Leakage-proof tail plug of vagina administration device
By adopting a combined structure of rotating column, clamping column, clamping slot, clamping block, spring and fixing block in the vaginal drug delivery tail plug, the problem of poor fixing effect of tail plug is solved, and better sealing and pollution protection are achieved.
Patent Information
- Application Number
- CN202420791483.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The tail plug of the existing vaginal doser is not fixed well and it is easy to slip out, causing contamination inside the doser.
A vaginal drug delivery device leak-proof tail plug is designed, and a combined structure of rotating column, clamping column, clamping slot, clamping block, spring and fixing block is used to achieve a firm fixation of the tail plug through the interaction of these components.
It effectively prevents the tail plug from sliding out, enhances the sealing of the drug delivery device, protects the drug liquid inside the drug delivery device, and avoids contamination.
Smart Images

Figure CN222533920U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical devices, and in particular relates to a leakage-proof tail plug for a vaginal drug delivery device. Background Art
[0002] At present, disposable vaginal fluid drug delivery devices generally consist of the following parts: a pump body (with a drug outlet at the tail), a piston, a sealing head or a tail cover. The pump body and the piston are assembled to form a cavity container with one end closed. During production, a certain dose of fluid drug is injected from the drug outlet, and then the sealing head is installed or the tail cover is covered. When in use, the sealing head or the tail cover is removed, the piston is pushed, and the drug flows out from the drug outlet and is delivered to the lesion site in the vagina.
[0003] In the prior art, the general tail plug only uses a single-layer sealing ring to seal the applicator, which has a poor fixing effect. The tail plug will slip out of the applicator and cause the inside of the applicator to be contaminated. Therefore, a leak-proof tail plug for a vaginal applicator is needed to solve the above problem. Utility Model Content
[0004] The utility model aims to provide a leakage-proof tail plug for a vaginal drug delivery device to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leak-proof tail plug of a vaginal drug delivery device, comprising a tail plug, a rotating column groove is provided in the tail plug, a limiting column is provided in the rotating column groove, a fixing component is provided in the tail plug, the fixing component comprises a rotating column, a clamping column is provided outside the rotating column, a clamping groove is provided outside the clamping column, a clamping block is provided in the tail plug, a spring is provided at the other end of the rotating column, and a fixing block is slidably connected to the limiting column.
[0006] By providing a rotating column, a clamping column, a clamping groove, a clamping block, a spring and a fixed block, when the tail plug is inserted into the dispenser, the rotating column is pressed until the clamping block enters the clamping groove, and then the rotating column is rotated to clamp the clamping block in the clamping groove. At the same time, the other end of the rotating column will squeeze the fixed block, so that the fixed block slides out and is clamped in the fixed groove.
[0007] As a preferred implementation, a sealing ring is provided outside the tail plug.
[0008] By providing a sealing ring, the applicator can be initially sealed to prevent the internal medicine liquid from flowing out.
[0009] As a preferred embodiment, an alcohol volatilization hole is provided in the tail plug, and the tail plug is slidably connected to a dispenser via a sealing ring, and a fixing groove is provided in the dispenser.
[0010] By providing the alcohol volatilization hole, the inside of the dispenser can be continuously disinfected with alcohol to prevent residual bacteria from contaminating the dispenser.
[0011] As a preferred implementation, a capping ring is provided outside the tail plug, and the capping ring is located above the sealing ring.
[0012] By providing a sealing ring, the dispenser can be sealed for a second time to prevent air from entering the dispenser.
[0013] As a preferred implementation, the rotating column is located in the rotating column groove, and the clamping block and the clamping groove are clamped with each other.
[0014] By providing the clamping groove and the clamping block, the rotating column can be fixed in the tail plug by clamping the clamping block in the clamping groove.
[0015] As a preferred implementation, the spring is located in the rotating column groove, and the fixing block and the fixing groove are arranged corresponding to each other.
[0016] By providing the fixing block and the fixing groove, when the tail plug needs to be fixed, the tail plug can be fixed in the applicator by clamping the fixing block in the fixing groove.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] The utility model is provided with a rotating column, a clamping column, a clamping groove, a clamping block, a spring and a fixed block. When the tail plug is inserted into the dispenser, the rotating column is pressed until the clamping block enters the clamping groove. Thereafter, the rotating column is rotated to clamp the clamping block in the clamping groove. At the same time, the other end of the rotating column will squeeze the fixed block to make the fixed block slide out and be clamped in the fixed groove, thereby fixing the tail plug. The fixing effect is better, the tail plug will not slide out of the dispenser easily, and the dispenser can be better protected.
[0019] The utility model can continuously sterilize the inside of the dispenser with alcohol by providing the alcohol volatilization hole, thereby preventing the residual bacteria from contaminating the dispenser. Meanwhile, when the capping ring fails, the air entering the dispenser can be sterilized. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the utility model in a frontal perspective;
[0021] Figure 2 It is a schematic diagram of the sectional structure of the utility model in a front view;
[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the tail plug of the utility model in a front view.
[0023] In the figure: 1. tail plug; 2. sealing ring; 3. alcohol volatilization hole; 4. applicator; 5. fixing groove; 6. capping ring; 7. rotating column groove; 8. limiting column; 9. fixing assembly; 91. rotating column; 92. clamping column; 93. clamping groove; 94. clamping block; 95. spring; 96. fixing block. DETAILED DESCRIPTION
[0024] The utility model is further described below in conjunction with embodiments.
