CN208598952U - Waste gas of anesthesia recycles buffer unit and waste gas of anesthesia recovery system - Google Patents
Waste gas of anesthesia recycles buffer unit and waste gas of anesthesia recovery system Download PDFInfo
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- CN208598952U CN208598952U CN201820596887.9U CN201820596887U CN208598952U CN 208598952 U CN208598952 U CN 208598952U CN 201820596887 U CN201820596887 U CN 201820596887U CN 208598952 U CN208598952 U CN 208598952U
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Abstract
The utility model relates to a kind of waste gas of anesthesia recycling buffer unit and waste gas of anesthesia recovery systems.The waste gas of anesthesia recycling buffer unit includes surge tank, gas disengaging control lid and bottom cover；Surge tank is provided with first through hole and the second through-hole, and first through hole is used to be passed through the waste gas of anesthesia of Anesthesia machine；Gas disengaging control, which covers, is provided with air inlet, second row stomata, the second intercommunicating pore and third through-hole, air inlet and the second intercommunicating pore are interconnected, air inlet is located on the side wall of gas disengaging control lid, it is connected by connecting tube with Anesthesia machine, is passed through waste gas of anesthesia for passing in and out in control lid to gas；Second intercommunicating pore is connected with the first through hole of surge tank, for waste gas of anesthesia to be passed through in surge tank；Third through-hole and the second intercommunicating pore are interconnected, and third through-hole is located on the side wall of gas disengaging control lid, are connected by pipeline with air bag, for buffering to the gas atmosphere entered in surge tank.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular, to a kind of waste gas of anesthesia recycling buffer unit and
Waste gas of anesthesia recovery system.
Background technique
The invention of Inhalation Anesthetic indicates the birth of modern anaesthesia, it greatly pushed modern medicine progress and
The raising of civilization of human society degree.Inhalation anesthetic in addition to anesthetic effect, or its degree whether harmful to human body how one
It is directly to make us concern.1974 by anesthetist association, the U.S. (ASA) support about micro anesthetic gases to operation
The research of room staff's health effect becomes most noticeable, is also with strongest influence power since subject's quantity is very big
Research.73 from different occupation mechanism, 000 personnel, including ASA and paediatrics institute, U.S. member, about 40 are received,
000 investigation reaction.Compared with unexposed women, it is exposed to voluntarily miscarriage, the tumour, liver diseases of the women of waste gas of anesthesia
It is increased with the risk of kidney trouble, the congenital anomaly risk of offspring increases.It is exposed to male doctor's liver disease of waste gas of anesthesia
Sick risk increases, and the risk of children's congenital anomaly also increases.Although confirming that micro waste gas of anesthesia can endanger people without evidence
Body health, but reduce this exposed safeguard measure of exhaust gas by waste scavenging system and approved extensively.
Waste gas discharge of anesthetic machine surge tank is connected with Anesthesia machine, negative pressure suction device, but the discharge of Anesthesia machine exhaust gas is not
It is successional, but discontinuously discharged with the patient respiration period, patient does not have exhaust gas discharge in expiratory phase, when patient opens
When beginning to exhale, Anesthesia machine starts to discharge exhaust gas；And negative pressure suction device is in continual suction, can be generated in patient in this way
Suction is not thorough when expiration Anesthesia machine discharges, and swabbing pressure is excessive when patient's air-breathing Anesthesia machine stops discharging
Problem.
Utility model content
In order to improve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of recycling of waste gas of anesthesia to buffer
Device and waste gas of anesthesia recovery system are not successional to solve the discharge of Anesthesia machine exhaust gas existing in the prior art, and
It is as the patient respiration period discontinuously discharges, patient does not have exhaust gas discharge in expiratory phase, when patient starts to exhale, anesthesia
Machine starts to discharge exhaust gas；And negative pressure suction device is in continual suction, can generate arrange in patient's expiration Anesthesia machine in this way
Suction is not thorough when putting, and the excessive technical problem of swabbing pressure when patient's air-breathing Anesthesia machine stops discharging.
A kind of waste gas of anesthesia recycles buffer unit, the waste gas of anesthesia recycling in an embodiment of the present invention, there is provided
Buffer unit includes surge tank, gas disengaging control lid and bottom cover；The surge tank is provided with first through hole and second and leads to
Hole, the first through hole are used to be passed through the waste gas of anesthesia of Anesthesia machine；The gas disengaging control, which covers, is provided with air inlet, second
Gas vent, the second intercommunicating pore and third through-hole, the air inlet and the second intercommunicating pore are interconnected, and the air inlet is located at described
On the side wall of gas disengaging control lid, it is connected by connecting tube with Anesthesia machine, is led to for being passed in and out in control lid to the gas
Enter waste gas of anesthesia；Second intercommunicating pore is connected with the first through hole of surge tank, for waste gas of anesthesia to be passed through the buffering
In tank；The second exhaust hole is located at the upper side of gas disengaging control lid, the second row stomata and the second intercommunicating pore
It being interconnected, the second row stomata is connect with flow control valve entrance, and flow control valve outlet is connected with negative pressure connecting tube,
The waste gas of anesthesia in the surge tank is sucked out by negative pressure suction device；The third through-hole is mutually interconnected with the second intercommunicating pore
Logical, the third through-hole is located on the side wall of gas disengaging control lid, is connected by pipeline with air bag, for entrance
Gas atmosphere in surge tank is buffered；The first intercommunicating pore and first row stomata are provided on the bottom cover, described first connects
Through-hole is connected to the second through-hole of surge tank, is provided with diaphragm on the first row stomata.
Preferably, the quantity of the second row stomata is multiple, and multiple second row stomatas are annular in shape to be uniformly distributed
On the upper side that the gas passes in and out control lid.
Preferably, flowmeter is provided in the surge tank, one end of the flowmeter is mounted on the first through hole
Centre, for measuring the flow of the waste gas of anesthesia in the surge tank；The surge tank is transparent cylinder, is observed convenient for user
The mobility status of the registration of the flowmeter and the waste gas of anesthesia in the surge tank.
Preferably, steel wire is wound on the pipeline of the negative pressure connecting tube, the steel wire is used for the negative pressure connecting tube
It carries out shaping.
Preferably, the waste gas of anesthesia recycling buffer unit is additionally provided with flow control valve, the flow control valve connection
The negative pressure connecting tube and second row stomata, and the flow control valve is adjusted according to the flow that the flowmeter is shown, make
It obtains negative pressure suction tolerance and is in suitable range.
Preferably, the negative pressure connecting tube is connect with negative pressure or AGSS device by connector, two kinds of connection type connectors
Diameter be 3-5 millimeters.
A kind of waste gas of anesthesia recovery system in an embodiment of the present invention, there is provided, the waste gas of anesthesia recovery system
It include waste gas of anesthesia recycling buffer unit as described above.
When using waste gas of anesthesia provided by the utility model recycling buffer unit, pass through right angle pipeline at third through-hole
Connection setting air bag is more than vacuum suction when the exhaust gas inside Anesthesia machine is discharged since air bag has certain ductility
When the ability that device absorbs, exhaust gas can be stored in air bag；When patient's air-breathing, Anesthesia machine stops discharge, air bag the inside
The gas of storage will be siphoned away as supplement by negative pressure suction device；Also, it with the fluctuating of air bag, can very easily observe
The effect of exhaust gas discharge can also react the respiratory of patient with side；So as to avoid what is discharged in patient's expiration Anesthesia machine
When suction be not thorough, and the excessive situation of swabbing pressure occurs when patient's air-breathing Anesthesia machine stops discharging.
