CN216934376U - Drainage respirator device for preventing asphyxia - Google Patents
Drainage respirator device for preventing asphyxia Download PDFInfo
- Publication number
- CN216934376U CN216934376U CN202220006091.XU CN202220006091U CN216934376U CN 216934376 U CN216934376 U CN 216934376U CN 202220006091 U CN202220006091 U CN 202220006091U CN 216934376 U CN216934376 U CN 216934376U
- Authority
- CN
- China
- Prior art keywords
- main body
- fixed
- tube
- oxygen
- patient
- 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.)
- Expired - Fee Related
Links
- 206010003497 Asphyxia Diseases 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 42
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000001301 oxygen Substances 0.000 claims abstract description 37
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 37
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000008673 vomiting Effects 0.000 claims abstract description 15
- 210000004916 vomit Anatomy 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000000241 respiratory effect Effects 0.000 claims description 10
- 238000003032 molecular docking Methods 0.000 claims description 9
- 210000002345 respiratory system Anatomy 0.000 claims 1
- 210000001331 nose Anatomy 0.000 abstract description 13
- 210000003928 nasal cavity Anatomy 0.000 abstract description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002695 general anesthesia Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 206010047700 Vomiting Diseases 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 208000008784 apnea Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
The utility model discloses a drainage breathing mask device for preventing asphyxia, which relates to the technical field of medical appliances and comprises: a main body; the nose clip is arranged at the top end of one side of the main body; the oxygen tube is arranged at the lower end of one side of the main body and is positioned below the nose clip; the air outlet hole grooves are arranged at two ends of the main body and are positioned above the oxygen pipe; a storage bag; a mechanism is replaced; a blocking mechanism. According to the utility model, the blocking mechanism is arranged, so that the blockage of vomit to the nasal cavity can be avoided, the sealing strip is clamped into the connecting clamping groove of the mouth rubber blocking frame, when the main body is in sleeve joint with the face of a patient through the telescopic belt, the mouth rubber blocking frame is tightly attached to the face of the patient through the sealing strip, meanwhile, oxygen supplied to the oxygen tube by the patient is absorbed through the air inlet hole groove, when the patient vomits, the vomit can be effectively prevented from entering the nasal cavity through the blocking of the mouth rubber blocking frame, and the phenomenon that the vomit blocks the nasal cavity is avoided.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a drainage breathing mask device for preventing asphyxia.
Background
The industrial oxygen machine takes air as a raw material, does not need any auxiliary materials, separates oxygen from nitrogen in the air by a pressure swing adsorption method, and filters harmful substances in the air, thereby obtaining high-concentration oxygen meeting medical standards. The oxygen supply device has the advantages that oxygen with the purity of 90% is provided for people to meet requirements of all parties, installation and operation cost is lower than that of bottled or liquefied oxygen, the oxygen machine supplies oxygen to patients through the mask, the mask is connected with an oxygen pipe through a connector when in use at present, oxygen in the oxygen machine enters the mask, the nose clip above the oxygen machine is used for clipping the nose, the sealing effect is effectively kept, and exhaled gas enters the outside through the air outlet hole groove in the mask.
In the process of resuscitation after general anesthesia, the patient needs the face guard oxygen uptake, because of the reason of gastrointestinal reaction behind general anesthesia, nausea and vomiting often can appear in the patient's resuscitation process, in case take place the vomiting during the face guard oxygen uptake, vomitus can be full of the oxygen face guard in the twinkling of an eye and block up the nasal cavity, cause the patient to easily take place the aspiration and lead to suffocation, lead to the emergence of serious medical accident, consequently, how can be in the process of resuscitation after general anesthesia, avoid patient's vomitus to get into the nasal cavity, guarantee postoperative resuscitation safety, become the technological problem that has been difficult to solve for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems that vomitus cannot be conveniently and quickly treated and the nasal cavity is easily blocked by the vomitus, the respiratory mask device for drainage and asphyxia prevention is provided.
In order to achieve the purpose, the utility model provides the following technical scheme: a drainage apnea-preventing respiratory mask assembly, comprising:
a main body;
the nose clip is arranged at the top end of one side of the main body;
the oxygen tube is arranged at the lower end of one side of the main body and is positioned below the nose clip;
the air outlet hole grooves are arranged at two ends of the main body and are positioned above the oxygen pipe;
a receiving bag provided at one end of the main body;
the replacing mechanism is fixed at one end of the containing bag, arranged at one end of the main body and penetrates into the main body, and is used for conveniently replacing the containing bag;
and the blocking mechanism is fixed in the main body and positioned below the nose clip and used for preventing vomitus of the patient from blocking the main body.
As a still further scheme of the utility model: change mechanism includes sealing baffle, sealed plug, butt joint and inserts a section of thick bamboo, connecting cylinder, spacing rotary slot and a solid fixed cylinder, the solid fixed cylinder is fixed in the one end of main part, and runs through to the inside of main part, the top that main part one end was kept away from at the solid fixed cylinder is installed to sealed plug, sealing baffle fixes the one end that sealed plug is close to the main part, the butt joint is inserted a section of thick bamboo setting and is kept away from the one end of main part at the solid fixed cylinder, and runs through to the inside of solid fixed cylinder, spacing rotary slot is provided with a plurality ofly, and is a plurality of spacing rotary slot circumference distributes at the outer wall of butt joint and inserts a section of thick bamboo, the connecting cylinder is fixed in the one end of butt joint and is inserted a section of thick bamboo, and is located the solid fixed cylinder and keeps away from the one end of main part to with storage bag fixed connection.
As a still further scheme of the utility model: stop mechanism includes the inlet port groove, and the mouth keeps off gluey frame and sealing strip, the mouth keeps off gluey frame and fixes in the inside of main part, and cup joints each other with a solid fixed cylinder, the inlet port groove sets up and keeps off the top of gluey frame at the mouth, and is located the below that the nose pressed from both sides, the sealing strip sets up and keeps off one side of gluing the frame and keeping away from the oxygen hose at the mouth, and runs through to the inside that the mouth kept off gluey frame.
As a still further scheme of the utility model: the oxygen hose passes through joint and main part fixed connection, the main part cup joints the cover through telescopic band and patient's face.
As a still further scheme of the utility model: the fixed cylinder is rotatably connected with the sealing rubber plug through a hinge, and the inner wall of the fixed cylinder is matched with the outer wall of the butt joint insertion cylinder.
As a still further scheme of the utility model: the inner wall of the limiting rotary groove is U-shaped, and a limiting clamping block matched with the inner wall of the limiting rotary groove is arranged inside the fixed cylinder.
As a still further scheme of the utility model: the mouth keeps off and glues frame and sealing strip department of meeting and is provided with the connecting groove who matches each other rather than the outer wall.
Compared with the prior art, the utility model has the beneficial effects that:
1. the mechanism can realize convenient replacement of the storage bag by arranging a replacement mechanism, the sealed rubber plug is driven to be separated from the inside of the fixed cylinder by buckling the sealed baffle, the sealed rubber plug drives the sealed baffle to turn over through a hinge at the moment, then the butt joint insertion cylinder is inserted into the inside of the fixed cylinder, the limiting fixture block inside the fixed cylinder is mutually sleeved with the limiting rotary groove at the moment, meanwhile, the rotary connecting cylinder drives the butt joint insertion cylinder to rotate, so that the limiting fixture block slides in the limiting rotary groove, and then the connecting cylinder is pulled to enable the limiting rotary groove to limit and clamp the limiting fixture block, so that the storage bag can be conveniently replaced;
2. through setting up blocking mechanism, this mechanism can avoid the vomitus to cause the jam to the nasal cavity, through going into the sealing strip card to the inside of the connecting slot of mouth fender rubber frame, when the main part cup joints the cover through the telescopic band with patient's face, the mouth keeps off rubber frame and closely laminates through sealing strip and patient's face this moment, make the patient to the oxygen uptake that the oxygen hose supplied with through the inlet port groove simultaneously, when the patient vomits, keep off the inside that the vomitus can not get into the nasal cavity through blocking of rubber frame of mouth this moment, thereby avoid the vomitus to cause the phenomenon of jam to the nasal cavity.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view schematic illustration of the explosive structure of the present invention;
fig. 3 is a partially enlarged view of the point a of the present invention.
In the figure: 1. a main body; 2. a mechanism is replaced; 201. sealing the baffle; 202. sealing the rubber plug; 203. butting and inserting the cylinders; 204. a connecting cylinder; 205. a limiting rotary groove; 206. a fixed cylinder; 3. a blocking mechanism; 301. an air inlet hole groove; 302. a mouth glue blocking frame; 303. a sealing strip; 4. a nose clip; 5. an oxygen pipe; 6. an air outlet hole groove; 7. a storage bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a respiratory mask device for preventing asphyxia drainage includes:
a main body 1;
a nose clip 4 mounted on one side top end of the main body 1;
an oxygen tube 5 arranged at the lower end of one side of the main body 1 and positioned below the nose clip 4;
the air outlet grooves 6 are arranged at the two ends of the main body 1 and are positioned above the oxygen pipe 5;
a storage bag 7 provided at one end of the main body 1;
the replacing mechanism 2 is fixed at one end of the containing bag 7, is arranged at one end of the main body 1, penetrates into the main body 1 and is used for conveniently replacing the containing bag 7;
and the blocking mechanism 3 is fixed in the main body 1 and is positioned below the nose clip 4 and used for preventing vomit of a patient from blocking the main body 1.
In this embodiment: make main part 1 cup joint the cover to patient's face through the telescopic band, closely laminate through 3 pairs of patient's faces of barrier mechanism this moment, then change mechanism 2 makes and accomodate bag 7 and main part 1 and carry out convenient installation fixed, when the patient vomits, avoids vomitus to cause the jam to the nasal cavity through 3 pairs of barrier mechanism this moment to carry out convenient collection to the vomitus through change mechanism 2, thereby carry out convenient centralized processing to the vomitus.
Please refer to fig. 1 to 3, the replacing mechanism 2 includes a sealing baffle 201, a sealing rubber plug 202, a docking insertion tube 203, a connecting tube 204, a limiting rotation slot 205 and a fixing tube 206, the fixing tube 206 is fixed at one end of the main body 1 and penetrates into the main body 1, the sealing rubber plug 202 is installed at the top end of the fixing tube 206 far away from one end of the main body 1, the sealing baffle 201 is fixed at one end of the sealing rubber plug 202 close to the main body 1, the docking insertion tube 203 is arranged at one end of the fixing tube 206 far away from the main body 1 and penetrates into the fixing tube 206, the limiting rotation slot 205 is provided in plurality, the limiting rotation slots 205 are circumferentially distributed on the outer wall of the docking insertion tube 203, the connecting tube 204 is fixed at one end of the docking insertion tube 203 and is located at one end of the fixing tube 206 far away from the main body 1 and is fixedly connected with the storage bag 7.
In this embodiment: the sealing rubber plug 202 is driven to be separated from the inside of the fixed cylinder 206 by buckling the sealing baffle 201, at the moment, the sealing rubber plug 202 drives the sealing baffle 201 to turn over through a hinge, then the butt-joint inserting cylinder 203 is inserted into the fixed cylinder 206, at the moment, the limiting fixture block in the fixed cylinder 206 is mutually sleeved with the limiting rotary groove 205, meanwhile, the rotary connecting cylinder 204 drives the butt-joint inserting cylinder 203 to rotate in the fixed cylinder 206, so that the limiting fixture block slides in the limiting rotary groove 205, then the connecting cylinder 204 is pulled to drive the butt-joint inserting cylinder 203 to enable the limiting rotary groove 205 to clamp and fix the limiting fixture block, so that the storage bag 7 is conveniently installed, when a patient vomits, vomits enter the butt-joint inserting cylinder 203 through the fixed cylinder 206, and meanwhile, the vomits are gathered in the storage bag 7 through the guide of the connecting cylinder 204, so that the vomits are collected and stored, and then the operations are reversely operated, thereby conveniently and intensively processing vomit.
Please refer to fig. 1-2, the blocking mechanism 3 includes an air inlet hole slot 301, a mouth rubber blocking frame 302 and a sealing strip 303, the mouth rubber blocking frame 302 is fixed inside the main body 1 and is sleeved with the fixing cylinder 206, the air inlet hole slot 301 is disposed at the top end of the mouth rubber blocking frame 302 and is located below the nose clip 4, and the sealing strip 303 is disposed at one side of the mouth rubber blocking frame 302 far away from the oxygen tube 5 and penetrates into the mouth rubber blocking frame 302.
In this embodiment: through going into sealing strip 303 card to the mouth keep off the inside of gluey connecting slot of frame 302, when main part 1 cup joints through telescopic band and patient's face and covers, the mouth keeps off gluey frame 302 and closely laminates through sealing strip 303 and patient's face this moment, make the patient carry out the oxygen uptake to the oxygen that oxygen hose 5 supplied with through inlet hole groove 301 simultaneously, when the patient vomits, keep off the inside that the vomitus can not get into the nasal cavity through blockking of frame 302 of mouth this moment, thereby effectively avoid the vomitus to cause the phenomenon of jam to the nasal cavity.
Please refer to fig. 1-2, the oxygen tube 5 is fixedly connected to the main body 1 through a joint, and the main body 1 is sleeved on and covered on the face of the patient through a telescopic belt.
In this embodiment: the main body 1 is attached to and covers the face of the patient by the extensible band.
Please refer to fig. 1 to 3, the fixed cylinder 206 is rotatably connected to the sealing rubber plug 202 via a hinge, and the inner wall of the fixed cylinder 206 is matched with the outer wall of the docking insertion cylinder 203.
In this embodiment: the sealing rubber plug 202 is turned over at one end of the fixed cylinder 206 through a hinge, so that the fixed cylinder 206 can be conveniently sealed.
Please refer to fig. 1 to 3, the inner wall of the limiting rotation groove 205 is U-shaped, and a limiting block matched with the inner wall of the limiting rotation groove 205 is disposed inside the fixing cylinder 206.
In this embodiment: through the mutual cup joint of spacing fixture block and spacing rotary groove 205 make, spacing fixture block carries out the joint to spacing rotary groove 205 spacing to it is fixed to make fixed section of thick bamboo 206 and butt joint insert a section of thick bamboo 203 to carry out convenient cup joint.
Please refer to fig. 1-2, a connecting slot matching with the outer wall of the sealing strip 303 is disposed at the connecting position of the nozzle rubber blocking frame 302 and the sealing strip 303.
In this embodiment: make sealing strip 303 fix inside one side that frame 302 was kept off to the mouth conveniently through connecting the draw-in groove to carry out convenient the change to sealing strip 303.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. A respiratory mask assembly for use in a respiratory system for preventing asphyxia, comprising:
a main body (1);
the nose clip (4) is arranged at the top end of one side of the main body (1);
the oxygen pipe (5) is arranged at the lower end of one side of the main body (1) and is positioned below the nose clip (4);
the air outlet grooves (6) are arranged at two ends of the main body (1) and are positioned above the oxygen pipe (5);
a storage bag (7) provided at one end of the main body (1);
the replacing mechanism (2) is fixed at one end of the containing bag (7), is arranged at one end of the main body (1), penetrates into the main body (1), and is used for conveniently replacing the containing bag (7);
the blocking mechanism (3) is fixed in the main body (1) and is positioned below the nose clip (4) and used for preventing vomit of a patient from blocking the main body (1).
2. The respiratory mask device for preventing asphyxia drainage according to claim 1, wherein the replacing mechanism (2) comprises a sealing baffle (201), a sealing rubber plug (202), a docking insertion tube (203), a connecting tube (204), a limiting rotation slot (205), and a fixed tube (206), the fixed tube (206) is fixed at one end of the main body (1) and penetrates into the main body (1), the sealing rubber plug (202) is installed at the top end of the fixed tube (206) far away from one end of the main body (1), the sealing baffle (201) is fixed at one end of the sealing rubber plug (202) close to the main body (1), the docking insertion tube (203) is arranged at one end of the fixed tube (206) far away from the main body (1) and penetrates into the inside of the fixed tube (206), the limiting rotation slot (205) is provided with a plurality of limiting rotation slots (205) circumferentially distributed on the outer wall of the docking insertion tube (203), the connecting cylinder (204) is fixed at one end of the butt joint inserting cylinder (203), is positioned at one end, far away from the main body (1), of the fixing cylinder (206), and is fixedly connected with the containing bag (7).
3. A respiratory mask device according to claim 2, wherein the blocking mechanism (3) comprises an air inlet slot (301), a mouth blocking frame (302) and a sealing strip (303), the mouth blocking frame (302) is fixed inside the main body (1) and sleeved with the fixing cylinder (206), the air inlet slot (301) is arranged at the top end of the mouth blocking frame (302) and located below the nose clip (4), and the sealing strip (303) is arranged at one side of the mouth blocking frame (302) far away from the oxygen tube (5) and penetrates through the inside of the mouth blocking frame (302).
4. A respiratory mask assembly according to claim 1, wherein the oxygen tube (5) is fixedly connected to the main body (1) via a connector, and the main body (1) is covered by a telescopic strap.
5. A respiratory mask assembly according to claim 2, wherein the stationary canister (206) is pivotally connected to the sealing plug (202) by a hinge, and the inner wall of the stationary canister (206) mates with the outer wall of the docking insert (203).
6. The respiratory mask device for preventing asphyxia with drainage of claim 2, wherein the inner wall of the limiting rotation groove (205) is U-shaped, and a limiting fixture block matched with the inner wall of the limiting rotation groove (205) is arranged inside the fixed cylinder (206).
7. A respiratory mask device for preventing asphyxia according to claim 3, wherein the connection position of the mouth blocking rubber frame (302) and the sealing strip (303) is provided with a connection slot matched with the outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006091.XU CN216934376U (en) | 2022-01-04 | 2022-01-04 | Drainage respirator device for preventing asphyxia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006091.XU CN216934376U (en) | 2022-01-04 | 2022-01-04 | Drainage respirator device for preventing asphyxia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216934376U true CN216934376U (en) | 2022-07-12 |
Family
ID=82314845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220006091.XU Expired - Fee Related CN216934376U (en) | 2022-01-04 | 2022-01-04 | Drainage respirator device for preventing asphyxia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216934376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999005A (en) * | 2023-03-15 | 2023-04-25 | 杭州超德斯实业有限公司 | Medical oxygen mask |
-
2022
- 2022-01-04 CN CN202220006091.XU patent/CN216934376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999005A (en) * | 2023-03-15 | 2023-04-25 | 杭州超德斯实业有限公司 | Medical oxygen mask |
| CN115999005B (en) * | 2023-03-15 | 2023-08-22 | 杭州超德斯实业有限公司 | Medical oxygen mask |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0917478B1 (en) | Supplemental oxygen adapter for tracheostomy speaking valves | |
| CN216934376U (en) | Drainage respirator device for preventing asphyxia | |
| WO2007025336A1 (en) | Oxygenating device and method | |
| WO2020253273A1 (en) | Ventilator mask with mask body detachable at left and right sides | |
| CN110101987B (en) | Foldable gas mask | |
| CN214970745U (en) | Emergency nursing oxygen inhalation mask | |
| CN215024559U (en) | Trachea cannula for ICU patient | |
| CN215537539U (en) | Fixing device for oral tracheal cannula | |
| CN209734711U (en) | Breathe oxygen mask for internal medicine | |
| CN215961671U (en) | Children anesthesia inhalation induction device | |
| CN214860201U (en) | Multi-channel oropharyngeal ventilation device for anesthesia department | |
| CN210933286U (en) | Tracheal catheter extension tube with filtering function | |
| CN219071689U (en) | Multifunctional mask | |
| CN216762115U (en) | First-aid folding type breathing tube for diver | |
| CN210583307U (en) | Tracheal cannula with air-purifying function | |
| CN217041018U (en) | Humidifying fixer for trachea cannula | |
| CN214970763U (en) | Respirator mask for nasal feeding patient | |
| CN214762748U (en) | Visual trachea cannula unites external member | |
| CN218739777U (en) | Anti-drop connecting piece structure for breathing machine pipeline | |
| CN218248069U (en) | Fixed bite-block of endotracheal tube | |
| CN217724279U (en) | Multi-cavity laryngeal mask airway tube structure | |
| CN215309425U (en) | Nasal mask for anesthesia | |
| CN219022800U (en) | Phlegm protection casing is inhaled under tracheotomy postoperative mirror | |
| CN214970722U (en) | Oxygen injection breathing mask for outpatient nursing | |
| CN220778815U (en) | Adjustable breathing mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |