CN106693141A - Anaesthetic and oxygen respiration dual-purpose mask - Google Patents
Anaesthetic and oxygen respiration dual-purpose mask Download PDFInfo
- Publication number
- CN106693141A CN106693141A CN201710085179.9A CN201710085179A CN106693141A CN 106693141 A CN106693141 A CN 106693141A CN 201710085179 A CN201710085179 A CN 201710085179A CN 106693141 A CN106693141 A CN 106693141A
- Authority
- CN
- China
- Prior art keywords
- dual
- outer enclosure
- cover body
- oxygen uptake
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000001301 oxygen Substances 0.000 title claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 46
- 230000003444 anaesthetic effect Effects 0.000 title abstract description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 title abstract description 5
- 239000007789 gas Substances 0.000 claims abstract description 43
- 206010002091 Anaesthesia Diseases 0.000 claims description 21
- 230000037005 anaesthesia Effects 0.000 claims description 21
- 239000003994 anesthetic gas Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 206010049244 Ankyloglossia congenital Diseases 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 210000004894 snout Anatomy 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract 1
- 208000002925 dental caries Diseases 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 210000000216 zygoma Anatomy 0.000 description 1
Classifications
-
- 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
- A61M16/06—Respiratory or anaesthetic masks
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to an anaesthetic and oxygen respiration dual-purpose mask. The anaesthetic and oxygen respiration dual-purpose mask comprises an external mask body and an internal mask body, wherein the external mask body can be combined with the nasal part of a user in a sealed mode to form a first cavity, and corresponding to the nasal position, the external mask body is provided with an air inlet communicated with the first cavity for connecting an anaesthetic gas supply device or an oxygen supply device; the internal mask body is detachably connected to the inner side of the external mask body and can be combined with the mouth part of the user to form a second cavity, also, the internal mask body is provided with an air outlet, which is communicated with the second cavity and penetrates the external mask body for communicating with a gas recovery device generating negative pressure. According to the anaesthetic and oxygen respiration dual-purpose mask, the air inlet of the external mask body can provide anaesthetic gas or oxygen for the nasal part, and the air outlet of the internal mask body can effectively recover gas exhaled from the mouth part, and meanwhile, the external mask body can independently serve as a common mask for different applications.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of anesthesia dual-purpose mask of oxygen uptake.
Background technology
At present, generally using mask by the nose and mouth of patient when being anaesthetized to patient in operation, the other end connects
The screwed pipe of Anesthesia machine is connect, anesthetic gases is conveyed to patient by the good mask of seal.When in art or it is postoperative need when,
Oxygen can also be conveyed to patient by same mask.
But, this general mask does not account for the removing problem of anesthetic gases in patients with respiratory tract, not right yet
The anesthetic gases is effectively reclaimed.It would therefore be highly desirable to provide it is a kind of can and meanwhile in realizing art anesthesia and gas reclaim fiber crops
The liquor-saturated dual-purpose mask of oxygen uptake.
The content of the invention
The technical problem to be solved in the present invention is that lacking gas for anaesthetic mask of the prior art reclaims function
Defect, there is provided one kind anesthesia dual-purpose mask of oxygen uptake.
In order to solve the above-mentioned technical problem, the invention provides one kind anesthesia dual-purpose mask of oxygen uptake, including：Outer enclosure and
Internal cover body；The outer enclosure is closed with human body snout to combine to form the first cavity, the outer enclosure correspondence nose position
The air inlet connected with first cavity is installed, for connecting anesthetic gases feedway or oxygen feedway；Institute
State internal cover body and be detachably connected on the outer enclosure inner side, the internal cover body combines to form second with human body oral area is closed
Cavity, the internal cover body is provided with and connected with second cavity and through the gas outlet of the outer enclosure, produced for connecting
The gas concentration unit of raw negative pressure.
In a preferred embodiment in accordance with the present invention, the top of the outer enclosure has nose type cambered surface；The air inlet
Mouth is arranged on the position of concave end under the nose type cambered surface, and bearing of trend is consistent with human body nose airintake direction.