Waste gas of anesthesia recovery system provided by the utility model, the waste gas of anesthesia recovery system include as described above
Waste gas of anesthesia recycles buffer unit.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view that waste gas of anesthesia provided by the utility model recycles buffer unit；
Fig. 2 is the structure section view for the gas disengaging control lid that waste gas of anesthesia provided by the utility model recycles buffer unit
Figure；
Fig. 3 is the cross-sectional view for the bottom cover that waste gas of anesthesia provided by the utility model recycles buffer unit；
Fig. 4 is the top view for the gas disengaging control lid that waste gas of anesthesia provided by the utility model recycles buffer unit.
Icon: 1- waste gas of anesthesia recycles buffer unit；10- surge tank；100- first through hole；The second through-hole of 110-；
120- flowmeter；20- gas disengaging control lid；200- air inlet；210- second row stomata；The second intercommunicating pore of 220-；
230- third through-hole；231- air bag；30- bottom cover；The first intercommunicating pore of 300-；310- first row stomata.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that term such as occur "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even
It is logical ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The utility model provides a kind of waste gas recovery buffer unit and waste gas of anesthesia recovery system, and provides its embodiment party
Formula.
As Figure 1-Figure 4, waste gas of anesthesia recycling buffer unit 1 provided by the utility model includes surge tank 10, gas
Body disengaging control lid 20 and bottom cover 30；Surge tank 10 is provided with first through hole 100 and the second through-hole 110, and first through hole 100 is used
In the waste gas of anesthesia for being passed through Anesthesia machine；Air inlet 200 is provided on gas disengaging control lid 20, second row stomata 210, second connects
Through-hole 220 and third through-hole 230, air inlet 200 and the second intercommunicating pore 220 are interconnected, and air inlet 200 is located at gas disengaging control
On the side wall of lid 20 processed, it is connected by connecting tube with Anesthesia machine, is passed through waste gas of anesthesia for passing in and out in control lid 20 to gas；
Second intercommunicating pore 220 is connected with the first through hole 100 of surge tank 10, for waste gas of anesthesia to be passed through in surge tank 10；Second
Gas vent 210 is located at the upper side of gas disengaging control lid 20, and second row stomata 210 and the second intercommunicating pore 220 are interconnected, the
Two gas vents 210 are connect with flow control valve entrance, and flow control valve outlet is connected with negative pressure connecting tube, pass through vacuum suction
Waste gas of anesthesia in surge tank 10 is sucked out device；Third through-hole 230 and the second intercommunicating pore 220 are interconnected, third through-hole 230
On the side wall that gas passes in and out control lid 20, it is connected by pipeline with air bag 231, for the gas entered in surge tank 10
Body air pressure is buffered；The first intercommunicating pore 300 and first row stomata 310, the first intercommunicating pore 300 and buffering are provided on bottom cover 30
Second through-hole 110 of tank 10 is connected to, and is provided with diaphragm on first row stomata 310.
When using waste gas of anesthesia provided by the utility model recycling buffer unit 1, pass through right angle at third through-hole 230
Air bag 231 is arranged in piping connection, since air bag 231 has certain ductility, when the exhaust gas inside Anesthesia machine is discharged, surpasses
When crossing the ability of negative pressure suction device absorption, exhaust gas can be stored in air bag 231；When patient's air-breathing, Anesthesia machine stops
It discharges, the gas stored inside air bag 231 will be siphoned away as supplement by negative pressure suction device；Also, with rising for air bag 231
Volt can very easily observe the effect of exhaust gas discharge, and the respiratory of patient can also be reacted with side；So as to avoid
Suction is not thorough when patient's expiration Anesthesia machine discharges, and swabbing pressure mistake when patient's air-breathing Anesthesia machine stops discharging
Big situation occurs.
There are two types of first row stomatas 310, the first is tilted to bottom cover 30, and inclined surface and 30 plane of bottom cover are close to bottom cover 30
Center is at an acute angle, and referred to as lose heart check valve, and diaphragm is in above inclined surface, and diaphragm gravity is relied on to close first row stomata 310, when
Negative pressure is too small, and exhaust gas is caused to accumulate, and air bag 231 is inflated, and the pressure in surge tank 10 gradually rises, and diaphragm can be overcome by reaching
When gravity, diaphragm is open, and the gas in surge tank 10 is discharged into air, if negative pressure be constantly in it is too low in the case where, film
Sector-meeting fluctuations with the fluctuating of breathing, the situation for reminding medical staff's negative pressure too low by the shock of diaphragm, simultaneously
Acoustooptic alarm system can be triggered；Second to 30 outer incline of bottom cover, inclined surface and 30 plane of bottom cover close to 30 center of bottom cover at
Obtuse angle, referred to as tonifying Qi check valve, diaphragm are in above inclined surface, and diaphragm gravity is relied on to close tonifying Qi hole, when negative pressure is excessive, are delayed
It rushes gas in tank 10 and air bag 231 to be extracted, when anaesthetizing the gas flow of discharge the aspiration of negative pressure is not achieved, in surge tank 10
Negative pressure is gradually increased, and external atmosphere pressure is greater than pressure in surge tank 10, and atmospheric pressure can inwardly push diaphragm, and outside air enters slow
Tank 10 is rushed, avoids aspirating excessively Anesthesia machine because negative pressure is excessive, causes the damage such as not enough of patient's anoxic, depth of anesthesia.
Preferably, what the diameter of air inlet 200 can be set is larger, i.e., air inlet 200 by bigbore connecting tube with
Anesthesia machine is connected, and so that waste gas of anesthesia is entered surge tank 10 using bigbore air inlet 200, such setting can protect fiber crops
Liquor-saturated machine, in the pipeline of connecting tube remaining tolerance can suction to Anesthesia machine it is more steady, while can add in connecting tube
Add a check valve, only the gas of Anesthesia machine is allowed to enter surge tank 10, without allowing gas reflux in surge tank 10 to influence fiber crops
Liquor-saturated machine.
The quantity of first row stomata 310 can be to be multiple, and multiple first row stomatas 310 are symmetrically disposed on the side wall of bottom cover 30
On.Specifically, the quantity of first row stomata 310 can be two, and two first row stomatas 310 are symmetrically disposed on the side of bottom cover 30
On wall.
The quantity of second row stomata 210 can be to be multiple, and multiple second row stomatas 210 are annular in shape to be evenly distributed on gas
On the upper side of disengaging control lid 20.When the quantity of second row stomata 210 is multiple, end can be used to be multiple small-bore
It is connected with second row stomata 210.The purpose that multiple second row stomatas 210 are arranged is, can be with uniform pressure, so that from buffering
The waste gas of anesthesia being pumped out in tank 10 is even into negative pressure connecting tube.
Flowmeter 120 can be set in surge tank 10, one end of flowmeter 120 is mounted on the centre of first through hole 100,
Buffer gas for measuring the Anesthesia machine exhaust gas being discharged in surge tank 10 by surge tank and being supplemented by first row stomata 310
Total amount；Surge tank 10 is transparent cylinder, and the waste gas of anesthesia in the registration and surge tank 10 of flowmeter 120 is observed convenient for user
Mobility status.The mobility status for the gas that flowmeter 120 observes medical staff intuitively in surge tank 10 is set,
It judges in time, to protect the health of medical staff.Flowmeter 120 is the prior art, is not explained in detail here.
Specifically, steel wire is wound on the pipeline of negative pressure connecting tube, steel wire is for carrying out shaping negative pressure connecting tube.Using
There is the negative pressure connecting tube of steel wire sizing in centre it is possible to prevente effectively from giving a discount because of negative pressure connecting tube, or by the other instruments of operating room
It is pressed onto negative pressure connecting tube and causes negative pressure inadequate, and the case where effect is effectively protected generation is not achieved.
Waste gas of anesthesia recycling buffer unit 1 is additionally provided with flow control valve, and flow control valve connects negative pressure connecting tube and the
Two gas vents 210, and flow control valve is adjusted according to the flow that flowmeter 120 is shown, so that negative pressure suction tolerance is in
Suitable range.Specifically, one end of negative pressure connecting tube is connected with flow control valve, flow control valve and second row stomata 210
It is connected, flow control valve is used to adjust the flow of the waste gas of anesthesia in negative pressure connecting tube, the other end and negative pressure of negative pressure connecting tube
Suction device is connected.Flow control valve, which is arranged, can carry out flow adjusting according to the vacuum magnitude and patient's expiratory gas volume of hospital,
The amount of the ability and the discharge of Anesthesia machine exhaust gas that can make negative pressure absorbing in this way more matches.
Negative pressure connecting tube is connect with negative pressure or AGSS device by connector, and the diameter of two kinds of connection type connectors is
3-5 millimeters.Existing AGSS connector is since bore is too big, when hospital's AGSS system jam, is switched to negative pressure as dynamic
When power, need replacing pipeline, and match the pipeline of model, hospital be it is no, need in addition to purchase, it is time-consuming for a long time.This is practical
The connector of the waste gas of anesthesia recycling buffer unit 1 of novel offer switches in this way using the small diameter tube similar with negative suction head
When only need replacing connector, and this connector hospital has, and replacement is got up, convenient and efficient.
Waste gas of anesthesia recovery system provided by the utility model, waste gas of anesthesia recovery system include anesthesia as described above
Waste gas recovery buffer unit 1.
In conclusion waste gas of anesthesia recycling buffer unit 1 provided by the utility model includes surge tank 10, gas disengaging
Control lid 20 and bottom cover 30；Surge tank 10 is provided with first through hole 100 and the second through-hole 110, and first through hole 100 is for being passed through
The waste gas of anesthesia of Anesthesia machine；Air inlet 200, second row stomata 210, the second intercommunicating pore are provided on gas disengaging control lid 20
220 and third through-hole 230, air inlet 200 and the second intercommunicating pore 220 are interconnected, and air inlet 200 is located at gas disengaging control and covers
On 20 side wall, it is connected by connecting tube with Anesthesia machine, is passed through waste gas of anesthesia for passing in and out in control lid 20 to gas；Second
Intercommunicating pore 220 is connected with the first through hole 100 of surge tank 10, for waste gas of anesthesia to be passed through in surge tank 10；Second exhaust
Hole 210 is located at the upper side of gas disengaging control lid 20, and second row stomata 210 and the second intercommunicating pore 220 are interconnected, second row
Stomata 210 is connect with flow control valve entrance, and flow control valve outlet is connected with negative pressure connecting tube, passes through negative pressure suction device
Waste gas of anesthesia in surge tank 10 is sucked out；Third through-hole 230 and the second intercommunicating pore 220 are interconnected, and third through-hole 230 is located at
On the side wall of gas disengaging control lid 20, it is connected by pipeline with air bag 231, for the gas gas entered in surge tank 10
It is pressed into row buffering；The first intercommunicating pore 300 and first row stomata 310, the first intercommunicating pore 300 and surge tank 10 are provided on bottom cover 30
The connection of the second through-hole 110, be provided with diaphragm on first row stomata 310.It is returned using waste gas of anesthesia provided by the utility model
Receive buffer unit 1 when, at third through-hole 230 by right angle piping connection be arranged air bag 231, due to air bag 231 have it is certain
Ductility, inside Anesthesia machine exhaust gas discharge when, more than negative pressure suction device absorb ability when, exhaust gas can be stored in
In air bag 231；When patient's air-breathing, Anesthesia machine stops discharge, and the gas stored inside air bag 231 will be born as supplement
Pressure suction device siphons away；Also, with the fluctuating of air bag 231, the effect of exhaust gas discharge can be very easily observed, it can also be with
The respiratory of side reaction patient；It is not thorough so as to avoid being aspirated when the discharge of patient's expiration Anesthesia machine, and in disease
People's air-breathing Anesthesia machine stops the situation that swabbing pressure is excessive when discharge and occurs.
