CN213856221U - Anesthesia waste gas suction device - Google Patents
Anesthesia waste gas suction device Download PDFInfo
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- CN213856221U CN213856221U CN202022781108.2U CN202022781108U CN213856221U CN 213856221 U CN213856221 U CN 213856221U CN 202022781108 U CN202022781108 U CN 202022781108U CN 213856221 U CN213856221 U CN 213856221U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 52
- 206010002091 Anaesthesia Diseases 0.000 title abstract description 28
- 230000037005 anaesthesia Effects 0.000 title abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 239000007789 gas Substances 0.000 claims abstract description 56
- 238000000746 purification Methods 0.000 claims abstract description 50
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000003444 anaesthetic effect Effects 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 239000003994 anesthetic gas Substances 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
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- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
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- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to an anesthesia waste gas suction device, including suction mechanism and purification mechanism, suction mechanism includes at least one ejector, the ejector makes with utilizing malleation power air supply suction mechanism realizes the mode of suction efficiency set up in the suction mechanism, purification mechanism includes diffusion tube, circulator and sprinkler, the one end of circulator is with can suction the mode of material in the purification mechanism communicate in the one end of purification mechanism casing, the other end of circulator with can with the material that circulator one end suction was obtained is transmitted for the mode of sprinkler communicate in the other end of purification mechanism, suction mechanism passes through the ejector with the mode of diffusion tube intercommunication with purification mechanism connects. The unstable condition of traditional suction device pressure has been improved to through setting up more simple anesthesia exhaust-gas treatment mechanism promote exhaust-gas treatment efficiency.
Description
Technical Field
The utility model relates to the technical field of medical machinery, especially, relate to an anesthesia waste gas suction device.
Background
At present, operating rooms of a few hospitals in China are provided with anesthesia waste gas removal systems, but most of the simple measures for waste gas discharge of the operating rooms and anesthesia machines are not implemented, and domestic attention on anesthesia waste gas pollution and possessed sewage discharge equipment are far behind those in developed countries abroad. In hospitals provided with anesthesia waste gas discharge devices, most of the anesthesia waste gas is discharged by adopting an indoor waste gas pumping method, the difficult problem of overhigh waste gas concentration in an operating room is solved to a certain extent by the method, but the anesthesia gas still flows into the operating room, so that the possibility of a doctor sucking the anesthesia medicine exists, and the physical health of medical workers is indirectly threatened. Thus, there is a need for an apparatus for exhaust extraction at the source of the anesthetic exhaust exhaled by the patient. Most medical waste gas pumping equipment in China adopts a first generation anesthetic gas discharge technology, namely a negative pressure type anesthetic discharge technology, a negative pressure pump discharge device in low pressure and high flow can be changed by the input use amount of an operating room and the start and stop processes of a pump rather than being stable, and if the equipment is directly installed on a patient breathing interface, the use safety can be influenced, so that a stable anesthetic waste gas suction device which can be directly connected to a patient anesthetic waste gas discharge interface is needed.
Chinese patent CN211513013U discloses a novel medical anesthesia device, comprising a base plate, the equal fixed mounting in both sides of bottom plate bottom has the walking wheel, the equal fixed mounting in both sides at bottom plate top has the backup pad, the top fixed mounting of bottom plate has and is located two dissolve the case between the backup pad, the top fixed mounting who dissolves the case has the purifying box, two the top fixed mounting of backup pad has the fixed plate, and the top fixed mounting of the fixed plate of telling has mounting panel and install bin, the same fixed mounting in top of mounting panel and install bin has the fixed plate. This novel medical anesthesia device, through the use of active carbon adsorption layer, will discharge to the exhaust purification of the inner chamber of purifying box and adsorb, shine mobile waste gas through ultraviolet lamp simultaneously and disinfect, finally discharge waste gas through the trachea and dissolve the liquid for waste gas dissolves, prevents that waste gas from flowing into the air. Although the device is provided with the circulating filtration device, has reduced the external possibility of anesthesia waste gas flow direction by a wide margin, but the device adopts the negative pressure to absorb the waste gas principle, and pressure stability is poor to the device connects the gas pipe to let in the bore of waste gas dissolving box little, and the unstable condition of sick population internal pressure takes place when can leading to absorbing waste gas, thereby the unstable defect of anesthesia effect can appear.
From this the utility model provides a direct connection improves the unstable condition of traditional suction device pressure in the waste gas suction device of patient's anesthesia pipeline to through setting up more simple anesthesia exhaust-gas treatment mechanism promote exhaust-gas treatment efficiency.
Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space limit did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an anesthesia waste gas suction device, which comprises a suction mechanism and a purification mechanism, wherein the suction mechanism comprises at least one ejector which is arranged in the suction mechanism in a way of utilizing a positive pressure power air source to enable the suction mechanism to realize the suction effect,
the purification mechanism comprises a diffusion pipe, a circulator and a sprayer, one end of the circulator is communicated with one end of the purification mechanism shell in a mode of sucking substances in the purification mechanism, the other end of the circulator is communicated with the other end of the purification mechanism in a mode of transmitting the substances sucked from one end of the circulator to the sprayer,
the suction mechanism is connected with the purification mechanism in a mode that the ejector is communicated with the diffusion pipe.
According to a preferred embodiment, one end of the box of the suction mechanism is provided with at least one first connector in a manner that the external positive pressure air source is connected and then flows to the ejector.
According to a preferred embodiment, a second connector facilitating connection with an external cannula is provided at the gas inlet of the ejector for absorbing gas.
According to a preferred embodiment, the suction mechanism is communicated with the purification mechanism through an adapter tube which prevents the liquid in the purification mechanism from flowing to the ejector, and one end of the adapter tube is communicated with the ejector air outlet, and one end of the adapter tube is communicated with the diffusion tube air inlet.
According to a preferred embodiment, the circulator comprises at least one pump and a first duct, the pump being arranged on the passage path of the first duct.
According to a preferred embodiment, the sprinkler comprises at least one second pipe and at least one sprinkler head arranged on the second pipe and able to sprinkle a gas reprocessing emitted for the diffuser pipe.
According to a preferred embodiment, the purification means is further provided with an exhaust port capable of exhausting the filtered gas in the purification means.
According to a preferred embodiment, a tail purifier capable of filtering the gas exhausted from the purification mechanism again is provided at one end of the exhaust port.
According to a preferred embodiment, the rear purifier comprises at least one purifying bin containing the filtering material and a light hose for connecting with the air outlet without affecting the overall quality of the rear purifier.
According to a preferred embodiment, the bottom of the tail purifier along the gravity direction is provided with a meter for measuring the mass of the tail purifier, and one end of the meter is provided with a measuring panel for observing the specific mass of the tail purifier.
The utility model has the advantages of:
firstly, the external positive pressure gas source of the device provided by the utility model can suck the anesthetic waste gas exhaled by the patient, and the occurrence of the situation that the anesthetic gas leaks and harms the related medical staff is blocked from the source;
secondly, compared with the traditional negative pressure suction device, the device provided by the utility model is more stable and is more suitable for directly performing suction operation on the anesthesia pipeline of a patient in a gas anesthesia operation;
third, the device provided by the utility model can also carry out multiple filtration to the anesthesia waste gas that the suction came out for anesthesia waste gas can not harm medical staff healthy.
Drawings
Fig. 1 is a schematic view of the overall structure of an anesthetic waste gas suction device provided by the present invention;
FIG. 2 is an enlarged view of the pumping mechanism of the anesthetic waste gas pumping device provided by the present invention;
fig. 3 is an enlarged view of the tail purifier structure of the anesthetic waste gas suction device provided by the present invention.
