CN219127961U

CN219127961U - Nasal cavity administration device

Info

Publication number: CN219127961U
Application number: CN202223382429.0U
Authority: CN
Inventors: 董群
Original assignee: Dubu Wuqi Biomedical Technology Jiangsu Co ltd
Current assignee: Dubu Wuqi Biomedical Technology Jiangsu Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The utility model belongs to the technical field of nasal cavity medicine application devices, and discloses a nasal cavity medicine application device which comprises a tube body, a liquid storage sleeve and a medicine application tube. The liquid storage sleeve is sleeved at one end of the pipe body; one end of the administration tube is configured to be connected with the injector, and the other end extends into the tube body and is connected with the inner wall of the liquid storage sleeve, and a respiratory passage is formed between the outer wall of the administration tube and the inner wall of the tube body. The liquid storage sleeve is inserted into the nasal cavity, and a breathing channel is formed between the drug administration tube and the tube body for the patient to breathe; the syringe propelling movement liquid medicine, liquid medicine flow to the stock solution cover from the administration tube, and the stock solution cover absorbs and stores the medicine, has reduced the outflow of medicine from the nasal cavity in, and the mucous membrane is absorbed the in-process of medicine in the nasal cavity, and the stock solution cover can keep the wettability of liquid medicine, and duration is long to kept the drug effect of medicine, improved the absorption efficiency of medicine, the periphery of stock solution cover fully contacts with the inner membrance of nasal cavity, and the contact surface is big, and is big to the administration area of nasal cavity, has equally improved the absorption efficiency of medicine.

Description

Nasal cavity administration device

Technical Field

The utility model relates to the technical field of nasal cavity medicine application devices, in particular to a nasal cavity medicine application device.

Background

The nasal administration refers to delivering the drug into the nasal cavity through the nostril, the drug reaches the action part through the mucus layer and the mucous membrane epithelial cell layer, a plurality of fine fluff are arranged on the mucous membrane cells of the nose, the effective area for absorbing the drug is increased, and the mucous membrane cells are provided with rich blood vessels and lymphatic vessels, and the drug can directly enter the systemic circulation after being absorbed through the mucous membrane, so the nasal administration shows advantages in the treatment of local diseases of the nasal cavity, brain or systemic diseases.

The common nasal administration adopts a dripping or spraying mode, and aiming at liquid medicines, the medicines are easy to flow out, so that the administration amount is reduced, and the treatment effect is further reduced. In addition, the nasal cavity administration process generally takes a long time, and the problem of repeated administration is involved, and in the air environment, the problems that the medicines, particularly protein medicines, are easy to dry to cause protein denaturation, the absorption efficiency is relatively low, the treatment effect of the medicines is reduced, and the like often occur.

Accordingly, there is a need to provide a nasal delivery device that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide a nasal cavity drug delivery device which can reduce the outflow of drugs, maintain the efficacy of the drugs and improve the absorption efficiency of the drugs.

To achieve the purpose, the utility model adopts the following technical scheme:

a nasal delivery device comprising:

a tube body;

the liquid storage sleeve is sleeved at one end of the pipe body;

and one end of the administration tube is configured to be connected with the injector, the other end of the administration tube extends into the tube body and is connected with the inner wall of the liquid storage sleeve, and a breathing channel is formed between the outer wall of the administration tube and the inner wall of the tube body.

Optionally, the drug delivery tube is provided with a plurality of drug delivery tubes, one ends of the drug delivery tubes connected with the inner wall of the liquid storage sleeve are uniformly distributed along the circumferential direction of the liquid storage sleeve, and the other ends of the drug delivery tubes are configured to be connected with the injector.

Optionally, a drug injection hole is formed in the wall of the tube body, the liquid storage sleeve is sleeved outside the tube body and covers the drug injection hole, and the drug administration tube is connected with the inner wall of the liquid storage sleeve through the drug injection hole.

Optionally, two drug delivery pipes are provided, two drug injection holes are symmetrically formed along the circumferential direction of the pipe body, and each drug injection hole corresponds to each drug delivery pipe one by one.

Optionally, the device further comprises three-way connectors, one connector of the three-way connectors is configured to be connected with the syringe, and the other two connectors are connected with the two administration tubes in a one-to-one correspondence.

Optionally, each of the administration tubes is fixedly inserted on the three-way joint.

Optionally, the pipe body includes big footpath pipeline section and the minor approach pipeline section that links to each other, the minor approach pipeline section with big footpath pipeline section junction forms spacing step, the stock solution cover is established on the minor approach pipeline section, and one end support hold in spacing step.

Optionally, the administration tube includes a first tube section and a second tube section that are connected, the first tube section is disposed in the tube body in a penetrating manner and is connected to the inner wall of the liquid storage sleeve, the breathing channel is formed between the outer wall of the first tube section and the inner wall of the tube body, and the second tube section is disposed outside the tube body and is configured to be connected to the syringe.

Optionally, the liquid storage sleeve protrudes out of one end of the tube body in the length direction of the tube body.

Optionally, the liquid storage sleeve is a collagen sponge sleeve.

The utility model has the beneficial effects that:

according to the nasal cavity drug delivery device provided by the utility model, the liquid storage sleeve is inserted into the nasal cavity, and a respiratory channel is formed between the drug delivery tube and the tube body for the patient to breathe; the syringe propelling movement liquid medicine, liquid medicine flow to the stock solution cover from the administration tube, and the stock solution cover absorbs and stores the medicine, has reduced the outflow of medicine from the nasal cavity in, and the mucous membrane is absorbed the in-process of medicine in the nasal cavity, and the stock solution cover can keep the wettability of liquid medicine, and duration is long to kept the drug effect of medicine, improved the absorption efficiency of medicine, the periphery of stock solution cover fully contacts with the inner membrance of nasal cavity, and the contact surface is big, and is big to the administration area of nasal cavity, has equally improved the absorption efficiency of medicine.

Drawings

Fig. 1 is a schematic view of a nasal delivery device according to an embodiment of the present utility model.

In the figure: 100. a breathing passage;

1. a tube body; 11. a drug injection hole; 12. a limit step;

2. a liquid storage sleeve;

3. a drug administration tube; 31. a first pipe section; 32. a second pipe section;

4. and a three-way joint.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the present embodiment provides a nasal administration device, specifically, it includes a tube body 1, a liquid storage sleeve 2, and an administration tube 3.

As shown in fig. 1, a liquid storage sleeve 2 is sleeved at one end of a pipe body 1; one end of the administration tube 3 is configured to be connected to a syringe, and the other end extends into the tube body 1 and is connected to the inner wall of the liquid storage jacket 2, and a breathing channel 100 is formed between the outer wall of the administration tube 3 and the inner wall of the tube body 1. Specifically, one end of the administration tube 3 may be connected to a syringe in the prior art, and the other end of the administration tube 3 extends into the tube body 1 from the end of the tube body 1 away from the liquid storage jacket 2 and is connected to the liquid storage jacket 2 in the tube body 1. The liquid storage sleeve 2 is inserted into the nasal cavity of a patient, the periphery of the liquid storage sleeve 2 is fully contacted with the inner membrane of the nasal cavity, the liquid medicine is pushed by the injector, the liquid medicine can be conveyed to the liquid storage sleeve 2 through the administration tube 3, the liquid medicine is absorbed by the liquid storage sleeve 2, the outflow of the liquid medicine is reduced, the liquid storage sleeve 2 is used for administering the inner membrane of the nasal cavity of the patient in a state of being wet by the liquid medicine, the drug effect of the drug is maintained, and the absorption efficiency of the drug is improved.

Specifically, the outer diameter of the administration tube 3 is smaller than the inner diameter of the tube body 1, so that a breathing channel 100 is formed between the administration tube 3 and the tube body 1, and the breathing channel 100 is used for breathing of a patient while the administration tube 3 is administered to the nasal cavity. Illustratively, the tube body 1 has a tube diameter that is at least 3 times the tube diameter of the administration tube 3, thereby leaving sufficient breathing passages 100 to keep the patient breathing unobstructed while administering the drug.

With continued reference to fig. 1, optionally, a drug injection hole 11 is formed in the pipe wall of the pipe body 1, the liquid storage sleeve 2 is sleeved outside the pipe body 1, and is coated with the drug injection hole 11, and the drug administration pipe 3 is connected with the inner wall of the liquid storage sleeve 2 through the drug injection hole 11. Specifically, one end of the administration tube 3, which is close to the liquid storage sleeve 2, is connected with the edge of the injection hole 11 in the tube body 1 in a sealing manner. The injector pushes the liquid medicine, the liquid medicine flows from the medicine feeding tube 3 to the medicine feeding hole 11, then flows out of the tube body 1 from the medicine feeding hole 11, and then infiltrates the liquid storage sleeve 2 for storage and absorption of the liquid storage sleeve 2, and then the liquid medicine is fed to the nasal cavity inner membrane.

Optionally, a plurality of administration tubes 3 are provided, one end of each administration tube 3 connected to the inner wall of the liquid storage sleeve 2 is uniformly distributed along the circumferential direction of the liquid storage sleeve 2, and the other end of each administration tube 3 is configured to be connected to a syringe. The liquid storage sleeve 2 can be uniformly wetted in the circumferential direction through the plurality of administration pipes 3, so that the administration area is increased, and the absorption efficiency of the medicine is improved. As shown in fig. 1, in the present embodiment, two drug delivery tubes 3 are provided, two drug injection holes 11 are symmetrically provided along the circumferential direction of the tube body 1, and each drug injection hole 11 corresponds to each drug delivery tube 3 one by one. That is, the two administration tubes 3 respectively feed the liquid medicine to both sides of the liquid storage jacket 2, quicken the wetting of the liquid storage jacket 2, and improve the wetting uniformity, thereby improving the administration effect.

As shown in fig. 1, the nasal delivery device may optionally further comprise a three-way connector 4, one of the three-way connectors 4 being configured to connect to a syringe, the other two connectors being connected to two delivery tubes 3 in a one-to-one correspondence. The administration tubes 3 are connected to the same injector through the three-way connector 4, and each administration tube 3 can be administered simultaneously so as to promote the liquid medicine wetting uniformity of the liquid storage sleeve 2.

Alternatively, each of the administration tubes 3 is fixedly inserted on the three-way joint 4. Specifically, the administration tube 3 is a silicone tube, which is fixedly inserted into the three-way joint 4 by interference fit. When the three-way joint 4 and the administration tube 3 are required to be detached, the administration tube is pulled out forcefully.

Optionally, the pipe body 1 comprises a large-diameter pipe section and a small-diameter pipe section which are connected, a limiting step 12 is formed at the joint of the small-diameter pipe section and the large-diameter pipe section, the liquid storage sleeve 2 is sleeved on the small-diameter pipe section, and one end of the liquid storage sleeve abuts against the limiting step 12. That is, the limit of the limited position step 12 of the liquid storage sleeve 2 is convenient for positioning and mounting the liquid storage sleeve 2. In this embodiment, the tube body 1 and the liquid storage sleeve 2 are both cylindrical structures, and the surfaces of the tube body and the liquid storage sleeve are not sharp and convex, so that the nasal cavity inner membrane of a patient is prevented from being hurt.

As shown in fig. 1, the administration tube 3 optionally includes a first tube segment 31 and a second tube segment 32 connected to each other, the first tube segment 31 is disposed through the tube body 1 and connected to the inner wall of the liquid storage jacket 2, a respiratory passage 100 is formed between the outer wall of the first tube segment 31 and the inner wall of the tube body 1, and the second tube segment 32 is disposed outside the tube body 1 and configured to be connected to a syringe. That is, the end of the administration tube 3 connected to the syringe is located outside the tube body 1, thereby keeping the syringe away from the patient for the administration operation of medical staff. In this embodiment, the first tube section 31 and the second tube section 32 are integrally formed silicone hoses.

In the length direction of the tube body 1, the liquid storage sleeve 2 protrudes out of one end of the tube body 1. The protruding end of the liquid storage sleeve 2 is inserted into the nasal cavity of a patient, and the tube body 1 is blocked by the liquid storage sleeve 2 and is not easy to contact with the nasal cavity, so that the comfort of the patient is kept. In the embodiment, the tube body 1 is a silica gel hose, so that the nasal cavity inner membrane is prevented from being bruised.

The liquid storage sleeve 2 has the characteristic of easily absorbing liquid, and the specific material is not limited, and in this embodiment, the liquid storage sleeve 2 is a collagen sponge sleeve. In other embodiments, the liquid storage sleeve 2 can be made of other medical biopolymer membranes.

In the nasal cavity drug delivery device provided by the embodiment, the liquid storage sleeve 2 is inserted into the nasal cavity, and the breathing channel 100 is formed between the drug delivery tube 3 and the tube body 1 for the patient to breathe; the syringe propelling movement liquid medicine, liquid medicine flows to stock solution cover 2 from administration tube 3, and stock solution cover 2 absorbs and stores the medicine, has reduced the outflow of medicine from the nasal cavity in-process that the nasal cavity inner membrane absorbed the medicine, and stock solution cover 2 can keep the wettability of liquid medicine, and duration is long to kept the drug effect of medicine, improved the absorption efficiency of medicine, the periphery of stock solution cover 2 fully contacts with the nasal cavity inner membrane, and the contact surface is big, and is big to the administration area of nasal cavity, has equally improved the absorption efficiency of medicine.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A nasal delivery device, comprising:

a tube body (1);

the liquid storage sleeve (2) is sleeved at one end of the pipe body (1);

and one end of the administration tube (3) is configured to be connected with the injector, the other end of the administration tube extends into the tube body (1) and is connected with the inner wall of the liquid storage sleeve (2), and a breathing channel (100) is formed between the outer wall of the administration tube (3) and the inner wall of the tube body (1).

2. The nasal administration device as claimed in claim 1, wherein a plurality of administration tubes (3) are provided, one end of each of the administration tubes (3) connected to the inner wall of the liquid storage sleeve (2) is uniformly distributed along the circumferential direction of the liquid storage sleeve (2), and the other end of each of the administration tubes (3) is configured to be connected to the syringe.

3. The nasal cavity drug delivery device according to claim 1, wherein drug injection holes (11) are formed in the pipe wall of the pipe body (1), the liquid storage sleeve (2) is sleeved outside the pipe body (1) and covers the drug injection holes (11), and the drug delivery pipe (3) is connected with the inner wall of the liquid storage sleeve (2) through the drug injection holes (11).

4. A nasal cavity administration device as claimed in claim 3, wherein two administration tubes (3) are provided, two injection holes (11) are symmetrically provided along the circumferential direction of the tube body (1), and each injection hole (11) corresponds to each administration tube (3) one by one.

5. The nasal delivery device of claim 4, further comprising three-way connectors (4), one of the three-way connectors (4) being configured to connect to the syringe, the other two connectors being connected to two of the delivery tubes (3) in a one-to-one correspondence.

6. Nasal delivery device according to claim 5, characterized in that each delivery tube (3) is fixedly inserted on the three-way connection (4).

7. The nasal delivery device according to any one of claims 1-6, wherein the tube body (1) comprises a large-diameter tube section and a small-diameter tube section which are connected, a limiting step (12) is formed at the joint of the small-diameter tube section and the large-diameter tube section, the liquid storage sleeve (2) is sleeved on the small-diameter tube section, and one end of the liquid storage sleeve is propped against the limiting step (12).

8. The nasal delivery device according to any of claims 1-6, wherein the delivery tube (3) comprises a first tube section (31) and a second tube section (32) connected, the first tube section (31) being arranged inside the tube body (1) in a penetrating manner and being connected to the inner wall of the reservoir (2), the breathing channel (100) being formed between the outer wall of the first tube section (31) and the inner wall of the tube body (1), the second tube section (32) being arranged outside the tube body (1) and being configured to be connected to the syringe.

9. Nasal delivery device according to any of claims 1-6, characterized in that the reservoir (2) protrudes from one end of the tube (1) in the length direction of the tube (1).

10. Nasal delivery device according to any of claims 1-6, characterized in that the reservoir (2) is a collagen sponge sleeve.