CN107970507B - Atomizing mouthpiece gas circuit - Google Patents
Atomizing mouthpiece gas circuit Download PDFInfo
- Publication number
- CN107970507B CN107970507B CN201711473562.8A CN201711473562A CN107970507B CN 107970507 B CN107970507 B CN 107970507B CN 201711473562 A CN201711473562 A CN 201711473562A CN 107970507 B CN107970507 B CN 107970507B
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- China
- Prior art keywords
- mouthpiece
- gas
- atomizing
- main body
- exhaust
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- 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.)
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- 239000003814 drug Substances 0.000 claims abstract description 34
- 210000000214 mouth Anatomy 0.000 claims description 15
- 239000000499 gel Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 6
- 239000000899 Gutta-Percha Substances 0.000 claims description 5
- 240000000342 Palaquium gutta Species 0.000 claims description 5
- 229920000588 gutta-percha Polymers 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000011064 split stream procedure Methods 0.000 claims 2
- 239000000606 toothpaste Substances 0.000 claims 2
- 229940034610 toothpaste Drugs 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 38
- 238000000889 atomisation Methods 0.000 abstract description 27
- 239000002912 waste gas Substances 0.000 abstract description 15
- 239000000443 aerosol Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 210000002345 respiratory system Anatomy 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 208000023504 respiratory system disease Diseases 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 208000006673 asthma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 206010006451 bronchitis Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002664 inhalation therapy Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 208000005069 pulmonary fibrosis Diseases 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 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
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0625—Mouth
Landscapes
- Health & Medical Sciences (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)
- Medicinal Preparation (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses an atomization mouthpiece gas circuit which comprises a tank body, a tank core and a mouthpiece main body, wherein the tank core and the mouthpiece main body are inserted in the tank body in a sealing way, a connecting gas pipe for communicating the tank body and the mouthpiece main body is arranged between the tank body and the mouthpiece main body, a one-way film is arranged at an input hole of the mouthpiece main body, one side of the one-way film is provided with an exhaust structure, a gas flow dividing structure is arranged in the connecting gas pipe, and the gas flow dividing structure divides the connecting gas pipe into a waste gas discharge channel which is matched with one side of the one-way film with the exhaust structure and a medicine fog channel which is matched with the other side of the one-way film. The gas circuit of the atomizing mouthpiece can ensure that atomized aerosol correctly enters the respiratory tract of a patient, can prevent exhaled waste gas from entering the atomizing chamber, ensures the atomizing treatment effect and avoids causing medicine pollution.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to an atomization mouthpiece air passage.
Background
The nebulizing tank is a medical device for treating respiratory diseases, and the nebulizing tank generally comprises a nebulizing tank and a mouthpiece part, wherein the nebulizing tank is used for generating aerosol, also called Small Volume (SVN) or jet nebulizing device, and can convert liquid medicine into nebulized particles for being directly conveyed to respiratory tract of patients. Inhalation therapy has significant advantages in the treatment of many respiratory diseases, such as asthma, bronchitis and pulmonary interstitial fibrosis. The mouthpiece is contacted with the oral cavity of the patient, so that atomized gas and the breath of the patient can be conveniently guided out. The traditional mouthpiece arranged at the medicine outlet of the atomization tank is usually a hollow tubular body or a conical body. When the medicine enters the inside of the mouthpiece, the existing air in the mouthpiece can cause the obstruction on the fluid, so that the aerosol is easy to generate friction, turbulence and other effects with the air in the mouthpiece, and the aerosol floats in the mouthpiece, even is condensed into liquid and remains on the mouthpiece wall, and cannot enter the human body. Meanwhile, the breathing gas exhausted from the human body can be mixed into the medicine aerosol, so that the medicine aerosol enters the atomization chamber to influence the atomization treatment effect.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and aims to provide an atomization mouthpiece gas circuit which can ensure that atomized aerosol correctly enters the respiratory tract of a patient and can prevent exhaled waste gas from entering an atomization chamber.
In order to achieve the above purpose, the utility model provides an atomization mouthpiece air path, which comprises a tank body, a tank core and a mouthpiece main body, wherein the tank core and the mouthpiece main body are inserted in the tank body in a sealing way, a connecting air pipe for communicating the tank body and the mouthpiece main body is arranged between the tank body and the mouthpiece main body, a one-way film is arranged at an input hole of the mouthpiece main body, one side of the one-way film is provided with an exhaust structure, a gas split structure is arranged in the connecting air pipe, and the gas split structure splits the connecting air pipe into an exhaust gas discharge channel which is matched with one side of the one-way film with the exhaust structure and a medicine mist channel which is matched with the other side of the one-way film.
Further, the front end of the mouthpiece main body is connected with the connecting air pipe, the rear end of the mouthpiece main body is provided with a mask supporting surface, and dental gels which extend backwards are arranged on two sides of the mask supporting surface; the two dental gels are provided with protrusions, and an outer supporting surface and an inner supporting surface which are arranged on two sides of the dental gel.
Furthermore, the tooth gel is crescent adapted to the oral cavity structure of the human body, and the outer supporting surface and the inner supporting surface are arc-shaped limiting structures protruding from the tooth gel.
Still further the input hole department of the main part of the described mouthpiece is equipped with the connecting portion of the described connecting air pipe, the described connecting portion includes the conical sleeve head connected with the described connecting air pipe.
As a further improvement, the exhaust structure is an irregular structure arranged on one side of the unidirectional film, and the irregular structure is a notch which is arranged on the edge of the unidirectional film in an inward concave manner.
Further, the exhaust structure is a symmetrical structure with a protruding middle and two concave sides arranged at one side of the unidirectional film.
Further, the circular arc structure part of the lower part of the unidirectional film occupies a relatively large proportion, and the exhaust structure part of the upper part of the unidirectional film occupies a relatively small proportion.
As a further improvement, the gas distribution structure of the connecting gas pipe comprises a transverse partition plate which is arranged at the front end of the connecting gas pipe and extends axially and a vertical partition plate which extends radially, and the side wall of the connecting gas pipe is provided with a vent hole which is communicated with the exhaust gas discharge channel.
Further, the shape of the exhaust hole is a sector, and the number of the exhaust holes is 4.
As a further improvement, one side of the tank body is provided with a medicine fog interface which can be detachably connected with the connecting air pipe and the mouthpiece main body.
Advantageous effects
Compared with the prior art, the atomizing mouthpiece air passage has the following beneficial effects: the utility model is a detachable structure, and the connecting air circuit is independently designed to realize the separate flow of the medicine and the waste gas, so that the waste and pollution of the aerosol can be reduced in the inhalation treatment process, the waste gas is effectively discharged, the influence of the exhaled waste gas on the atomization treatment effect is reduced, and the atomization treatment efficiency is improved; the assembly and the disassembly are convenient, and the use is flexible; meanwhile, the design of the mouthpiece is fit with the oral cavity structure of a human body, so that a patient can open the oral cavity as much as possible in a comfortable environment, the atomization treatment efficiency is improved, and the medicine and the atomization treatment time are saved.
Drawings
FIG. 1 is a schematic illustration of the assembly of an atomizing mouthpiece air circuit of the present utility model;
FIG. 2 is an enlarged perspective view of the structure of the atomizing mouthpiece of the present utility model;
FIG. 3 is an enlarged front elevational view of the structure of the atomizing mouthpiece of the present utility model;
fig. 4 is an exploded view of the structure of the atomizing mouthpiece of the present utility model.