In a preferred embodiment in accordance with the present invention, be additionally provided with the internal cover body connected with second cavity and
Through the Unidirectional air inlet valve of the outer enclosure.
In a preferred embodiment in accordance with the present invention, the outer enclosure surface in advance offer with the gas outlet or
The opening of the external diameter adaptation of Unidirectional air inlet valve, and the opening is provided with sealing cover body.
In a preferred embodiment in accordance with the present invention, the opening is embedded with annular rubber ring, in the outlet
Mouth or Unidirectional air inlet valve are sealed when running through the opening.
In a preferred embodiment in accordance with the present invention, the internal cover body is fixed with outer enclosure by fastener.
In a preferred embodiment in accordance with the present invention, the nose type cambered surface top is provided with stomata.
In a preferred embodiment in accordance with the present invention, the end face of the outer enclosure is provided with air bag, on the air bag
Charge valve is installed.
In a preferred embodiment in accordance with the present invention, the end face of the internal cover body is provided with flexible seal ring.
In a preferred embodiment in accordance with the present invention, the outer enclosure both sides are provided with frenulum.
Implement the anesthesia dual-purpose mask of oxygen uptake of the invention, have the advantages that：The dual-purpose face of anesthesia oxygen uptake of the invention
Cover include dismountable outer enclosure and inside cover body, wherein by the air inlet of outer enclosure for nose provide anesthetic gases or
Person's oxygen, and the gas breathed out by oral area is effectively reclaimed by the gas outlet of internal cover body, and its outer enclosure may be used also
It is used alone as conventional mask, to adapt to different application scenarios.
Brief description of the drawings
Fig. 1 is the overall structure figure for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention；
Fig. 2 is the outer enclosure structure chart for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention；
Fig. 3 is the first use state figure for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention；
Fig. 4 is the second use state figure for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention；
In figure：1- outer enclosures；2- inside cover body；3- air inlet pipe；4- escaping pipes；5- air bags；6- charge valves；7- frenulums；
The cavitys of 11- first；12- air inlets；13- nose type cambered surfaces；14- is open；15- sealing cover bodies；16- stomatas；The cavitys of 21- second；22-
Gas outlet；23- Unidirectional air inlet valves；24- flexible seal rings；25- fasteners.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is referred to, is the overall structure figure for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention.Such as
Shown in Fig. 1, the dual-purpose mask of anesthesia oxygen uptake that the embodiment is provided includes：Outer enclosure 1 and internal cover body 2.
Wherein outer enclosure 1 combines to form the first cavity 11 with human body snout is closed.For example, the end face of outer enclosure 1
The wing of nose, cheekbone and mandibular with human body face are fitted, and form closed cavity.The corresponding nose position of outer enclosure 1 be provided with
The air inlet 12 of first cavity 11 connection, the air inlet 12 can be connected to anesthetic gases supply dress for example, by air inlet pipe 3
Put or oxygen feedway, such as Anesthesia machine or oxygen absorption machine.Preferably, the top of outer enclosure 1 has and human body nose
The similar nose type cambered surface 13 of physiology and appearance, the lower end of nose type cambered surface 13 caves inward.Air inlet 12 can be arranged on nose type arc
The position of the concave end of face 13 times, and bearing of trend is consistent with human body nose airintake direction so that face is conveyed into by air inlet 12
Gas in cover can be directly entered in nostril, promote gas to absorb.
Internal cover body 2 is removably mounted at the inner side of outer enclosure 1.The inside cover body 2 and the closed combination shape of human body oral area
Into the second cavity 21.For example, the end face of internal cover body 2 is fitted with human body mouth rim, closed cavity is formed.Internal cover body 2
Gas outlet 22 is provided with, the gas outlet 22 connects and through outer enclosure 11 with the second cavity 21.The gas outlet 22 can be by example
As escaping pipe 4 is connected to connection gas concentration unit.
