CN106390255A - Disposable wetting nasal oxygen cannula - Google Patents
Disposable wetting nasal oxygen cannula Download PDFInfo
- Publication number
- CN106390255A CN106390255A CN201610914273.6A CN201610914273A CN106390255A CN 106390255 A CN106390255 A CN 106390255A CN 201610914273 A CN201610914273 A CN 201610914273A CN 106390255 A CN106390255 A CN 106390255A
- Authority
- CN
- China
- Prior art keywords
- humidifying
- pipe
- disposable
- wetting
- nasal oxygen
- 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
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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7518—General characteristics of the apparatus with filters bacterial
Abstract
The invention discloses a disposable wetting nasal oxygen cannula which consists of an air inlet 1, a wetting pipe 2, an air outlet 3, a wetting pipe bottom cover 7 and an air discharging pipe 12, wherein the air inlet 1 is located at the upper end of the wetting pipe 2; the air outlet 3 is located on the wetting pipe bottom cover 7; a solid wetting substance 6 is arranged in the wetting pipe 2; the disposable wetting nasal oxygen cannula further comprises an air guide pipe 4; the air guide pipe 4 is plugged into the wetting pipe 2 from the air inlet 1; and vent holes 5 are formed in the air guide pipe 4. According to the disposable wetting nasal oxygen cannula, the solid wetting substance replaces conventional wetting fluid, so that the size of a wetting device is reduced, and the wetting device is light in mass, convenient to operate, uniform in wetting of wet oxygen and long in duration, and can filter out pathogenic microorganisms and avoid cross contamination; and the disposable wetting nasal oxygen cannula is required to be used within a set time limit to guarantee the wetting effect.
Description
Technical field
The invention belongs to technical field of medical instruments is and in particular to a kind of disposable humidifying nasal oxygen tube.
Background technology
Oxygen therapy is one of the most frequently used rescue of hospital or treatment means, and a large amount of patients, especially critical illness be unable to do without per capita
Oxygen inhalation therapy, and oxygen humidifying device is as a kind of important Routine Medical Device, by each large, medium and small hospital indispensability.Existing
Humidification device be water humidifying, this just makes humidifying bubble bath sound big, and then affects patient's rest and sleep quality, in addition existing
Humidification device mostly be humidification bottle, taken up space big, impact uses, operation inconvenience, patient reuses, easy cross-infection.
Content of the invention
The technical problem to be solved is to provide a kind of small volume, is easy to operation, noise is little, avoid pollution, takes
Band is convenient, prevents a kind of disposable humidifying nasal oxygen tube of cross-patient contamination.
Solve above-mentioned technical problem technical scheme be：
A kind of disposable humidifying nasal oxygen tube, is made up of air inlet, humidifying pipe, gas outlet, humidifying ttom of pipe lid, escape pipe, air inlet
Positioned at humidifying pipe upper end, gas outlet is located on humidifying ttom of pipe lid it is characterised in that humidifying pipe is built with solid wet compound matter, humidifying
Pipe is distributed with passage built with wireway, wireway in air inlet insertion humidifying pipe on wireway.
Described a kind of disposable humidifying nasal oxygen tube it is characterised in that having filter membrane between humidifying ttom of pipe lid and humidifying pipe,
Filter membrane is fixed by netted compressing tablet, is pressed on humidifying ttom of pipe lid.
, it is characterised in that wireway 4 is tapered, lower end is airtight for described a kind of disposable humidifying nasal oxygen tube.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that adopt ultrasonic wave between humidifying pipe and humidifying ttom of pipe lid
The mode of welding connects.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that absorbent material is water absorbent gel, water-absorbing resin, diatom
Any one in the chitosan crosslinked thing of soil ball, polyvinyl alcohol or a combination thereof.
, it is characterised in that air inlet 1 is tapered, collar extension internal diameter is big, air inlet for described a kind of disposable humidifying nasal oxygen tube
On be connected with escape pipe equipped with the plug with stopper, gas outlet.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that the one side membrane made for macromolecular material of filter membrane
Or two-sided membrane.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that gas outlet one end is equipped with valve.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that have hot thread on humidifying ttom of pipe lid.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that the unilateral or bilateral in filter membrane is provided with netted pressure
Piece.
Described a kind of disposable humidifying nasal oxygen tube is it is characterised in that netted compressing tablet is convex
Described a kind of disposable humidifying nasal oxygen tube it is characterised in that filter membrane be Teflon filtration film, regenerated cellulose
Film, CAM, nitrocellulose filter, glass fibre pre-filtering film, nylon membrane, polypropylene fibre film, polyethylene film one side membrane
Or any one in two-sided membrane, there is good ventilative, water-proof function.
The stopper of air inlet is unpluged during use, oxygen passes through from air inlet by described a kind of disposable humidifying nasal oxygen tube
Passage on wireway enters in humidifying pipe, is fully contacted after humidifying with the humidifying material in humidifying pipe, through humidifying bottom of the tube
Filter membrane filtration, clean humidifying oxygen is discharged from gas outlet, and gas outlet duct valve is opened, and humidifying oxygen is entered by escape pipe
Enter in the patient.For ensureing humidifying effect, a kind of disposable humidifying nasal oxygen tube should complete to use within the restriction time of regulation, limit
Use time processed is determined by the loading amount of solid wet compound matter in humidifying pipe.
The present invention adopts solid wet compound matter to replace traditional humidification fluid water, and humidification device overall volume diminishes, quality
Gently, easy to operate.
In humidifying nasal oxygen tube, there is filter membrane, pathogenic microorganism can be filtered, completely cut off unnecessary moisture simultaneously.
Increase wireway in humidifying pipe, enable oxygen fully humidifying, water content is moderate, noiselessness in humidifying simultaneously,
Do not interfere with patient's rest.
Facilitate patient using it is ensured that humidifying effect, no cross contamination, require during use to use at the appointed time.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of disposable humidifying nasal oxygen tube structural representation；
Wherein：1- air inlet, 2- humidifying pipe, 3- gas outlet, 4- wireway, 5- passage, 6- humidifying material, 7- humidifying ttom of pipe
Lid, 8- filter membrane, the plug with stopper for the 9-, 10- valve, the netted compressing tablet of 11-, 12- escape pipe.
Specific embodiment
Embodiment 1
A kind of disposable humidifying nasal oxygen tube, including air inlet 1, humidifying pipe 2, gas outlet 3, humidifying ttom of pipe lid 7, solid wet compound matter
6 is water-absorbing resin, and air inlet 1 is located at humidifying pipe 2 upper end, and gas outlet 3 is located on humidifying ttom of pipe lid 7, and humidifying pipe 2 is built with solid
Humidifying material 6 water-absorbing resin, humidifying pipe 2 inserts in humidifying pipe 2 built with wireway 4, wireway 4 from air inlet 1, wireway 4
On passage 5 is distributed with, vent size is uniform up and down, has filter membrane 8, filter membrane 8 between humidifying ttom of pipe lid 7 and humidifying pipe 2
For polyethylene film one side membrane, aperture is 0.22 μM, has netted compressing tablet 11, netted compressing tablet 11 between filter membrane 8 and humidifying pipe 2
Convex, wireway 4 is tapered, and lower end is airtight, and equipped with the plug 9 with stopper on air inlet 1, humidifying ttom of pipe lid 7 is hemisphere
Body, gas outlet 3 one end is connected with escape pipe 12 equipped with valve 10, gas outlet 3.
During use, the stopper of air inlet is unpluged, connect oxygen flow meter, separately gas outlet valve is opened, adjust oxygen stream
Measure as 4,（Room temperature 18-20 DEG C, oxygen relative humidity 5%）The passage that oxygen passes through on wireway enters in humidifying pipe, with humidifying
After humidifying material water-absorbing resin in pipe is fully contacted humidifying, filter membrane filtration through humidifying bottom of the tube, clean humidifying oxygen from
Gas outlet is discharged, and humidifying oxygen is entered in patient's nasal cavity by escape pipe.
A kind of this disposable humidifying nasal oxygen tube capacity is 80 milliliters, loads 51.1 grams of water-absorbing resin（Water-absorbing resin is 1.1 grams
Dried resin adds 50 milliliters of water-soaking times 30 minutes）, by experiment, measure humidifying degree in 6 hours during using and be maintained at
More than 40%.
Embodiment 2
A kind of disposable humidifying nasal oxygen tube, including air inlet 1, humidifying pipe 2, gas outlet 3, humidifying ttom of pipe lid 7, solid wet compound matter
6 is water absorbent gel, and air inlet 1 is located at humidifying pipe 2 upper end, and gas outlet 3 is located on humidifying ttom of pipe lid 7, and humidifying pipe 2 is built with solid
Humidifying material 6 water absorbent gel, humidifying pipe 2 inserts in humidifying pipe 2 built with wireway 4, wireway 4 from air inlet 1, wireway 4
On passage 5 is distributed with, passage is up big and down small, has filter membrane 8 between humidifying ttom of pipe lid 7 and humidifying pipe 2, and filter membrane 8 is poly-
Tetrafluoroethene one side membrane filter membrane, aperture is 0.45 μM, has netted compressing tablet 11, wireway between filter membrane 8 and humidifying pipe 2
4 is tapered, and lower end is airtight, and equipped with the plug 9 with stopper on air inlet 1, humidifying ttom of pipe lid 7 is hemisphere, and gas outlet 3 one end fills
There is valve 10, gas outlet 3 is connected with escape pipe 12.
During use, the stopper of air inlet is unpluged, connect oxygen flow meter, separately gas outlet valve is opened, adjust oxygen stream
Measure as 4,（Room temperature 18-20 DEG C, oxygen relative humidity 5%）The passage that oxygen passes through on wireway enters in humidifying pipe, with humidifying
After humidifying material water absorbent gel in pipe is fully contacted humidifying, filter membrane filtration through humidifying bottom of the tube, clean humidifying oxygen from
Gas outlet is discharged, and humidifying oxygen is entered in patient's nasal cavity by escape pipe.
A kind of this disposable humidifying nasal oxygen tube capacity is 80 milliliters, loads 50.65 grams of water absorbent gel（Water absorbent gel is 0.65
Gram xerogel adds 50 milliliters of water to soak 3 hours）, by experiment, measuring in 13 hours during using is that humidifying degree is maintained at
More than 40%.
Embodiment 3
A kind of disposable humidifying nasal oxygen tube, including air inlet 1, humidifying pipe 2, gas outlet 3, humidifying ttom of pipe lid 7, solid wet compound matter
6 is water absorbent gel, and air inlet 1 is located at humidifying pipe 2 upper end, and gas outlet 3 is located on humidifying ttom of pipe lid 7, and humidifying pipe 2 is built with solid
Humidifying material 6 water absorbent gel and water-absorbing resin, humidifying pipe 2 inserts humidifying pipe 2 built with wireway 4, wireway 4 from air inlet 1
Interior, passage 5 is distributed with wireway 4, passage is up big and down small, between humidifying ttom of pipe lid 7 and humidifying pipe 2, has filter membrane 8, mistake
Filter membrane 8 is polytetrafluoroethylene (PTFE) one side membrane filter membrane, and aperture is 0.22 μM, has netted compressing tablet between filter membrane 8 and humidifying pipe 2
11, netted compressing tablet 11 is convex, and wireway 4 is tapered, and lower end is airtight, equipped with the plug 9 with stopper, humidifying on air inlet 1
Ttom of pipe lid 7 is hemisphere, and gas outlet 3 one end is connected with escape pipe 12 equipped with valve 10, gas outlet 3.
During use, the stopper of air inlet is unpluged, connect oxygen flow meter, separately gas outlet valve is opened, adjust oxygen stream
Measure as 4,（Room temperature 18-20 DEG C, oxygen relative humidity 5%）The passage that oxygen passes through on wireway enters in humidifying pipe, with humidifying
After humidifying material water absorbent gel in pipe and water-absorbing resin mixture are fully contacted humidifying, filter membrane filtration through humidifying bottom of the tube,
Clean humidifying oxygen is discharged from gas outlet, and humidifying oxygen is entered in patient's nasal cavity by escape pipe.
A kind of this disposable humidifying nasal oxygen tube capacity is 80 milliliters, loads 50.9 grams of humidifying material（0.3 gram of xerogel with
The mixing of 0.6g dried resin adds 50 milliliters of water to soak 3 hours）, by experiment, measuring in 10 hours during using is humidifying degree
It is maintained at more than 40%.
Embodiment 4
A kind of disposable humidifying nasal oxygen tube, including air inlet 1, humidifying pipe 2, gas outlet 3, humidifying ttom of pipe lid 7, solid wet compound matter
6 is the chitosan crosslinked thing of macrogol, and air inlet 1 is located at humidifying pipe 2 upper end, and gas outlet 3 is located on humidifying ttom of pipe lid 7, wet
Change pipe 2 built with the chitosan crosslinked thing of solid wet compound matter 6 macrogol, humidifying pipe 2 built with wireway 4, wireway 4 from
In air inlet 1 insertion humidifying pipe 2, passage 5 is distributed with wireway 4, passage is up big and down small, humidifying ttom of pipe lid 7 and humidifying
There is filter membrane 8, filter membrane 8 is polyethylene one side membrane filter membrane, aperture is 0.45 μM, filter membrane 8 and humidifying pipe 2 between pipe 2
Between there is netted compressing tablet 11, wireway 4 is tapered, and lower end is airtight, equipped with the plug 9 with stopper, humidifying ttom of pipe on air inlet 1
Lid 7 is hemisphere, and gas outlet 3 one end is connected with escape pipe 12 equipped with valve 10, gas outlet 3.
During use, the stopper of air inlet is unpluged, connect oxygen flow meter, separately gas outlet valve is opened, adjust oxygen stream
Measure as 4,（Room temperature 18-20 DEG C, oxygen relative humidity 5%）The passage that oxygen passes through on wireway enters in humidifying pipe, with humidifying
After the chitosan crosslinked thing of humidifying material macrogol in pipe is fully contacted humidifying, filter membrane filtration through humidifying bottom of the tube, clean
Net humidifying oxygen is discharged from gas outlet, and humidifying oxygen is entered in patient's nasal cavity by escape pipe.
A kind of this disposable humidifying nasal oxygen tube capacity is 80 milliliters, loads 60 grams of the chitosan crosslinked thing of ethylene glycol（Ethene
The chitosan crosslinked thing of glycol is 10 grams, dry chitosan crosslinked 50 milliliters of water immersions of thing addition of ethylene glycol 20 minutes）, by reality
Test, measuring in 11 hours during using is that humidifying degree is maintained at more than 40%.
Embodiment 5
A kind of disposable humidifying nasal oxygen tube, including air inlet 1, humidifying pipe 2, gas outlet 3, humidifying ttom of pipe lid 7, solid wet compound matter
6 is the chitosan crosslinked thing of macrogol, and air inlet 1 is located at humidifying pipe upper end, and gas outlet 3 is located on humidifying ttom of pipe lid 7, humidifying
Pipe 2, built with the chitosan crosslinked thing of solid wet compound matter 6 macrogol, does not have wireway 4, humidifying ttom of pipe lid 7 in humidifying pipe 2
Have filter membrane 8 and humidifying pipe 2 between, filter membrane be polyethylene one side membrane filter membrane, aperture be 0.22 μM, filter membrane 8 with wet
Change, between pipe 2, there is netted compressing tablet 11, equipped with the plug 9 with stopper on air inlet 1, humidifying ttom of pipe lid 7 is hemisphere, gas outlet
3 one end are connected with escape pipe 12 equipped with valve 10, gas outlet 3.
During use, the stopper of air inlet is unpluged, connect oxygen flow meter, separately gas outlet valve is opened, adjust oxygen stream
Measure as 4,（Room temperature 18-20 DEG C, oxygen relative humidity 5%）The passage that oxygen passes through on wireway enters in humidifying pipe, with humidifying
After the chitosan crosslinked thing of humidifying material macrogol in pipe is fully contacted humidifying, filter membrane filtration through humidifying bottom of the tube, clean
Net humidifying oxygen is discharged from gas outlet, and humidifying oxygen is entered in patient's nasal cavity by escape pipe.
A kind of this disposable humidifying nasal oxygen tube capacity is 80 milliliters, loads 60 grams of the chitosan crosslinked thing of macrogol（Poly-
The chitosan crosslinked thing of ethylene glycol is 10 grams of dry chitosan crosslinked 50 milliliters of water immersions of thing addition of macrogol 20 minutes）.Logical
Cross experiment, measuring in 4 hours during using is that humidifying degree is maintained at more than 40%.
As can be seen from the above-described embodiment under the conditions of equal humidifying, the humidifying nasal oxygen tube humidifying effect having wireway is better than
There is no the humidifying nasal oxygen tube of wireway, there is no wireway, humidifying nasal oxygen tube use time is short.
Merely illustrating the principles of the invention described in above-described embodiment and specification and most preferred embodiment, without departing from this
On the premise of spirit and scope, the present invention also has various changes and modifications, and these changes and improvements both fall within requirement and protect
In the scope of the invention of shield.