In the figure: 1. a tank body; 11. a medicine fog interface; 12. a liquid medicine storage area; 13. an air nozzle; 2. a can core; 21. an atomizing core; 3. connecting an air pipe; 31. a medicine fog channel; 32. an exhaust gas discharge passage; 33. a transverse partition; 34. a vertical partition; 35. an exhaust hole; 4. a mouthpiece body; 41. a mask support surface; 42. gutta-percha; 43. an outer support surface; 44. an inner support surface; 45. a protrusion; 46. a connection part; 5. a unidirectional film; 51. and an exhaust structure.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
The specific embodiments of the present utility model are as follows: as shown in fig. 1-3, an atomization mouthpiece gas path comprises a tank body 1, a tank core 2 and a mouthpiece body 4, wherein the tank core 2 and the mouthpiece body 4 are inserted in the tank body 1 in a sealing manner, the mouthpiece body is a special-shaped mouthpiece, a connecting gas pipe 3 for communicating the tank body 1 with the mouthpiece body 4 is arranged between the tank body 1 and the mouthpiece body 4, a one-way film 5 is arranged at an input hole of the mouthpiece body 4, one side of the one-way film 5 is provided with a gas exhaust structure 51, exhaled waste gas can be exhausted through the gas exhaust structure 51, a gas flow distribution structure is arranged in the connecting gas pipe 3, the gas flow distribution structure distributes the connecting gas pipe 3 into a waste gas exhaust channel 32 which is matched with one side of the one-way film 5 and a medicine mist channel 31 which is matched with the other side of the one-way film 5, only medicine mist is allowed to enter the mouthpiece body 4 to be absorbed by a patient, and the exhaled waste gas can be exhausted to the waste gas exhaust channel 32 through the gas exhaust structure 51, so that the waste gas can be prevented from flowing into the tank body 1 to pollute medicines. The separate flow of medicine and waste gas is realized by the independent design of the connecting gas circuit in the technical scheme, the waste and pollution of aerosol can be reduced in the process of inhalation treatment, meanwhile, the design of the mouthpiece is fit with the oral cavity structure of a human body, so that a patient can open the oral cavity as much as possible under a comfortable environment, the atomization treatment efficiency is improved, and the medicine and the atomization treatment time are saved.
In the embodiment, a conical air nozzle 13 which is vertically arranged and connected with an external air source is arranged at the center of a liquid medicine storage area 12 at the bottom of the tank body 1, and an air nozzle hole is arranged at the top end of the air nozzle 13; the bottom of the tank core 2 is provided with an atomization core 21 which can be sleeved on the air nozzle 13, the atomization core 21 is internally provided with a medicine suction channel which can be communicated with the medicine storage area 12 and the air nozzle, the upper end of the medicine suction channel can be matched with the air injection channel of the air nozzle 13 to form medicine suction, the atomization core 21 is provided with an atomization baffle which is arranged above the air nozzle, high-speed air flow generated by an air source reaches the air nozzle 13 of the tank body 1 to form negative pressure in the inner cavity of the atomization tank and drives medicine liquid in the medicine storage area 12 to strike the atomization baffle which is arranged on the tank core 2, so that the medicine liquid is thinned into tiny particles and rebounded to form aerosol, and therefore, negative pressure is generated, so that air enters the atomization tank through an air inlet pipe on the tank core 2, and large liquid drops can flow back into the medicine storage area 12. The even and fine particles can enter the medicine fog interface 11 of the tank body 1 through the guidance of the aerosol guiding baffle, and the patient can make the fine and even atomized particles enter the respiratory tract or the lung through the inhalation method, thereby achieving the purpose of high-efficiency treatment.
In the embodiment, the front end of the mouthpiece main body 4 is connected with the connecting air pipe 3, the rear end of the mouthpiece main body 4 is provided with the mask supporting surface 41, the mask supporting surface 41 is of a soft structure, the mask supporting surface 41 can be flexibly attached to the face of a person, so that medicine leakage is prevented, and waste is reduced; the two sides of the face mask supporting surface 41 are provided with the tooth gels 42 which extend backwards, the two tooth gels 42 are provided with the protrusions 45, the outer supporting surfaces 43 and the inner supporting surfaces 44 which are arranged on the two sides of the tooth gels 42, teeth on the two sides are respectively bitten on the two tooth gels 42 when a patient is subjected to atomization treatment, the tooth gels 42 can keep a certain open state of the oral cavity, the area between the outer supporting surfaces 43 and the inner supporting surfaces 44 is suitable for the teeth on the two sides of the oral cavity, the structure of the oral cavity of a human body is met, the comfort of the patient when the patient receives the atomization treatment can be ensured, the teeth on the two sides of the oral cavity of the patient are bitten on the tooth gels 42 under the positioning actions of the outer supporting surfaces 43, the inner supporting surfaces 44 and the protrusions 45, the patient is convenient to correctly bite the mouth, the mouth is difficult to drop, the face mask supporting surface 41 and the face are very convenient to align and attach, and the use is convenient.
In this embodiment, the gutta-percha 42 is crescent adapted to the oral cavity structure of the human body, the outer supporting surface 43 and the inner supporting surface 44 are arc-shaped limiting structures protruding from the gutta-percha 42, which conforms to the structure of the oral cavity of the human body, and greatly improves the comfort of patients receiving atomization treatment.
In this embodiment, the input hole of the mouthpiece body 4 is provided with a connection portion 46 connected with the air pipe 3, the connection portion 46 includes a conical sleeve connected with the air pipe 3, the mouthpiece body 4 is detachably connected with the air pipe 3 through the conical sleeve, positioning is convenient, and it is ensured that the exhaust gas discharge channel 32 on the air pipe 3 corresponds to the exhaust structure 51 of the unidirectional film 5.
In this embodiment, the exhaust structure 51 is an irregular structure disposed on one side of the unidirectional film 5, and the irregular structure is a notch disposed in an inward recess on the edge of the unidirectional film 5, so that blocking and smoothness of the air path can be realized, and exhaust gas can be discharged conveniently.
In this embodiment, the exhaust structure 51 is a symmetrical structure with a protruding middle and concave two sides, which is arranged on one side of the unidirectional film 5, and has two gaps which are symmetrically arranged, so that the exhaled waste gas can be conveniently and quickly exhausted through the two gaps, and the air entering amount from the two gaps can be controlled during inhalation, so that the concentration of atomized medicine is ensured, and the atomization treatment efficiency is ensured.
In this embodiment, the proportion of the arc structure portion at the lower part of the unidirectional film 5 is relatively large, and the proportion of the exhaust structure 51 portion at the upper part of the unidirectional film 5 is relatively small, so that the amount of the air mist entering from the upper part of the unidirectional film 5 can be improved, the amount of the air entering from the upper part of the unidirectional film 5 can be controlled, the efficient inhalation of the air mist can be ensured, and the exhaust of the waste gas can be realized.
In this embodiment, the gas flow dividing structure of the connecting gas pipe 3 includes a transverse partition 33 extending axially and a vertical partition 34 extending radially and disposed at the front end of the connecting gas pipe 3, and an exhaust hole 35 communicating with the exhaust gas discharge channel 32 is disposed on the side wall of the connecting gas pipe 3, so that the connecting gas pipe 3 is divided into two channels, and the structure is reasonable and easy to manufacture.
In this embodiment, the shape of the vent hole 35 is fan-shaped, and the quantity of vent hole 35 is 4, and the vent hole 35 sets up on the lateral wall, can discharge waste gas fast, and the shape of vent hole 35 is fan-shaped, and the quantity of vent hole 35 is 4, can block up individual vent hole 35 by hand according to the in-service behavior, and the volume of control air entering mask main part 4 guarantees the atomization therapeutic effect.
In this embodiment, one side of jar body 1 is equipped with can with connect trachea 3, the medicine fog interface 11 of being connected can be dismantled to the mouthpiece main part 4, the dismouting of being convenient for, under the condition that lacks and connect trachea 3, can cup joint on the medicine fog interface 11 of jar body 1 by the mouthpiece main part 4, satisfies the demand of interim atomizing treatment, convenient and practical.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (7)
1. The utility model provides an atomizing mouthpiece gas circuit, includes jar body (1), sealed cartridge in jar core (2) and mouthpiece main part (4) in jar body (1), its characterized in that, be equipped with the connecting air pipe (3) of intercommunication two between jar body (1) with mouthpiece main part (4), the input hole department of mouthpiece main part (4) is equipped with one-way membrane (5), one side of one-way membrane (5) is equipped with exhaust structure (51), be provided with gas split stream structure in connecting air pipe (3), gas split stream structure will connect air pipe (3) split into with exhaust gas discharge channel (32) that one side that has exhaust structure (51) on one-way membrane (5) suited and with fog passageway (31) that the opposite side of one-way membrane (5) suited;
the front end of the mouthpiece main body (4) is connected with the connecting air pipe (3), the rear end of the mouthpiece main body (4) is provided with a mask supporting surface (41), and both sides of the mask supporting surface (41) are provided with dental gels (42) which extend backwards; the two gutta-percha (42) are provided with a protrusion (45), and an outer supporting surface (43) and an inner supporting surface (44) which are arranged on two sides of the gutta-percha (42);
the tooth paste (42) is crescent-shaped and is suitable for the oral cavity structure of a human body, and the outer supporting surface (43) and the inner supporting surface (44) are arc-shaped limiting structures which are convexly arranged on the tooth paste (42);
the input hole of the mouthpiece main body (4) is provided with a connecting part (46) connected with the connecting air pipe (3), and the connecting part (46) comprises a conical sleeve head connected with the connecting air pipe (3).
2. An atomizing mouthpiece gas path according to claim 1, wherein the gas discharge structure (51) is an irregular structure provided on one side of the unidirectional film (5), and the irregular structure is a notch provided in the edge of the unidirectional film (5) so as to be recessed inward.
3. An atomizing mouthpiece gas path according to claim 2, wherein the gas discharge structure (51) is a symmetrical structure with a central protrusion and two concave sides provided on one side of the unidirectional film (5).
4. A gas circuit for an atomising mouthpiece according to claim 3 wherein the proportion of the circular arc formation part of the lower part of the unidirectional film (5) is relatively large and the proportion of the exhaust formation part (51) of the upper part of the unidirectional film (5) is relatively small.
5. An atomizing mouthpiece gas path according to claim 2, wherein the gas diversion structure of the connecting gas pipe (3) comprises a transverse partition plate (33) and a vertical partition plate (34) which are axially extended and radially extended and arranged at the front end of the connecting gas pipe (3), and an exhaust hole (35) which is communicated with the exhaust gas discharge channel (32) is arranged on the side wall of the connecting gas pipe (3).
6. An atomizing mouthpiece gas path according to claim 5, wherein the shape of the gas vent holes (35) is a sector, and the number of the gas vent holes (35) is 4.
7. An atomizing mouthpiece gas path according to claim 1, characterized in that a side of the canister (1) is provided with a medicament mist interface (11) which can be detachably connected with the connecting gas pipe (3) and the mouthpiece main body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473562.8A CN107970507B (en) | 2017-12-29 | 2017-12-29 | Atomizing mouthpiece gas circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473562.8A CN107970507B (en) | 2017-12-29 | 2017-12-29 | Atomizing mouthpiece gas circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107970507A CN107970507A (en) | 2018-05-01 |
| CN107970507B true CN107970507B (en) | 2023-12-26 |
Family
ID=62005531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711473562.8A Active CN107970507B (en) | 2017-12-29 | 2017-12-29 | Atomizing mouthpiece gas circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107970507B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870498A (en) * | 2021-01-26 | 2021-06-01 | 深圳语莱扬名数据信息有限公司 | Medical suction nozzle and mask |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1402912A2 (en) * | 2002-09-30 | 2004-03-31 | Baby's Breath Ltd. | Aerosol inhalation device and nebulizer |
| CN204233550U (en) * | 2014-11-11 | 2015-04-01 | 张冰 | A kind of filtration nebulizer |
| CN204246615U (en) * | 2014-11-13 | 2015-04-08 | 周文洁 | Adjustable atomization inhaler |
| CN104491960A (en) * | 2015-01-08 | 2015-04-08 | 厦门唯科健康科技有限公司 | Mouthpiece structure of handheld vaporizer |
| CN208838788U (en) * | 2017-12-29 | 2019-05-10 | 广州维力医疗器械股份有限公司 | A kind of atomization bite gas circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2008202850A1 (en) * | 2007-06-29 | 2009-01-15 | Bird Healthcare Pty Ltd | Inhalation device |
-
2017
- 2017-12-29 CN CN201711473562.8A patent/CN107970507B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1402912A2 (en) * | 2002-09-30 | 2004-03-31 | Baby's Breath Ltd. | Aerosol inhalation device and nebulizer |
| CN204233550U (en) * | 2014-11-11 | 2015-04-01 | 张冰 | A kind of filtration nebulizer |
| CN204246615U (en) * | 2014-11-13 | 2015-04-08 | 周文洁 | Adjustable atomization inhaler |
| CN104491960A (en) * | 2015-01-08 | 2015-04-08 | 厦门唯科健康科技有限公司 | Mouthpiece structure of handheld vaporizer |
| CN208838788U (en) * | 2017-12-29 | 2019-05-10 | 广州维力医疗器械股份有限公司 | A kind of atomization bite gas circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107970507A (en) | 2018-05-01 |
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