List of reference numerals
100: a suction mechanism; 200: a purification mechanism; 110: a first joint; 120: a second joint; 130: an ejector; 131: fixing member 132: a first gas collecting member; 133: a second gas collecting member; 134: a third gas collecting member; 135 a fourth gas collecting member; 210: a diffuser tube; 220: a circulator; 230: a sprinkler; 240: an exhaust port; 221: a first conduit; 222: a pump body; 231: a second conduit; 232: the spray head 300: a transfer tube; 400: a tail purifier; 410: a purifying bin; 420: a light hose; 500: a meter; 510: a metering panel.
Detailed Description
The following detailed description is made with reference to fig. 1 to 3.
To the deficiency of the prior art, the utility model provides a pair of anesthesia waste gas suction device, the device pass through the malleation air exhaust method of efflux formula, realize stablizing the suction effect to the anesthesia waste gas of patient's exhalation in the anesthesia trachea to carry out more effective processing to exhaust waste gas with the mode of circulation spraying. The device comprises a suction mechanism 100 and a purification mechanism 200, wherein the suction mechanism 100 comprises at least one ejector 130, the ejector 130 is arranged in the suction mechanism 100 in a mode of utilizing a positive pressure power air source to enable the suction mechanism 100 to realize suction effect, and the main body of the ejector 130 penetrates through the suction mechanism 100. One end of the ejector 130 penetrating the outside of the casing of the suction mechanism 100 is an air inlet end. The other end of the ejector 130, which penetrates the outside of the casing of the suction mechanism 100 and is connected to the purification mechanism 200, is an exhaust end. The air inlet port of the ejector 130 is flush with one side of the housing of the pumping mechanism 100. The air inlet pipe of the ejector 130 is internally threaded and is connected with the externally threaded hole of the second joint 120 in a fitting manner. Preferably, the second connector 120 is a gas quick connector to facilitate quick connection of a gas anesthetic tube for use at the patient end.
Preferably, the purification mechanism 200 comprises a diffusion pipe 210 provided with a plurality of sets of small holes in the circumferential direction, a circulator 220 and a sprayer 230, and one end of the circulator 220 is communicated with one end of the shell of the purification mechanism 200 in a manner of being capable of sucking the substances in the purification mechanism 200. The diffuser 210 is disposed at the bottom of the cavity of the purification mechanism 200 through a sidewall of the purification mechanism 200. In the using process of the device, the diffusion tube 210 is completely immersed in the sodium hydroxide solution, the anesthetic waste gas is diffused into the sodium hydroxide solution through the small holes arranged in the circumferential direction of the diffusion tube 210 for filtration and cleaning, the cleaned waste gas flows to the exhaust port 240 after passing through the sprayer 230, and finally the anesthetic waste gas is discharged into the tail purifier 400. Preferably, the substance in the purification mechanism 200 can be sodium hydroxide liquid or other substances which may react with the anesthetic waste gas to produce harmless substances to the human body. The other end of the circulator 220 is connected to the other end of the purification mechanism 200 in such a manner that the substance sucked from one end of the circulator 220 is transferred to the sprayer 230. Preferably, one end of the circulator 220 is disposed at one side of the bottom of the purifying mechanism 200 in the direction shown in fig. 1, so that a similar sodium hydroxide solution injected into the inner cavity of the purifying mechanism 200 can be sucked into the sprayer 230, and the sprayer 230 performs spray filtration on the anesthetic waste gas filtered by the diffusion tube 210, which is beneficial to realizing the effect of circularly cleaning the anesthetic waste gas for multiple times. Namely, the process is that the purifying mechanism 200 performs the first circulation filtration on the anesthetic waste gas.
Preferably, the suction mechanism 100 is connected to the purification mechanism 200 by means of the ejector 130 communicating with the diffuser pipe 210, which is advantageous in making the structure of the apparatus more compact and simple. Preferably, the suction mechanism 100 is in communication with the purification mechanism 200 through the adapter tube 300, and the suction mechanism 100 is horizontally positioned higher than the purification mechanism 200 to facilitate preventing liquid in the purification mechanism 200 from flowing into the ejector 130. Specifically, one end of the adapter tube 300 is communicated with the air outlet of the ejector 130, and one end of the adapter tube 300 is communicated with the air inlet of the diffuser tube 210.