Waste gas of anesthesia recovery system provided by the utility model, waste gas of anesthesia recovery system include anesthesia as described above
Waste gas recovery buffer unit 1.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of waste gas of anesthesia recycles buffer unit, which is characterized in that the waste gas of anesthesia recycling buffer unit includes buffering
Tank, gas disengaging control lid and bottom cover；
The surge tank is provided with first through hole and the second through-hole, and the first through hole is used to be passed through the waste gas of anesthesia of Anesthesia machine；
The gas disengaging control, which covers, is provided with air inlet, second row stomata, the second intercommunicating pore and third through-hole, the air inlet
Hole and the second intercommunicating pore are interconnected, and the air inlet is located on the side wall of gas disengaging control lid, by connecting tube and
Anesthesia machine is connected, and is passed through waste gas of anesthesia for passing in and out in control lid to the gas；
Second intercommunicating pore is connected with the first through hole of surge tank, for waste gas of anesthesia to be passed through in the surge tank；
The second exhaust hole is located at the upper side of gas disengaging control lid, the second row stomata and the second intercommunicating pore phase
Intercommunicated, the second row stomata is connect with flow control valve entrance, and flow control valve outlet is connected with negative pressure connecting tube, is led to
It crosses negative pressure suction device the waste gas of anesthesia in the surge tank is sucked out；
The third through-hole and the second intercommunicating pore are interconnected, and the third through-hole is located at the side wall of gas disengaging control lid
On, it is connected by pipeline with air bag, for being buffered to the gas atmosphere entered in surge tank；
The first intercommunicating pore and first row stomata, the second through-hole company of first intercommunicating pore and surge tank are provided on the bottom cover
It is logical, diaphragm is provided on the first row stomata.
2. waste gas of anesthesia according to claim 1 recycles buffer unit, which is characterized in that the quantity of the second row stomata
To be multiple, on multiple second row stomatas upper side annular in shape for being evenly distributed on the gas disengaging control lid.
3. waste gas of anesthesia according to claim 1 recycles buffer unit, which is characterized in that be provided with stream in the surge tank
Meter, one end of the flowmeter are mounted on the centre of the first through hole, for measuring the waste gas of anesthesia in the surge tank
Flow；
The surge tank is transparent cylinder, and it is useless to observe the anesthesia in the registration and the surge tank of the flowmeter convenient for user
The mobility status of gas.
4. waste gas of anesthesia according to claim 1 recycles buffer unit, which is characterized in that the pipeline of the negative pressure connecting tube
On be wound with steel wire, the steel wire is for carrying out shaping the negative pressure connecting tube.
5. waste gas of anesthesia according to claim 3 recycles buffer unit, which is characterized in that the waste gas of anesthesia recycling buffering
Device is additionally provided with flow control valve, and the flow control valve connects the negative pressure connecting tube and second row stomata, and according to institute
The flow that flowmeter is shown is stated to adjust the flow control valve, so that negative pressure suction tolerance is in suitable range.
6. waste gas of anesthesia according to claim 1 recycles buffer unit, which is characterized in that the negative pressure connecting tube and negative pressure
Or AGSS device is connected by connector, the diameter of two kinds of connection type connectors is 3-5 millimeters.
7. a kind of waste gas of anesthesia recovery system, which is characterized in that the waste gas of anesthesia recovery system includes just like claim 1-
Waste gas of anesthesia described in 6 any one recycles buffer unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820596887.9U CN208598952U (en) | 2018-04-24 | 2018-04-24 | Waste gas of anesthesia recycles buffer unit and waste gas of anesthesia recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596887.9U CN208598952U (en) | 2018-04-24 | 2018-04-24 | Waste gas of anesthesia recycles buffer unit and waste gas of anesthesia recovery system |
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| CN208598952U true CN208598952U (en) | 2019-03-15 |
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2018
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