Claims (10)
1. a kind of disposable humidifying nasal oxygen tube, by air inlet（1）, humidifying pipe（2）, gas outlet（3）, humidifying ttom of pipe lid（7）, give vent to anger
Pipe（12）Composition, air inlet（1）Positioned at humidifying pipe（2）Upper end, gas outlet（3）Positioned at humidifying ttom of pipe lid（7）On, gas outlet (3)
With escape pipe（12）Connect it is characterised in that humidifying pipe（2）Built with solid wet compound matter（6）, humidifying pipe（2）Built with air guide
Pipe（4）, wireway（4）From air inlet（1）Insertion humidifying pipe（2）Interior, wireway（4）On passage is distributed with（5）.
2. a kind of disposable humidifying nasal oxygen tube according to claim 1 is it is characterised in that humidifying ttom of pipe lid（7）With humidifying pipe
（2）Between have filter membrane（8）, filter membrane（8）By netted compressing tablet（11）Fix, be pressed on humidifying ttom of pipe lid（7）On.
3. a kind of disposable humidifying nasal oxygen tube according to claim 1 is it is characterised in that wireway（4）Tapered, lower end
Airtight.
4. a kind of disposable humidifying nasal oxygen tube according to claim 2 is it is characterised in that humidifying pipe（2）With humidifying ttom of pipe lid
（7）Between connected by the way of ultrasonic bonding.
5. a kind of disposable humidifying nasal oxygen tube according to claim 2 is it is characterised in that netted compressing tablet（11）Convex.
6. a kind of disposable humidifying nasal oxygen tube according to claim 1 is it is characterised in that absorbent material（6）Solidifying for water suction
Any one in glue, water-absorbing resin, diatom soil ball, the chitosan crosslinked thing of polyvinyl alcohol or a combination thereof.
7. a kind of disposable humidifying nasal oxygen tube according to claim 1 is it is characterised in that air inlet（1）Tapered, collar extension
Internal diameter is big, air inlet（1）On equipped with the plug with stopper（9）.
8. a kind of disposable humidifying nasal oxygen tube according to claim 1 is it is characterised in that humidifying ttom of pipe lid（7）For hemisphere
Body.
9. a kind of disposable humidifying nasal oxygen tube according to claim 2 is it is characterised in that filter membrane（8）For macromolecular material
The one side membrane made or two-sided membrane.
10. a kind of disposable humidifying nasal oxygen tube according to claim 1 is it is characterised in that gas outlet（7）One end is equipped with valve
Door（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914273.6A CN106390255A (en) | 2016-10-20 | 2016-10-20 | Disposable wetting nasal oxygen cannula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914273.6A CN106390255A (en) | 2016-10-20 | 2016-10-20 | Disposable wetting nasal oxygen cannula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106390255A true CN106390255A (en) | 2017-02-15 |
Family
ID=58013358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914273.6A Pending CN106390255A (en) | 2016-10-20 | 2016-10-20 | Disposable wetting nasal oxygen cannula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106390255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815666A (en) * | 2018-07-06 | 2018-11-16 | 江苏省人民医院（南京医科大学第附属医院） | Multifunctional medical artificial nose |
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| CN204411445U (en) * | 2015-01-08 | 2015-06-24 | 青岛市中心医院 | A kind of emergency surgery inhalation device |
| CN204543172U (en) * | 2015-02-13 | 2015-08-12 | 王玉宏 | A kind of oxygen catheter for respiratory internal medicine |
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| US3881482A (en) * | 1972-11-06 | 1975-05-06 | Octagon Med Prod | Device for moistening and heating inhalation air with tracheotomy and endotracheal intubation |
| US4381267A (en) * | 1978-07-12 | 1983-04-26 | Jackson Richard R | Airway humidifier for the respiratory tract |
| EP0258928A1 (en) * | 1986-08-26 | 1988-03-09 | "Ponnet, Gilman En Anthony" | Device for supplying air or medical gases in a conditioned, particularly a moistened and/or heated state to a patient |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815666A (en) * | 2018-07-06 | 2018-11-16 | 江苏省人民医院（南京医科大学第附属医院） | Multifunctional medical artificial nose |
| CN108815666B (en) * | 2018-07-06 | 2023-08-29 | 江苏省人民医院（南京医科大学第一附属医院） | Multifunctional medical artificial nose |
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Application publication date: 20170215 |