[0025] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.
[0026] See also Figure 1-3 The utility model provides a leak-proof tail plug for a vaginal drug delivery device, comprising a tail plug 1, a sealing ring 2 is arranged outside the tail plug 1, and the sealing ring 2 can be used to perform preliminary sealing to prevent the internal drug solution from flowing out, an alcohol volatilization hole 3 is provided inside the tail plug 1, and the tail plug 1 is slidably connected to a drug delivery device 4 through the sealing ring 2, and a fixing groove 5 is provided inside the drug delivery device 4, and a capping ring 6 is arranged outside the tail plug 1, and the capping ring 6 is located above the sealing ring 2. By providing the capping ring 6, the drug delivery device 4 can be secondary sealed to prevent air from entering the drug delivery device 4, and by providing the alcohol volatilization hole 3, the inside of the drug delivery device 4 can be continuously disinfected with alcohol to prevent residual bacteria from contaminating the drug delivery device 4, and a rotating column groove 7 is provided inside the tail plug 1, and a limiting column 8 is provided inside the rotating column groove 7;
[0027] A fixing assembly 9 is provided in the tail plug 1, and the fixing assembly 9 includes a rotating column 91, and the rotating column 91 is located in the rotating column groove 7. By providing the rotating column groove 7, the rotating column 91 is limited and supported. A clamping column 92 is provided outside the rotating column 91, and a clamping groove 93 is provided outside the clamping column 92. A clamping block 94 is provided in the tail plug 1. By providing the clamping groove 93 and the clamping block 94, the rotating column 91 can be fixed in the tail plug 1 by clamping the clamping block 94 in the clamping groove 93. The clamping block 94 and the clamping groove 93 are mutually clamped. A spring 95 is provided at the other end of the rotating column 91. By providing a limiting column 8, the spring 95 It plays a limiting role. The spring 95 is located in the rotating column groove 7. The limiting column 8 is slidably connected with a fixed block 96. The fixed block 96 and the fixed groove 5 are arranged corresponding to each other. By arranging a rotating column 91, a clamping column 92, a clamping groove 93, a clamping block 94, a spring 95 and a fixed block 96, when the tail plug 1 is inserted into the drug dispenser 4, the rotating column 91 is pressed until the clamping block 94 enters the clamping groove 93. Thereafter, the rotating column 91 is rotated to clamp the clamping block 94 in the clamping groove 93. At the same time, the other end of the rotating column 91 will squeeze the fixed block 96, so that the fixed block 96 slides out and is clamped in the fixed groove 5, thereby fixing the tail plug 1.
[0028] The working principle and use process of the utility model are as follows: when the tail plug 1 needs to be inserted, the tail plug 1 is directly inserted into the drug dispenser 4 until the capping ring 6 is also inserted into the drug dispenser 4. Then, the rotating column 91 is pressed, and the rotating column 91 will move downward. The rotating column 91 moving downward will drive the clamping column 92 to move downward until the clamping block 94 is clamped into the clamping groove 93 in the clamping column 92. Then, the rotating column 91 is rotated, and the rotating rotating column 91 will drive the clamping column 92 to rotate, thereby clamping the clamping block 94 in the clamping groove 93 to prevent the spring 95 from driving the rotating column 91 to rebound, thereby fixing the rotating column 91. While pressing the rotating column 91, the end of the rotating column 91 will squeeze the fixing block 96, and the squeezed fixing block 96 will extend into the fixing groove 5, thereby fixing the tail plug 1.
[0029] When the tail plug 1 needs to be taken out, the rotating column 91 is twisted to disengage the clamping block 94 from the clamping groove 93. Then, the spring 95 drives the rotating column 91 to move, and then the fixing block 96 is disengaged from the fixing groove 5, and the tail plug 1 can be taken out.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A leak-proof tail plug for a vaginal drug delivery device, comprising a tail plug (1), characterized in that: The tail plug (1) is provided with a rotating column groove (7), a limiting column (8) is provided in the rotating column groove (7), a fixing assembly (9) is provided in the tail plug (1), the fixing assembly (9) comprises a rotating column (91), a clamping column (92) is provided outside the rotating column (91), a clamping groove (93) is provided outside the clamping column (92), a clamping block (94) is provided in the tail plug (1), a spring (95) is provided at the other end of the rotating column (91), and a fixing block (96) is slidably connected in the limiting column (8).
2. The anti-leakage tail plug of a vaginal drug delivery device according to claim 1, characterized in that: A sealing ring (2) is provided outside the tail plug (1).
3. The anti-leakage tail plug of a vaginal drug delivery device according to claim 1, characterized in that: The tail plug (1) is provided with an alcohol volatilization hole (3), the tail plug (1) is slidably connected to a dispenser (4) via a sealing ring (2), and a fixing groove (5) is provided in the dispenser (4).
4. The anti-leakage tail plug of a vaginal drug delivery device according to claim 1, characterized in that: A sealing ring (6) is provided outside the tail plug (1), and the sealing ring (6) is located above the sealing ring (2).
5. The anti-leakage tail plug of a vaginal drug delivery device according to claim 1, characterized in that: The rotating column (91) is located in the rotating column groove (7), and the clamping block (94) and the clamping groove (93) are clamped with each other.
6. The anti-leakage tail plug of a vaginal drug delivery device according to claim 1, characterized in that: The spring (95) is located in the rotating column groove (7), and the fixing block (96) and the fixing groove (5) are arranged corresponding to each other.