105517615B (en) | 2018-02-09 |
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| CN201480017664.7A Active CN105517615B (en) | 2014-12-02 | 2014-12-02 | Anesthesia machine and its Anesthesia machine respiratory system |
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| Country | Link |
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| CN (1) | CN105517615B (en) |
| WO (1) | WO2016086352A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019117776A1 (en) * | 2017-12-15 | 2019-06-20 | Maquet Critical Care Ab | Modular breathing gas separator unit |
| CN111479608B (en) * | 2017-12-15 | 2024-05-24 | 马奎特紧急护理公司 | Respiratory component and method for producing a respiratory component |
| CN112969487B (en) * | 2018-10-31 | 2024-04-26 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia breathing device and method |
| WO2020133274A1 (en) * | 2018-12-28 | 2020-07-02 | 深圳迈瑞生物医疗电子股份有限公司 | Ventilation device and control method therefor, and computer storage medium |
| EP4272790A4 (en) * | 2020-12-31 | 2024-01-17 | Shenzhen Mindray Animal Medical Technology Co., Ltd. | Respiratory ventilation method and device, anesthesia machine and computer-readable storage medium |
| CN112657029A (en) * | 2020-12-31 | 2021-04-16 | 北京谊安医疗系统股份有限公司 | Loop coil pipe for anesthesia machine |
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| CN2253660Y (en) * | 1996-05-22 | 1997-05-07 | 上海德尔格医疗器械有限公司 | Anesthetic air circular breath treatment device |
| CN100998902A (en) * | 2006-01-13 | 2007-07-18 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for mornitering and controlling flow |
| CN101332329A (en) * | 2007-06-28 | 2008-12-31 | 通用电气公司 | Patient breathing system |
| CN201356881Y (en) * | 2009-03-11 | 2009-12-09 | 路劲松 | Circulation closed anesthetic machine |
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|---|---|---|---|---|
| SE8700977D0 (en) * | 1987-03-09 | 1987-03-09 | Olof Werner | UNIT WHICH SEPARATELY SEPARATES THE GAS CONTENT IN THE DRIVE CIRCUIT AND THE RECEIVER CIRCUIT BUT ONLY ALLOWS GAS PIPE IN THE BAD DIRECTIONS (OPEN SEPARATION) |
| EP2830693A4 (en) * | 2012-03-29 | 2015-11-25 | Joseph Fisher | Anesthetic delivery system |
| BR102012028313B1 (en) * | 2012-11-05 | 2021-04-13 | Magnamed Tecnologia Médica S.A. | ANESTHESIA APPLIANCE |
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2014
- 2014-12-02 CN CN201480017664.7A patent/CN105517615B/en active Active
- 2014-12-02 WO PCT/CN2014/092777 patent/WO2016086352A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253660Y (en) * | 1996-05-22 | 1997-05-07 | 上海德尔格医疗器械有限公司 | Anesthetic air circular breath treatment device |
| CN100998902A (en) * | 2006-01-13 | 2007-07-18 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for mornitering and controlling flow |
| CN101332329A (en) * | 2007-06-28 | 2008-12-31 | 通用电气公司 | Patient breathing system |
| CN201356881Y (en) * | 2009-03-11 | 2009-12-09 | 路劲松 | Circulation closed anesthetic machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016086352A1 (en) | 2016-06-09 |
| CN105517615A (en) | 2016-04-20 |
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