Preferably, at least one first connector 110 is mounted at one end of the housing of the pumping mechanism 100 to facilitate the passage of an external positive pressure gas source to the ejector 130. The ejector 130 is provided semi-enclosed with the casing of the suction mechanism 100. The ejector is a multi-stage jet flow exhaust valve which is composed of a plurality of gas collection components. The ejector includes a first air collecting member 132, a second air collecting member 133, a third air collecting member 134, and a fourth air collecting member 135. Preferably, the first air collecting member 132, the second air collecting member 133, the third air collecting member 134 and the fourth air collecting member 135 are all in the shape of a funnel. The cross section of the gas collecting part can be square, cylindrical or polygonal, the specific cross section is not fixedly limited, and only the angle for collecting the flow is arranged at the central position of a through pipe of any gas collecting component. The inner surfaces of the two communicated pipes are continuously connected, for example, the gas collecting component is processed and formed by bending or welding. The beak parts of different gas collecting components are different in diameter and are mutually enclosed and stacked at the beak position. The respective gas collecting members are connected to each other by a plurality of fixing members 131 having a circular ring shape or a bar shape. Preferably, the specific structural shape of the fixing member 131 is not limited, and the fixing member can be any structural shape, so that the fixing member is only convenient for connecting and supporting two adjacent gas collecting members and can provide a passage which can be communicated with external positive pressure between the beaks of the two adjacent gas collecting members. One end of one of the fixing members 131 is disposed at the outer beak surface of one of the gas collecting members in a welded connection, and the other end of the fixing member 131 is disposed at the inner beak surface of the other gas collecting member adjacent to each other in a welded connection. The fixing member 131 connects the respective gas collecting members in such a manner that the passage between the gas collecting members is not completely closed, i.e., a gap exists between the beaks of two gas collecting members adjacent to each other. Preferably, 3 fixing members 131 are used between every two gas collecting members to fix the gas collecting members in a mode of equal beak distance, which is beneficial to the stability of the gas sucked by the suction mechanism 100. The ejector 130 forms a semi-closed chamber within the housing of the suction mechanism 100 where only the gas collection member beak is able to feed the jet gas into the adapter tube 300. One end of the ejector 130 is welded to one end of the adapter tube 300, and the other end of the ejector 130 is welded to a pipe connected to the second pipe 231. Preferably, the circulator 220 includes at least one pump body 222 and a first pipe 221, and the pump body 222 is disposed on a passage path of the first pipe 221. When the device is used for sucking the anesthetic waste gas, the switch on the outer side surface of the pump body 222 is opened, and the liquid such as sodium hydroxide in the purifying mechanism 200 is pumped out to the sprayer 230 through the pressure difference formed in the pipeline by the pump body 222, so that the possibility of circularly cleaning the anesthetic waste gas is realized. Preferably. The pump body 222 is an electric pump which can be externally connected with a power supply, and is beneficial to facilitating the operation room to rapidly use the device for anesthetic waste gas suction.
Preferably, the sprayer 230 comprises at least one second pipe 231 and a spray head 232 disposed on the second pipe 231 and capable of spraying the gas re-filtered for the gas discharged from the diffuser pipe 210. The second pipe 231 penetrates into the cavity of the container of the purification mechanism 200 through a small hole arranged at one side of the purification mechanism 200. The nozzles 232 are sequentially arranged at the screw hole structures provided on the second pipe 231. Preferably, the mist of the liquid such as sodium hydroxide sprayed from the spray head 232 can completely cover the horizontal cross-sectional area of the inner cavity of the purification mechanism 200, which is beneficial to fully and completely cleaning the anesthetic waste gas. Preferably, the nozzle used by the nozzle 232 may be an air atomizing nozzle or a multi-head nozzle with a larger fog surface area, which is beneficial to filtering the anesthetic waste gas filtered by the diffusion tube 210 again through the atomized sodium hydroxide.
Preferably, the nozzles 232 may be arranged on the second pipe 231 in sequence, or may be arranged in a staggered arrangement, a parallel arrangement, or the like, which is beneficial to increase the spray area of the nozzles 232.
Preferably, the purification mechanism 200 is further provided with an exhaust port 240 for discharging the first filtered gas in the purification mechanism 200. Preferably, the outer end of the top of the exhaust port 240 is provided with a snap or screw device for facilitating the connection of other devices thereto. Preferably, a pump body is arranged in the channel of the exhaust port 240, which is beneficial to compensating the pressure of the inner cavity of the purification mechanism 200 and overcomes the defect of slow circulation speed of the anesthetic waste gas caused by too small pressure of the inner cavity.
It is preferable that a tail purifier 400 capable of performing a second exhaust gas purification process on the gas discharged from the purification mechanism 200 is provided at one end of the exhaust port 240. Tail purifier 400 includes at least one purification cartridge 410 containing a filter material. Preferably, the inside ozone sterilization layer, the active carbon filter layer, the PP cotton layer and the polypropylene folding filter layer that are provided with of purifying chamber 410 are favorable to guaranteeing that the anesthesia waste gas of arranging to the operating room or outside the operating room mixes with other poisonous harmful substance and can not cause the injury to the human body. The tail purifier 400 is arranged in the pipeline, the filtering efficiency is higher than that of the traditional filtering device, and the atomized sodium hydroxide substances can be filtered. The tail purifier 400 is typically replaced half a year. Meanwhile, the design of the exhaust port at the tail end of the pipeline is in the same direction with the wind direction. Preventing the airflow from flowing backwards; the exhaust port should be provided with a steel wire filter screen to prevent dust, insects and the like from entering the waste gas treatment pipeline to cause blockage.
Preferably, the bottom of the tail purifier 400 in the gravity direction is provided with a gauge 500 for measuring the mass of the tail purifier 400, and a measuring panel 510 for observing the specific mass of the tail purifier 400 is arranged at one end of the gauge 500. The meter 500 is provided at the lower bottom surface in the gravity direction of the rear purifier 400. The tail purifier 400 includes at least one light hose 420 for connection with the exhaust port 240 without affecting the overall quality of the tail purifier 400. Be carved with the nick on measurement panel 510, when the quality of afterbody clarifier 400 reached scrapped numerical value, thereby medical staff observes numerical value and conveniently changes afterbody clarifier 400 on the measurement panel 510, avoid leading to the anesthesia waste gas by the absorptive condition of medical staff because of afterbody clarifier 400 inefficacy, preferably, afterbody clarifier 400 is in the same place through setting up the mode of dovetail and dovetail slider each other card with counter 500 respectively, it can also conveniently dismantle when changing to be favorable to afterbody clarifier 400 to stabilize the setting in counter 500 upper end. Preferably, the meter 500 is fixedly disposed on a support frame extending from one side end of the purifying mechanism 200, which is beneficial to compact structure and convenient storage.
The working principle of the device is as follows:
firstly, a positive pressure gas pipe carried by an operating room is connected into the first connector 110, and the air inflow of the first connector 110 is adjusted according to the condition of a patient through a jet type anesthetic gas discharging technology, so that the suction effect of the second connector is adjusted. The suction effectiveness of the suction mechanism 100 after adjustment does not change. So that the pumping mechanism 100 can perform a stable pumping function, and then the pump body 222 is opened to advance the purge mechanism 200 to a circulation state.
Secondly, the end of the anesthetic gas tube that is introduced into the patient is connected to the second connector 120 through a quick connection, so that the function of stably sucking the anesthetic waste gas is realized. Each operating room is independent and is not interfered by other operating rooms and systems, and a stable, ideal and safe waste gas recycling and discharging technology can be obtained in the mode, and the manufacturing cost is lower than that of a negative pressure type discharging system.
Finally, the second connector 120 is disconnected, and the first connector 110 is disconnected after the second connector 120 is disconnected for a period of time, so that the anesthetic waste gas is completely cleaned by the purification mechanism 200.