Preferably, gas concentration unit can provide negative pressure, and then the gas that will be breathed out by oral area for the second cavity 21
Body extracts mask out by gas outlet 22.In order to keep air balance, also internally the lower section of cover body 2 is provided with one-way air inlet to the present invention
Valve 23.When internally cover body 2 is connected with outer enclosure 1, the Unidirectional air inlet valve 23 runs through outer enclosure, connects with extraneous air
It is logical.The Unidirectional air inlet valve 23 can internally cover body 2 pressure be less than external pressure when unidirectionally inwardly open, so as to prevent inside
The air pressure inside of cover body 2 is too low, influences eupnea.
Fig. 2 is referred to, is the outer enclosure structure for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention
Figure.As shown in Fig. 2 offering opening 14 in advance on outer enclosure 1, its position corresponds to the position of the gas outlet 22 of internal cover body 2
Put, and shape is adapted to the external diameter of gas outlet 22, to ensure that gas outlet 22 is combined closely with outer enclosure 1, prevents gas from occurring
Leakage.In a preferred embodiment, the diameter of opening 14 is slightly less than the external diameter of gas outlet 22, and outer enclosure 1 is used
Have resilient material to be made, the formed interference fit when gas outlet 22 penetrates opening 14, realization is sealed well.Another
It is a kind of preferred embodiment in, outer enclosure 1 is made of rigidity or semi-rigid material, and opening 14 is embedded with ring-shaped rubber
Circle, the internal diameter of annular rubber ring is slightly less than the external diameter of gas outlet 22, for the formed mistake when gas outlet 22 penetrates opening 14
It is full of cooperation.The seal of the first cavity 11, closure is previously provided with opening 14 during in order to ensure the exclusive use of outer enclosure 1
Body 15.The sealing cover body 15 can take off lid for serum cap or plastics, such as by plastics paster and the neighboring area of opening 14
Adhesive seal.Similarly, outer enclosure 1 also is provided be open accordingly 14 and closure in the position of correspondence Unidirectional air inlet valve 23
Body 15, sealing is realized by foregoing mode.
The end face of outer enclosure 1 is provided with air bag 5, and charge valve 6 is provided with the air bag 5, for for air bag 5 inflation so as to
Realization is brought into close contact with human body face, reaches good sealing effectiveness.The both sides of the outer enclosure 1 are additionally provided with frenulum 7, can
Fixed with to hang over realized on two ears.Preferably, the 13- nose type cambered surfaces top of outer enclosure 1 is provided with miniature stomata 16, for tieing up
Air pressure balance is held, to ensure the comfort level of breathing.
Preferably, internal cover body 2 can be using being embodied in various ways being detachably connected with outer enclosure 1.It is excellent in one kind
In the implementation method of choosing, internal cover body 2 is realized snapping connection by fastener 25 and outer enclosure 1.On the end face of internal cover body 2
Flexible seal ring 24 is provided with, for being fitted with human body oral area perimetral tight, good sealing effectiveness is reached.
The dual-purpose mask of anesthesia oxygen uptake of the invention can use outer enclosure 1 separately as conventional mask.Refer to
Fig. 3, is the first use state figure for anaesthetizing the dual-purpose mask of oxygen uptake provided according to the preferred embodiment of the present invention.As illustrated,
In surgical procedure, single outer enclosure 1 is covered on the snout of patient, and fix by frenulum 7 and head.By outer enclosure
1 air inlet 12 is connected to anesthetic gases feedway, such as Anesthesia machine by air inlet pipe 3.The now sealing on outer enclosure 1
Lid 15 is in closed state, opens charge valve 6, is that air bag 5 is inflated, and outer enclosure 1 and human body snout form closed the
One cavity 11, so that for patient conveys anesthetic gases.When oxygen uptake is needed, it is also possible to by air inlet 12 for the first cavity 11 is defeated
Send oxygen.
The dual-purpose mask of anesthesia oxygen uptake of the invention can also be connected outer enclosure 1 with internal cover body 2 as with gas
The mask for reclaiming function is used.Refer to Fig. 4, for provided according to the preferred embodiment of the present invention the of the anesthesia dual-purpose mask of oxygen uptake
Two use state figures.As illustrated, the sealing cover body 15 of outer enclosure 1 is opened, by the gas outlet 22 of internal cover body 2 and unidirectionally
Air intake valve 23 inserts respective opening 14, and realizes fixing by fastener and outer enclosure 1.Then, outer enclosure 1 is connected
It is fixed on the face of patient together with inside cover body 2.In operation, air inlet 12 is connected to anesthetic gases by air inlet pipe 3
Feedway, such as Anesthesia machine.Gas outlet 22 is connected to gas concentration unit by escaping pipe 4, and opens negative pressure and reclaim gas
Body.Anesthetic gases will be flowed into the first cavity 11 of outer enclosure 1 from air inlet 12, and patient passes through nose inhalation anesthesia gas
Body, while gas concentration unit internally produces negative pressure in the second cavity 21 of cover body 2, the negative pressure will be breathed out from patient mouthful
Gas is extracted out, and it is recycled.After surgery, air inlet 12 can be connected into oxygen by air inlet pipe 3 to supply
Device.Similarly, oxygen is flowed into the first cavity 11 of outer enclosure 1 from air inlet 12, and patient passes through nose oxygen intake,
Gas concentration unit internally produces in the second cavity 21 of cover body 2 negative pressure, the negative pressure will to be remained from patients with respiratory tract simultaneously
Anesthetic gases or extracted out with the mixed gas of oxygen, and it is recycled.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. it is a kind of to anaesthetize the dual-purpose mask of oxygen uptake, it is characterised in that including：Outer enclosure (1) and internal cover body (2)；
The outer enclosure (1) is closed with human body snout to combine to form the first cavity (11), outer enclosure (1) the correspondence nose
Position installs the air inlet (12) connected with first cavity (11), for connecting anesthetic gases feedway or oxygen
Feedway；
The internal cover body (2) is detachably connected on the outer enclosure (1) inner side, the internal cover body (2) and human body oral area
Closed to combine to form the second cavity (21), the internal cover body (2) is provided with and is connected and through described with second cavity (21)
The gas outlet (22) of outer enclosure (1), the gas concentration unit of negative pressure is produced for connecting.
2. it is according to claim 1 to anaesthetize the dual-purpose mask of oxygen uptake, it is characterised in that the top tool of the outer enclosure (1)
There is nose type cambered surface (13)；The air inlet (12) is arranged on the position of concave end under the nose type cambered surface (13), and bearing of trend
It is consistent with human body nose airintake direction.
3. it is according to claim 1 and 2 to anaesthetize the dual-purpose mask of oxygen uptake, it is characterised in that also to be set on the internal cover body (2)
Having connected with second cavity (21) and through the Unidirectional air inlet valve (23) of the outer enclosure (1).
4. it is according to claim 3 to anaesthetize the dual-purpose mask of oxygen uptake, it is characterised in that outer enclosure (1) surface is advance
The opening (14) being adapted to the external diameter of the gas outlet (22) or Unidirectional air inlet valve (23) is offered, and on the opening (14)
It is provided with sealing cover body (15).
5. it is according to claim 4 to anaesthetize the dual-purpose mask of oxygen uptake, it is characterised in that the opening (14) is embedded with annular rubber
Cushion rubber, for being sealed when the gas outlet (22) or Unidirectional air inlet valve (23) are through the opening (14).
6. the dual-purpose mask of anesthesia oxygen uptake according to any one of claim 1-4, it is characterised in that the internal cover body
(2) it is fixed by fastener (25) with outer enclosure (1).
7. the dual-purpose mask of anesthesia oxygen uptake according to any one of claim 1-4, it is characterised in that the nose type cambered surface
(13) top is provided with stomata (16).
8. the dual-purpose mask of anesthesia oxygen uptake according to any one of claim 1-4, it is characterised in that the outer enclosure
(1) end face is provided with air bag (5), and charge valve (6) is provided with the air bag (5).
9. the dual-purpose mask of anesthesia oxygen uptake according to any one of claim 1-4, it is characterised in that the internal cover body
(2) end face is provided with flexible seal ring (24).
10. the dual-purpose mask of anesthesia oxygen uptake according to any one of claim 1-4, it is characterised in that the outer enclosure
(1) both sides are provided with frenulum (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085179.9A CN106693141A (en) | 2017-02-17 | 2017-02-17 | Anaesthetic and oxygen respiration dual-purpose mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085179.9A CN106693141A (en) | 2017-02-17 | 2017-02-17 | Anaesthetic and oxygen respiration dual-purpose mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106693141A true CN106693141A (en) | 2017-05-24 |
Family
ID=58911777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085179.9A Pending CN106693141A (en) | 2017-02-17 | 2017-02-17 | Anaesthetic and oxygen respiration dual-purpose mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693141A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496288A (en) * | 2019-09-29 | 2019-11-26 | 成都科飞达医疗器械有限公司 | Anaesthesia breathing mask |
| US20210113789A1 (en) * | 2019-10-16 | 2021-04-22 | Thomas Jefferson University | Accessory for removing and sequestering waste anesthetic gas |
| CN114177397A (en) * | 2021-12-22 | 2022-03-15 | 郑州大学第一附属医院 | Lung respiratory lavage device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263874B1 (en) * | 1997-11-18 | 2001-07-24 | Ledez Kenneth Michael | Combined anesthetic and scavenger mask |
| US20100122704A1 (en) * | 2008-11-19 | 2010-05-20 | Moenning Jr John Edward | Combination anesthesia and scavenger surgical mask |
| CN201880161U (en) * | 2010-11-30 | 2011-06-29 | 郑辉利 | Anaesthetic mask ventilating through nose |
| CN204106789U (en) * | 2014-10-10 | 2015-01-21 | 刘桐言 | Anesthesia surgery suck-back-prevention type blow vent nasal mask |
| CN204601327U (en) * | 2015-04-03 | 2015-09-02 | 高锐明 | With the anaesthetic mask of waste gas recovering device |
| CN105451603A (en) * | 2013-06-28 | 2016-03-30 | 革新医疗器械有限公司 | Positioning device and method for use with a patient under anesthesia |
| CN207253560U (en) * | 2017-02-17 | 2018-04-20 | 北京积水潭医院 | One kind anesthesia dual-purpose mask of oxygen uptake |
-
2017
- 2017-02-17 CN CN201710085179.9A patent/CN106693141A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263874B1 (en) * | 1997-11-18 | 2001-07-24 | Ledez Kenneth Michael | Combined anesthetic and scavenger mask |
| US20100122704A1 (en) * | 2008-11-19 | 2010-05-20 | Moenning Jr John Edward | Combination anesthesia and scavenger surgical mask |
| CN201880161U (en) * | 2010-11-30 | 2011-06-29 | 郑辉利 | Anaesthetic mask ventilating through nose |
| CN105451603A (en) * | 2013-06-28 | 2016-03-30 | 革新医疗器械有限公司 | Positioning device and method for use with a patient under anesthesia |
| CN204106789U (en) * | 2014-10-10 | 2015-01-21 | 刘桐言 | Anesthesia surgery suck-back-prevention type blow vent nasal mask |
| CN204601327U (en) * | 2015-04-03 | 2015-09-02 | 高锐明 | With the anaesthetic mask of waste gas recovering device |
| CN207253560U (en) * | 2017-02-17 | 2018-04-20 | 北京积水潭医院 | One kind anesthesia dual-purpose mask of oxygen uptake |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496288A (en) * | 2019-09-29 | 2019-11-26 | 成都科飞达医疗器械有限公司 | Anaesthesia breathing mask |
| CN110496288B (en) * | 2019-09-29 | 2024-04-19 | 四川科弘医疗器械有限公司 | Anesthesia respirator |
| US20210113789A1 (en) * | 2019-10-16 | 2021-04-22 | Thomas Jefferson University | Accessory for removing and sequestering waste anesthetic gas |
| CN114177397A (en) * | 2021-12-22 | 2022-03-15 | 郑州大学第一附属医院 | Lung respiratory lavage device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |