CN219290415U - Nasal cavity administration device - Google Patents
Nasal cavity administration device Download PDFInfo
- Publication number
- CN219290415U CN219290415U CN202222002411.7U CN202222002411U CN219290415U CN 219290415 U CN219290415 U CN 219290415U CN 202222002411 U CN202222002411 U CN 202222002411U CN 219290415 U CN219290415 U CN 219290415U
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- medicine
- pipe
- channel
- delivery device
- main pipe
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- 210000003928 nasal cavity Anatomy 0.000 title claims abstract description 43
- 239000003814 drug Substances 0.000 claims abstract description 124
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000012377 drug delivery Methods 0.000 claims abstract description 22
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 20
- 229940079593 drug Drugs 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 3
- 230000029663 wound healing Effects 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 description 5
- 206010019233 Headaches Diseases 0.000 description 4
- 208000002193 Pain Diseases 0.000 description 4
- 231100000869 headache Toxicity 0.000 description 4
- 210000003484 anatomy Anatomy 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 206010028748 Nasal obstruction Diseases 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 208000002173 dizziness Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000002850 nasal mucosa Anatomy 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 229940043263 traditional drug Drugs 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a nasal cavity drug delivery device, comprising: the drug feeder body is in a Y-shaped arrangement, and comprises two branch pipes which are used for being respectively inserted into nasal cavities from nostrils at two sides, and a main pipe which is positioned outside the nostrils, wherein the main pipe is also connected with a drug feeding pipe group and a gas supply pipe group, the branch pipes are connected with inflatable air bags, and three mutually independent breathing channels, a drug feeding channel and a gas inlet channel are arranged in the drug feeder body. The breathing channel is communicated with the atmosphere environment and the internal nasal cavity environment so as to allow the patient to breathe freely. The medicine feeding channel is communicated with the medicine feeding tube group and the inner environment of the nasal cavity, so that the medicine liquid with pressure filled by the medicine feeding tube group enters the corresponding operation area in the nasal cavity under the action of pressure. The air intake passage communicates the air supply tube group and the air bag so that the air bag is inflated with the pressurized air supplied from the air supply tube group. The nasal cavity drug delivery device can accurately and efficiently deliver drugs to the operation area and the target position, realize directional drug delivery in the operation area in the nasal cavity, and improve the operation efficiency of liquid medicine, the wound healing speed and the wound healing quality.
Description
Technical Field
The present utility model relates to the field of medical auxiliary devices, and in particular to a nasal delivery device.
Background
In the prior art, nasal administration is carried out by dripping from outside the nostril. Due to gravity and the complex anatomy within the nasal cavity, it is difficult for the drug to reach the internal surgical field. Therefore, the existing administration mode generally has large dosage and low action efficiency, so that patients are not effectively treated by the medicine, and the illness state is delayed; in addition, nasal mucosa edema after operation of patients causes difficult ventilation and headache, increases pain of patients, and affects the technical problems of wound healing speed and quality.
Disclosure of Invention
The utility model provides a nasal cavity drug delivery device, which solves the technical problems that the traditional drug delivery mode has large drug dosage and low action efficiency, so that patients are not effectively treated by drugs, the illness state is delayed, and nasal mucosa edema after operation of patients causes difficult ventilation and headache, the pain of the patients is increased, and the wound healing speed and quality are influenced.
The technical scheme adopted by the utility model is as follows:
a nasal delivery device comprising: the drug delivery device comprises a drug delivery device body which is arranged in a Y shape and comprises two branch pipes used for being respectively inserted into nasal cavities from nostrils at two sides, and a main pipe positioned outside the nostrils, wherein the main pipe is also connected with a drug delivery pipe group and a gas supply pipe group, the branch pipes are connected with inflatable air bags, and three mutually independent breathing channels, a drug inlet channel and a gas inlet channel are arranged in the drug delivery device body; the breathing channel is communicated with the atmosphere environment and the internal nasal cavity environment so as to allow the patient to breathe freely; the medicine feeding channel is communicated with the medicine feeding tube group and the internal environment of the nasal cavity, so that the medicine liquid with pressure filled by the medicine feeding tube group enters the corresponding operation area in the nasal cavity under the action of pressure; the air intake passage communicates the air supply tube group and the air bag so that the air bag is inflated with the pressurized air supplied from the air supply tube group.
Further, the branch pipe is a hollow hose with two ends communicated, the wall surface of the branch pipe is provided with a medicine overflow hole for the medicine liquid to overflow, and the medicine inlet channel is communicated with the medicine overflow hole; the main pipe is a hollow pipe with two ends communicated; the medicine inlet channel and the air inlet channel are arranged along the extension of the inner channels of the branch pipe and the main pipe, and the inner channels of the rest parts of the branch pipe and the main pipe are communicated to form a breathing channel.
Further, the two branch pipes are formed by symmetrically bending a hollow hose.
Further, the main pipe and the two branch pipes are integrally formed; or the joint of the main pipe and the two branch pipes is in fit connection in an interference way; or the joint of the main pipe and the two branch pipes is connected through a buckle structure.
Further, medicine overflow holes are arranged on the opposite inner side walls of the two branch pipes; the number of the medicine overflow holes is multiple, and the medicine overflow holes are uniformly distributed at intervals along the inner side wall of the branch pipe.
Further, the medicine inlet channel is formed by a gap between the first connecting piece connected to the wall surfaces of the inner channels of the two branch pipes and the main pipe and the wall surface of the inner channel; or the medicine feeding channel is formed by channels arranged in the wall surfaces of the channels in the two branch pipes and the main pipe; or the medicine feeding channel is formed by an inner tube connected to the wall surfaces of the two branch tubes and the inner channel of the main tube.
Further, the medicine feeding tube group comprises a medicine feeding tube connected to the outer wall surface of the main tube and communicated with the medicine feeding channel, and a first pressure valve arranged in the medicine feeding tube; the medicine feeding pipe is used for being connected with an external medicine feeding device; the first pressure valve is used for opening after the set pressure is reached so as to allow the liquid medicine to enter the medicine inlet channel.
Further, the airbag is connected to the outside of the branch pipe and extends in the length direction of the branch pipe.
Further, the air inlet channel is formed by a gap between the second connecting sheet connected to the wall surfaces of the inner channels of the two branch pipes and the main pipe and the wall surface of the inner channel; or the air inlet channel is formed by channels arranged in the wall surfaces of the channels in the two branch pipes and the main pipe; or the air inlet channel is formed by an inner pipe connected to the inner channel wall surfaces of the two branch pipes and the main pipe.
Further, the air supply pipe group comprises an air inlet pipe connected to the outer wall surface of the main pipe and communicated with the air inlet channel, and a second pressure valve arranged in the air inlet pipe; the air inlet pipe is used for being connected with an external air supply device; the second pressure valve is used for opening after the set pressure is reached so that the pressurized gas enters the air inlet channel.
The utility model has the following beneficial effects:
the nasal cavity drug delivery device can conveniently ventilate through the arrangement of the breathing channel, realize free breathing of a patient, and eliminate or reduce symptoms of nasal obstruction, difficult ventilation and dizziness and headache of the patient after operation; through the cooperation of the air bag, the air inlet pipeline and the air supply device, the device can be fixed at a target position, so that the medicine inlet channel can efficiently deliver medicines to the target position at different time points, and after a patient recovers, the medicine can be conveniently removed through the air leakage of the air supply pipe group; through the cooperation of the medicine feeding channel and the medicine feeding tube group, the nasal cavity medicine feeding device is specially designed for nasal cavity medicine feeding, overcomes the gravity and the complicated anatomical channel of the nasal cavity, can accurately and efficiently convey medicines to an operation area and a target position, realizes the directional medicine feeding of the operation area in the nasal cavity, and enables the medicines to smoothly reach the operation area, thereby reducing the usage amount of medicine liquid, improving the operation efficiency of the medicine liquid, enabling patients to obtain the effective and timely treatment of the medicines, relieving the illness state, relieving the pain of the patients and improving the healing speed and quality of wounds; the device is simple to use and operate and easy to implement, the structure is specially designed according to the anatomical structures of the nasal cavity and the operation area, the pertinence is strong, and the breathing channel, the air inlet channel and the medicine inlet channel are independent in function and do not influence each other, so that the smooth implementation of each function is ensured.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic front view of a nasal delivery device according to a preferred embodiment of the present utility model.
Description of the drawings
10. A drug delivery device body; 101. a breathing passage; 102. a drug inlet channel; 103. an air intake passage; 104. a medicine overflow hole; 11. a branch pipe; 12. a main pipe; 20. a tube group; 21. a medicine inlet pipe; 22. a first pressure valve; 30. a gas supply pipe group; 31. an air inlet pipe; 32. a second pressure valve; 40. an air bag.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 1, a preferred embodiment of the present utility model provides a nasal delivery device comprising: the drug delivery device body 10 is arranged in a Y shape, and comprises two branch pipes 11 which are respectively inserted into nasal cavities from nostrils at two sides, and a main pipe 12 which is positioned outside the nostrils, wherein the main pipe 12 is also connected with a drug delivery pipe group 20 and a gas supply pipe group 30, the branch pipes 11 are connected with an inflatable airbag 40, and three mutually independent breathing channels 101, a drug inlet channel 102 and a gas inlet channel 103 are arranged in the drug delivery device body 10. The breathing passage 101 communicates the atmosphere with the intranasal environment for free breathing by the patient. The administration tube set 20 and the internal nasal environment are communicated by the administration channel 102, so that the pressurized liquid medicine filled by the administration tube set 20 enters the corresponding operation area in the nasal cavity under the pressure. The intake passage 103 communicates the air supply tube group 30 and the air bag 40 so that the air under pressure supplied from the air supply tube group 30 is filled into the air bag 40.
When the nasal cavity administration device works, firstly, two branch pipes 11 of the administration device body 10 are respectively inserted into nasal cavities from two sides of nostrils, then an air supply device which is externally communicated with the air supply pipe group 30 is started, pressurized air supplied by the air supply device impacts the air supply pipe group 30, when the pressure born by the air supply pipe group 30 reaches a set pressure value, the pressurized air enters an air inlet channel 103, then an air bag 40 is inflated by the air inlet channel 103, the air bag 40 is inflated and tightly expanded in the nasal passages, so that the administration device body 10 is fixed in the nasal cavities and the nasal passages, a human body breathes freely through a breathing channel 101, then, an administration device which is externally communicated with the administration pipe group 20 is started, pressurized liquid medicine supplied by the administration device impacts the administration pipe group 20, when the pressure born by the administration pipe group 20 reaches the set pressure value, the pressurized liquid medicine enters the air inlet channel 102, and then the air bag 40 is sprayed into a corresponding operation area in the nasal cavity, and directional administration of the operation area is realized.
According to the nasal cavity drug delivery device, through the arrangement of the breathing channel 101, ventilation can be facilitated, free breathing of a patient is realized, and symptoms of nasal obstruction, difficult ventilation and dizziness and headache of the patient after operation are eliminated or reduced; through the cooperation of the air bag 40, the air inlet channel 103 and the air supply device, the device can be fixed at a target position, so that the medicine inlet channel 102 can efficiently deliver medicines to the target position at different time points, and after a patient recovers, the medicine can be conveniently removed through the air leakage of the air supply tube group 30; through the cooperation of the medicine feeding channel 102 and the medicine feeding tube group 20, the nasal cavity medicine feeding device is specially designed for nasal cavity medicine feeding, overcomes the gravity and the complicated anatomical channel of the nasal cavity, can accurately and efficiently convey medicine to an operation area and a target position, realizes the directional medicine feeding of the operation area in the nasal cavity, enables the medicine to smoothly reach the operation area, further reduces the usage amount of medicine liquid, improves the operation efficiency of the medicine liquid, enables a patient to obtain the effective and timely treatment of the medicine, relieves the illness state, relieves the pain of the patient and improves the wound healing speed and quality; the device is simple to use and operate and easy to implement, the structural arrangement is specially designed according to the anatomical structures of the nasal cavity and the operation area, the pertinence is strong, and the breathing channel 101, the air inlet channel 103 and the medicine inlet channel 102 are independent in function, do not influence each other, and ensure the smooth implementation of each function.
Optionally, as shown in fig. 1, the branch pipe 11 is a hollow hose with two ends communicated, a medicine overflow hole 104 for the medicine liquid to overflow is formed on the wall surface of the branch pipe 11, and the medicine inlet channel 102 is communicated with the medicine overflow hole 104; during operation, the liquid medicine in the medicine inlet channel 102 is sprayed into the corresponding operation area in the nasal cavity through the medicine overflow holes 104 under the action of pressure; in this alternative, the branch pipe 11 is a hollow hose, so that the drug delivery device body 10 can smoothly enter the nasal cavity through the nasal passage without damaging the nasal passage and tissues in the nasal cavity, and the branch pipe 11 can be shaped conveniently, so as to smoothly enter the nasal cavity through the nasal passage. The main pipe 12 is a hollow pipe with two ends communicated. The medicine inlet passage 102 and the air inlet passage 103 are arranged along the inner passages of the branch pipe 11 and the main pipe 12, and the inner passages of the rest of the branch pipe 11 and the main pipe 12 are communicated to form a breathing passage 101. This structural arrangement of the applicator body 10 makes its overall structure simple.
In this alternative, as shown in fig. 1, two branch pipes 11 are formed by symmetrically bending a hollow hose, so that the preparation is simple, and the structural arrangement of the applicator body 10 can be effectively simplified.
Alternatively, as shown in fig. 1, the main pipe 12 and the two branch pipes 11 are integrally formed, so that the preparation is simple, and the joint of the main pipe 12 and the branch pipes 11 has high strength and good stability. Or, the junction of the main pipe 12 and the two branch pipes 11 is in fit connection in an interference mode, and the main pipe 12 and the branch pipes 11 are easy to disassemble and replace and maintain. Or, the junction of the main pipe 12 and the two branch pipes 11 is connected through a buckle structure, and the main pipe 12 and the branch pipes 11 are easy to disassemble, replace and maintain.
In this alternative, as shown in fig. 1, the medicine overflow holes 104 are arranged on the opposite inner side walls of the two branch pipes 11, and the positions of the medicine overflow holes 104 are adapted to the positions of the operation areas in the nasal cavity, so that the medicine liquid can be sprayed to the operation areas in a directional manner. The number of the medicine overflow holes 104 is multiple, and the medicine overflow holes 104 are uniformly distributed at intervals along the inner side wall of the branch pipe 11, so that the medicine liquid is uniformly sprayed to the operation area, and the medicine feeding quality is improved.
In this alternative, the medicine feed passage 102 is formed by a gap between the inner passage wall surface and the first connecting piece connected to the inner passage wall surfaces of the two branch pipes 11 and the main pipe 12. Alternatively, the medicine feed passage 102 is formed by a passage formed in the passage wall surface of the two branch pipes 11 and the main pipe 12, and is easy to process. Alternatively, the medicine feed passage 102 is formed by an inner tube connected to the passage wall surfaces in the two branch pipes 11 and the main pipe 12.
Alternatively, as shown in fig. 1, the administration tube set 20 includes an administration tube 21 connected to the outer wall surface of the main tube 12 and communicating with the administration channel 102, and a first pressure valve 22 provided in the administration tube 21. The feeding tube 21 is adapted to be connected to an external drug delivery device. The first pressure valve 22 is used to open after the set pressure is reached, so that the liquid medicine enters the medicine inlet channel 102. In this alternative, the drug delivery device is generally an injector, the injector is abutted against the first pressure valve 22 after extending into the drug inlet tube 21, the injector is pushed to apply pressure to the first pressure valve 22, and the injector is opened when the pressure born by the first pressure valve 22 exceeds the set pressure; when the liquid medicine is fed, the injector is pulled out, the pressure of the first pressure valve 22 is reduced, the liquid medicine reaches the medicine overflow hole 104 along the medicine inlet channel 102, and the liquid medicine is sprayed to the operation area through the medicine overflow hole 104 for administration. In this alternative, the first pressure valve 22 can be provided with reference to a pressure valve on the urinary catheter, or with reference to a valve on a bicycle tire.
In this alternative, as shown in fig. 1, the airbag 40 is connected to the outside of the branch pipe 11 and extends in the length direction of the branch pipe 11. This arrangement of balloon 40 is compatible with the intra-nasal configuration to allow for stable fixation of the device to the target site.
In this alternative, the intake passage 103 is formed by a gap between the second connecting piece connected to the inner passage wall surfaces of the two branch pipes 11 and the main pipe 12 and the inner passage wall surface. Alternatively, the air intake passage 103 is formed by a passage formed in the passage wall surface of the two branch pipes 11 and the main pipe 12, and the processing is simple. Alternatively, the intake passage 103 is formed by an inner tube connected to the passage wall surfaces in the two branch pipes 11 and the main pipe 12.
In this alternative, the air supply tube group 30 includes an air intake tube 31 connected to the outer wall surface of the main tube 12 and communicating with the air intake passage 103, and a second pressure valve 32 provided in the air intake tube 31. The air inlet pipe 31 is for connection to an external air supply. The second pressure valve 32 is used to open after the set pressure is reached, for the pressurized gas to enter the intake passage 103. In this alternative, the air supply device is generally an injector, the injector stretches into the air inlet pipe 31 and then abuts against the second pressure valve 32, the injector is pushed to apply pressure to the second pressure valve 32, and the injector is opened when the pressure born by the second pressure valve 32 exceeds the set pressure; when the air bag 40 is inflated, the injector is pulled out, the pressure of the second pressure valve 32 is reduced and closed, and air under pressure enters the air bag 40 along the air inlet channel 103, and after the air bag 40 is full, the air bag is clamped in the nasal cavity, so that the device is fixed in the nasal cavity. In this alternative, the second pressure valve 32 can be provided with reference to a pressure valve on the catheter, or with reference to a valve on a bicycle tire.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A nasal delivery device, comprising:
the drug delivery device comprises a drug delivery device body (10) which is arranged in a Y shape and comprises two branch pipes (11) used for being inserted into nasal cavities from nostrils at two sides respectively, and a main pipe (12) positioned outside the nostrils, wherein the main pipe (12) is also connected with a drug delivery pipe group (20) and a gas supply pipe group (30), the branch pipes (11) are connected with inflatable air bags (40), and three mutually independent breathing channels (101), drug inlet channels (102) and gas inlet channels (103) are arranged in the drug delivery device body (10);
the breathing channel (101) is communicated with the atmosphere environment and the internal nasal cavity environment so as to allow the patient to breathe freely;
the medicine feeding channel (102) is communicated with the medicine feeding tube group (20) and the internal nasal environment, so that the medicine liquid with pressure filled by the medicine feeding tube group (20) enters the corresponding operation area in the nasal cavity under the action of pressure;
the air intake passage (103) communicates the air supply tube group (30) and the air bag (40) so that the air bag (40) is inflated with the gas under pressure supplied from the air supply tube group (30).
2. The nasal delivery device of claim 1, wherein,
the branch pipe (11) is a hollow hose with two ends communicated, a medicine overflow hole (104) for overflowing medicine liquid is formed in the wall surface of the branch pipe (11), and the medicine inlet channel (102) is communicated with the medicine overflow hole (104);
the main pipe (12) is a hollow pipe with two ends communicated;
the medicine inlet channel (102) and the air inlet channel (103) are arranged along the inner channels of the branch pipe (11) and the main pipe (12), and the inner channels of the rest parts of the branch pipe (11) and the main pipe (12) are communicated to form a breathing channel (101).
3. The nasal delivery device of claim 2, wherein,
the two branch pipes (11) are formed by symmetrically bending a hollow hose.
4. The nasal delivery device of claim 2, wherein,
the main pipe (12) and the two branch pipes (11) are integrally formed; or alternatively
The joint of the main pipe (12) and the two branch pipes (11) is in fit connection in an interference manner; or alternatively
The joint of the main pipe (12) and the two branch pipes (11) is connected through a buckle structure.
5. The nasal delivery device of claim 2, wherein,
the medicine overflow holes (104) are arranged on the opposite inner side walls of the two branch pipes (11);
the number of the medicine overflow holes (104) is multiple, and the medicine overflow holes (104) are uniformly distributed at intervals along the inner side wall of the branch pipe (11).
6. The nasal delivery device of claim 2, wherein,
the medicine inlet channel (102) is formed by a gap between a first connecting sheet connected to the inner channel wall surfaces of the two branch pipes (11) and the main pipe (12) and the inner channel wall surface; or alternatively
The medicine inlet channel (102) is formed by channels arranged in the channel wall surfaces of the two branch pipes (11) and the main pipe (12); or alternatively
The medicine inlet channel (102) is formed by an inner tube connected to the channel wall surfaces in the two branch tubes (11) and the main tube (12).
7. The nasal delivery device of claim 2, wherein,
the medicine feeding tube group (20) comprises a medicine feeding tube (21) which is connected to the outer wall surface of the main tube (12) and is communicated with the medicine feeding channel (102), and a first pressure valve (22) which is arranged in the medicine feeding tube (21);
the medicine feeding pipe (21) is used for being connected with an external medicine feeding device;
the first pressure valve (22) is used for opening after the set pressure is reached so as to enable the liquid medicine to enter the medicine inlet channel (102).
8. The nasal delivery device of claim 2, wherein,
the airbag (40) is connected to the outside of the branch pipe (11) and extends in the longitudinal direction of the branch pipe (11).
9. The nasal delivery device of claim 2, wherein,
the air inlet channel (103) is formed by a gap between a second connecting sheet connected to the inner channel wall surfaces of the two branch pipes (11) and the main pipe (12) and the inner channel wall surface; or alternatively
The air inlet channel (103) is formed by channels arranged in the channel wall surfaces of the two branch pipes (11) and the main pipe (12); or alternatively
The intake passage (103) is formed by an inner tube connected to the passage wall surfaces in the two branch pipes (11) and the main pipe (12).
10. The nasal delivery device of claim 2, wherein,
the air supply pipe group (30) comprises an air inlet pipe (31) connected to the outer wall surface of the main pipe (12) and communicated with the air inlet channel (103), and a second pressure valve (32) arranged in the air inlet pipe (31);
the air inlet pipe (31) is used for being connected with an external air supply device;
the second pressure valve (32) is used for opening after the set pressure is reached, so that the pressurized gas can enter the air inlet channel (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222002411.7U CN219290415U (en) | 2022-07-29 | 2022-07-29 | Nasal cavity administration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222002411.7U CN219290415U (en) | 2022-07-29 | 2022-07-29 | Nasal cavity administration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219290415U true CN219290415U (en) | 2023-07-04 |
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ID=86958394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222002411.7U Active CN219290415U (en) | 2022-07-29 | 2022-07-29 | Nasal cavity administration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219290415U (en) |
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2022
- 2022-07-29 CN CN202222002411.7U patent/CN219290415U/en active Active
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