It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (10)
1. An anesthetic waste gas suction device comprising a suction mechanism (100) and a purification mechanism (200), characterized in that said suction mechanism (100) comprises at least one ejector (130), said ejector (130) being arranged within said suction mechanism (100) in such a way that a positive pressure power gas source can be utilized to enable said suction mechanism (100) to achieve a suction effect,
the purification mechanism (200) comprises a diffusion pipe (210), a circulator (220) and a sprayer (230), one end of the circulator (220) is communicated with one end of a shell of the purification mechanism (200) in a mode of sucking substances in the purification mechanism (200), the other end of the circulator (220) is communicated with the other end of the purification mechanism (200) in a mode of transmitting the substances sucked by one end of the circulator (220) to the sprayer (230),
the suction mechanism (100) is connected with the purification mechanism (200) in a mode that the ejector (130) is communicated with the diffusion pipe (210).
2. The anesthetic gas suction device as claimed in claim 1, wherein at least one first connector (110) is installed at one end of the housing of the suction mechanism (100) in such a manner as to facilitate the flow of the external positive pressure gas source to the ejector (130).
3. The anesthetic exhaust gas suction device as claimed in claim 2, wherein a second joint (120) for facilitating connection with an external cannula is provided at the gas inlet port of the ejector (130) for absorbing gas.
4. The anesthetic exhaust gas suction device as claimed in claim 3, wherein said suction mechanism (100) communicates with said purge mechanism (200) through an adapter tube (300) which prevents the liquid in said purge mechanism (200) from flowing to said ejector (130), and one end of said adapter tube (300) communicates with an exhaust port of said ejector (130), and one end of said adapter tube (300) communicates with an intake port of said diffuser tube (210).
5. The anesthetic gas suction device as claimed in claim 4, characterized in that the circulator (220) includes at least one pump body (222) and a first pipe (221), the pump body (222) being disposed on a passage path of the first pipe (221).
6. The anesthetic gas suction device as claimed in claim 5, wherein the sprayer (230) comprises at least one second pipe (231) and at least one spray head (232),
at least one spray head (232) is disposed on the second pipe (231) and is used to spray gas discharged from the diffusion pipe (210).
7. The anesthetic exhaust gas suction device as claimed in claim 6, wherein the purification mechanism (200) is further provided with an exhaust port (240) for exhausting filtered gas in the purification mechanism (200).
8. The anesthetic exhaust gas pumping device as claimed in claim 7, wherein a tail purifier (400) for re-filtering the gas exhausted from the purifying mechanism (200) is provided at one end of the exhaust port (240).
9. The anesthetic gas suction device as claimed in claim 8, wherein the tail purifier (400) includes at least one purifying chamber (410) containing a filtering material and a light hose (420) for connecting with the exhaust port (240) without affecting the overall quality of the tail purifier (400).
10. The anesthetic gas suction device as claimed in claim 9, wherein a meter (500) for measuring a mass of the tail purifier (400) is provided at a bottom of the tail purifier (400) in a direction of gravity, and a measuring panel (510) for facilitating observation of a mass size of the tail purifier (400) is provided at one end of the meter (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781108.2U CN213856221U (en) | 2020-11-26 | 2020-11-26 | Anesthesia waste gas suction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781108.2U CN213856221U (en) | 2020-11-26 | 2020-11-26 | Anesthesia waste gas suction device |
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| CN213856221U true CN213856221U (en) | 2021-08-03 |
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| CN202022781108.2U Expired - Fee Related CN213856221U (en) | 2020-11-26 | 2020-11-26 | Anesthesia waste gas suction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926257A (en) * | 2021-11-25 | 2022-01-14 | 郑州大学第一附属医院 | Environment-friendly waste gas treatment device for anesthesia |
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- 2020-11-26 CN CN202022781108.2U patent/CN213856221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926257A (en) * | 2021-11-25 | 2022-01-14 | 郑州大学第一附属医院 | Environment-friendly waste gas treatment device for anesthesia |
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