Oral wound liquid medicine smearing device

By designing a detachable connection structure with disposable injection cartridge and disposable application head, the problems of high cost of consumables and cross-infection risk of existing devices are solved, and environmental protection and simplicity of operation are improved.

CN223170156UActive Publication Date: 2025-08-01青岛市即墨区温泉卫生院
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Patent Information

Application Number
CN202421878057.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-08-01
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The existing oral wound liquid application device uses disposable medicine brushes to cause high risk of cross infection and high cost of consumables, and poor environmental protection.

Method used

A oral wound liquid application device is designed, and the removable connection structure between the injection cartridge and the disposable application head is adopted. It is fixed by clamping and springs to realize the separate replacement of the disposable application head, and the connection sealing is ensured through a sealing ring.

Benefits of technology

It reduces the cost of consumables for single-use application, improves the ease of operation and the firmness of connection, reduces the risk of cross-infection, and enhances environmental protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an oral cavity wound liquid medicine smearing device, and relates to the technical field of oral cavity medicine applying. A push rod is connected into the medicine injection cylinder, and a piston is installed at the end of the push rod and makes contact with the inner wall of the medicine injection cylinder. The medicine injection cylinder is connected with a disposable medicine applying head, the disposable medicine applying head is T-shaped, and the medicine injection cylinder is communicated with the interior of the disposable medicine applying head; and a loop is sleeved outside the medicine injection cylinder and is in contact with the disposable medicine applying head. The piston is pushed to move through the push rod, the medicine used for treatment in the medicine injection cylinder is pushed into the disposable medicine applying head through the piston, the medicine flows to the soft bristles through the medicine outlet micropores, the medicine can be applied to the oral cavity wound part through the soft bristles, operation is easier and more convenient, and the medicine applying effect is better. And the disposable medicine applying head and the medicine injection cylinder are connected together in a clamping manner, so that the disposable medicine applying head can be conveniently and independently replaced, and the cost of consumables required by single-time medicine applying is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of oral medicine application, in particular to a device for applying liquid medicine to oral wounds. Background Art

[0002] Oral diseases are pathological phenomena that occur when the oral cavity is damaged by external physical and chemical factors, invaded by pathogens, have abnormal development of the dentofacial area, and suffer from systemic diseases. There are many types of oral diseases, and diseases that originate in the oral cavity are easily contaminated by bacteria and require multiple and continuous applications of liquid medicine to the oral cavity.

[0003] In order to avoid cross infection, the current existing oral wound medication application operation mostly uses disposable medication brushes. The medication brushes are integrated for ease of processing and are discarded as a whole after use. This is not environmentally friendly and the cost of consumables required for a single medication application is high. Utility Model Content

[0004] The present invention relates to a device for applying liquid medicine to oral wounds, which solves the problem that in the existing oral wound medicine application operation, in order to avoid the occurrence of cross infection, disposable medicine application brushes are often used for applying medicine. The medicine application brush is an integrated type for the convenience of processing and is discarded as a whole after use, which is not environmentally friendly and has a high cost of consumables required for a single application of medicine.

[0005] In a first aspect of the present disclosure, a device for applying liquid medicine to oral wounds is provided, specifically comprising: a drug injection cartridge; a push rod is connected to the interior of the drug injection cartridge, a piston is installed at the end of the push rod, and the piston is in contact with the inner wall of the drug injection cartridge; the drug injection cartridge is connected to a disposable applicator head, the disposable applicator head is T-shaped, and the drug injection cartridge is connected to the interior of the disposable applicator head; a looper is provided on the exterior of the drug injection cartridge, and the looper is in contact with the disposable applicator head.

[0006] Furthermore, a drug outlet tube is provided on the outside of the drug injection cartridge, and a drug inlet port is provided on the outside of the disposable applicator head. The drug outlet tube is inserted into the drug inlet port. The drug injection cartridge is connected to the disposable applicator head through the drug outlet tube. A sealing ring is installed on the outside of the drug outlet tube, and the sealing ring is in contact with the inner side of the drug inlet port.

[0007] Furthermore, the outside of the disposable applicator head is provided with drug outlet micropores in an arranged manner, and soft bristles are provided on the outside of the disposable applicator head. The soft bristles surround the periphery of the drug outlet micropores. The piston is pushed to move by the push rod, and the piston is used to push the drug used for treatment inside the drug injection cartridge into the disposable applicator head. The drug flows through the drug outlet micropores to the soft bristles, and the drug can be applied to the oral wound through the soft bristles.

[0008] Further, two clamping blocks are arranged outside the medicine outlet tube, and two L-shaped clamping grooves are arranged outside the medicine inlet port. The clamping blocks are connected inside the clamping blocks, and the disposable medicine applicator head is connected to the medicine injection cylinder by a clamping method, which is convenient for separately replacing the disposable medicine applicator head.

[0009] Further, the loose sleeve is slidably connected to the outside of the medicine outlet tube. Two guiding blocks are arranged outside the medicine outlet tube, and two moving holes are arranged outside the loose sleeve. The guiding blocks are slidably connected inside the moving holes.

[0010] Further, two inserting blocks are arranged outside the loose sleeve, and the inserting blocks are inserted into the L-shaped clamping grooves.

[0011] Further, a spring is sleeved outside the medicine outlet tube. One end of the spring is in contact with the medicine injection cylinder, and the other end of the spring is in contact with the loose sleeve. When the clamping block is connected to the innermost end of the clamping block, the loose sleeve moves under the influence of the spring thrust, so that the inserting block is inserted into the L-shaped clamping groove, and the disposable medicine applicator head is fixed by the loose sleeve, ensuring the firm connection between the disposable medicine applicator head and the medicine injection cylinder.

[0012] The utility model provides an oral wound medicine applying device, which has the following beneficial effects:

[0013] When the utility model is in use, the piston is pushed to move by the push rod, and the medicine for treatment inside the medicine injection cylinder is pushed into the disposable medicine applicator head by the piston. The medicine flows to the soft bristles through the medicine outlet micropores, and then the medicine can be applied to the oral wound part by the soft bristles. The operation is more convenient, and the sealing performance of the connection part between the disposable medicine applicator head and the medicine injection cylinder is ensured by the sealing ring; and the disposable medicine applicator head is connected to the medicine injection cylinder by a clamping method, which is convenient for separately replacing the disposable medicine applicator head and reduces the consumable cost required for single-time medicine application.

[0014] In addition, through the sliding fit between the guiding block and the moving hole, the guiding effect on the movement of the loose sleeve is achieved. When the clamping block is connected to the innermost end of the clamping block, the loose sleeve moves under the influence of the spring thrust, so that the inserting block is inserted into the L-shaped clamping groove, and the disposable medicine applicator head is fixed by the loose sleeve, ensuring the firm connection between the disposable medicine applicator head and the medicine injection cylinder; when the disposable medicine applicator head needs to be replaced, the loose sleeve is moved in the reverse direction, the spring is compressed under force, and the inserting block is separated from the L-shaped clamping groove, and then the disposable medicine applicator head can be rotated to separate the disposable medicine applicator head from the medicine injection cylinder, and the operation is simple.

[0015] Other advantages, objectives and features of the utility model will be partially reflected by the following description, and partially will also be understood by those skilled in the art through the research and practice of the utility model. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The accompanying drawings in the following description only relate to some embodiments of the present utility model and do not limit the present utility model.

[0018] In the accompanying drawings:

[0019] Figure 1 A schematic isometric structure diagram of the whole application is shown;

[0020] Figure 2 A schematic disassembled structure diagram of the medicine injection cylinder and the disposable medicine application head of the present application is shown;

[0021] Figure 3 A schematic disassembled structure diagram of the medicine injection cylinder and the loose sleeve of the present application is shown;

[0022] Figure 4 A schematic connection structure diagram of the push rod and the piston of the present application is shown;

[0023] Figure 5 A schematic isometric structure diagram of the disposable medicine application head of the present application is shown.

[0024] List of reference numerals

[0025] 1. Medicine injection cylinder; 101. Medicine outlet end tube; 1011. Clamping block; 1012. Guide block; 2. Push rod; 3. Piston; 4. Disposable medicine application head; 401. Medicine inlet port; 4011. L-shaped clamping groove; 402. Medicine outlet micropores; 403. Soft bristles; 5. Sealing ring; 6. Loose sleeve; 601. Movable hole; 602. Insert block; 7. Spring. Detailed implementation manners

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1: Please refer to Figures 1 to 5 :

[0028] The present utility model provides an oral wound liquid medicine applying device, comprising: a medicine injection cylinder 1; a push rod 2 is connected inside the medicine injection cylinder 1, a piston 3 is installed at the end of the push rod 2, and the piston 3 is in contact with the inner wall of the medicine injection cylinder 1; the medicine injection cylinder 1 is connected with a disposable medicine applying head 4, the disposable medicine applying head 4 is in a T shape, and the inside of the medicine injection cylinder 1 is communicated with the inside of the disposable medicine applying head 4; a movable sleeve 6 is sleeved outside the medicine injection cylinder 1, and the movable sleeve 6 is in contact with the disposable medicine applying head 4; a medicine outlet end pipe 101 is arranged outside the medicine injection cylinder 1, a medicine inlet port 401 is arranged outside the disposable medicine applying head 4, the medicine outlet end pipe 101 is inserted into the medicine inlet port 401, and the medicine injection cylinder 1 is communicated with the disposable medicine applying head 4 through the medicine outlet end pipe 101. A sealing ring 5 is installed outside the medicine outlet end pipe 101, and the sealing ring 5 is in contact with the inner side of the medicine inlet port 401; medicine outlet micropores 402 are arranged in an array outside the disposable medicine applying head 4, and soft bristles 403 are arranged outside the disposable medicine applying head 4. The soft bristles 403 surround the medicine outlet micropores 402. By pushing the piston 3 to move through the push rod 2, the medicine for treatment inside the medicine injection cylinder 1 is pushed into the disposable medicine applying head 4, and the medicine flows onto the soft bristles 403 through the medicine outlet micropores 402, so that the medicine can be applied to the oral wound site through the soft bristles 403, the operation is more convenient, and the sealing performance of the connection part between the disposable medicine applying head 4 and the medicine injection cylinder 1 is ensured through the sealing ring 5.

[0029] In the embodiment of the present disclosure, two clamping blocks 1011 are arranged outside the medicine outlet end pipe 101, and two L-shaped clamping grooves 4011 are arranged outside the medicine inlet port 401, and the clamping blocks 1011 are connected in the clamping blocks 1011; adopting the above technical solution, the disposable medicine applying head 4 is connected with the medicine injection cylinder 1 in a clamping manner, which is convenient for separately replacing the disposable medicine applying head 4 and reduces the cost of consumables required for single-time medicine application.

[0030] In the embodiments of the present disclosure, the loop 6 is slidably connected to the outside of the medicine outlet tube 101. There are two guiding blocks 1012 on the outside of the medicine outlet tube 101. There are two movable holes 601 on the outside of the loop 6. The guiding blocks 1012 are slidably connected to the movable holes 601. There are two inserting blocks 602 on the outside of the loop 6. The inserting blocks 602 are inserted into the L-shaped card slots 4011. A spring 7 is sleeved on the outside of the medicine outlet tube 101. One end of the spring 7 contacts the medicine injection cylinder 1, and the other end of the spring 7 contacts the loop 6. With the above technical solution, through the sliding fit between the guiding blocks 1012 and the movable holes 601, the guiding effect on the movement of the loop 6 is achieved. When the clamping block 1011 is connected to the innermost end of the clamping block 1011, the loop 6 moves under the influence of the thrust of the spring 7, so that the inserting blocks 602 are inserted into the L-shaped card slots 4011, and the disposable medicine applying head 4 is fixed by the loop 6, ensuring the firm connection between the disposable medicine applying head 4 and the medicine injection cylinder 1. When it is necessary to replace the disposable medicine applying head 4, the loop 6 is moved in the reverse direction, the spring 7 contracts under force, so that the inserting blocks 602 are separated from the L-shaped card slots 4011, and then the disposable medicine applying head 4 can be rotated to separate the disposable medicine applying head 4 from the medicine injection cylinder 1, and the operation is simple and convenient.

[0031] The working principle of this embodiment: First, connect the medicine outlet tube 101 to the medicine inlet port 401, and connect the clamping block 1011 to the clamping block 1011. The disposable medicine applying head 4 and the medicine injection cylinder 1 are connected together by a clamping method. Through the sliding fit between the guiding blocks 1012 and the movable holes 601, the guiding effect on the movement of the loop 6 is achieved. When the clamping block 1011 is connected to the innermost end of the clamping block 1011, the loop 6 moves under the influence of the thrust of the spring 7, so that the inserting blocks 602 are inserted into the L-shaped card slots 4011, and the disposable medicine applying head 4 is fixed by the loop 6, ensuring the firm connection between the disposable medicine applying head 4 and the medicine injection cylinder 1. The piston 3 is pushed to move by the push rod 2, and the medicine for treatment inside the medicine injection cylinder 1 is pushed into the disposable medicine applying head 4 by the piston 3. The medicine flows to the soft bristles 403 through the medicine outlet micropores 402, and then the medicine can be applied to the oral wound part through the soft bristles 403, and the sealing ring 5 ensures the sealing of the connection part between the disposable medicine applying head 4 and the medicine injection cylinder 1. When it is necessary to replace the disposable medicine applying head 4, the loop 6 is moved in the reverse direction, the spring 7 contracts under force, so that the inserting blocks 602 are separated from the L-shaped card slots 4011, and then the disposable medicine applying head 4 can be rotated to separate the disposable medicine applying head 4 from the medicine injection cylinder 1.

[0032] In this article, the following points need to be noted:

[0033] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0034] 2. Without conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. An oral wound liquid medicine application device, comprising: Drug injection syringe (1); characterized in that a push rod (2) is connected inside the drug injection syringe (1), a piston (3) is installed at the end of the push rod (2), and the piston (3) is in contact with the inner wall of the drug injection syringe (1); the drug injection syringe (1) is connected with a disposable drug application head (4), the disposable drug application head (4) is in a T shape, and the inside of the drug injection syringe (1) is in communication with the inside of the disposable drug application head (4); a loose sleeve (6) is sleeved outside the drug injection syringe (1), and the loose sleeve (6) is in contact with the disposable drug application head (4).

2. The oral wound liquid medicine applying device according to claim 1, characterized in that an end pipe for drug outlet (101) is arranged outside the drug injection syringe (1), a medicine inlet port (401) is arranged outside the disposable drug application head (4), the end pipe for drug outlet (101) is inserted into the medicine inlet port (401), the drug injection syringe (1) is communicated with the disposable drug application head (4) through the end pipe for drug outlet (101), a sealing ring (5) is installed outside the end pipe for drug outlet (101), and the sealing ring (5) is in contact with the inner side of the medicine inlet port (401).

3. The oral wound liquid medicine applying device according to claim 1, characterized in that medicine outlet micropores (402) are arranged in an array outside the disposable drug application head (4), soft bristles (403) are arranged outside the disposable drug application head (4), and the soft bristles (403) surround the medicine outlet micropores (402).

4. The oral wound liquid medicine applying device according to claim 2, characterized in that two clamping blocks (1011) are arranged outside the end pipe for drug outlet (101), two L-shaped clamping grooves (4011) are arranged outside the medicine inlet port (401), and the clamping blocks (1011) are connected in the clamping blocks (1011).

5. The oral wound liquid medicine applying device according to claim 2, characterized in that the loose sleeve (6) is slidably connected to the outside of the end pipe for drug outlet (101), two guiding blocks (1012) are arranged outside the end pipe for drug outlet (101), two moving holes (601) are arranged outside the loose sleeve (6), and the guiding blocks (1012) are slidably connected in the moving holes (601).

6. The oral wound liquid medicine applying device according to claim 4, characterized in that two inserting blocks (602) are arranged outside the loose sleeve (6), and the inserting blocks (602) are inserted into the L-shaped clamping grooves (4011).

7. The oral wound liquid medicine applying device according to claim 2, characterized in that a spring (7) is sleeved outside the end pipe for drug outlet (101), one end of the spring (7) is in contact with the drug injection syringe (1), and the other end of the spring (7) is in contact with the loose sleeve (6).