Catheter type dosing device

Abstract

The invention discloses a catheter type drug delivery device, which belongs to the field of drug delivery devices and comprises a drug delivery device main body, the drug delivery device main body is composed of a drug delivery device pipeline and an elliptical plate, the drug delivery device pipeline is movably sleeved with a protection structure, the protection structure is composed of a corrugated protection hose and a mounting connecting ring, and the mounting connecting ring is fixedly mounted at the lower end of the corrugated protection hose. A fixing structure is arranged on the dosing device main body in a sleeving mode at the same time, the fixing structure is movably installed on the installation connecting ring at the same time, the fixing structure is composed of four arc-shaped clamping plates, a connecting sliding block, an anti-disengaging sliding block and an annular spring, and the four arc-shaped clamping plates are symmetrically arranged. The protection structure can seal and protect the dosing device pipeline, so that the dosing device pipeline can be prevented from being touched in the medicine pumping and feeding process, the dosing device pipeline can be further prevented from being polluted by germs, and finally the protection structure is more beneficial to the body health of a user.

Description

Technical Field

[0001] The present invention relates to the field of drug delivery devices, and particularly to a catheter-type drug delivery device. Background Art

[0002] The catheter-type drug delivery device for gynecological care is a medical device designed specifically for women, used to directly and accurately deliver liquid medicine, gel or other gynecological external medicines into the vagina to improve the drug absorption efficiency and treatment effect. This drug delivery device usually consists of parts such as a catheter, an inner core (or a push rod), and a drug container (such as a tampon or a medicine capsule), and is made of medical sterile materials to ensure safety and hygiene during use. The method of using the catheter-type drug delivery device for gynecological care is relatively simple. First, open the package of the catheter-type drug delivery device, then gently insert the catheter part of the drug delivery device into the vagina until it reaches the appropriate depth. Then, gently push the inner core or the push rod to push out the drug container (such as a tampon or a medicine capsule) from the catheter and release the drug. After the drug delivery is completed, gently remove the drug delivery device from the vagina and clean and disinfect it for convenient use next time.

[0003] In the existing patent application with the application number CN202222495239.3, a drug delivery device for gynecological care is proposed, which has certain usage defects. That is, during the entire process of drawing and delivering drugs, the entire syringe tube is directly exposed outside, so the syringe tube is easily touched, and thus the syringe tube is easily contaminated by germs. When the syringe tube is contaminated by germs and then extended into the patient's vagina, it is likely to have an adverse impact on the patient's physical health. Therefore, a catheter-type drug delivery device is needed to solve the above problems. Summary of the Invention

[0004] The main purpose of the present invention is to provide a catheter-type drug delivery device, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0006] A catheter-type drug delivery device, comprising a drug delivery main body, the drug delivery main body is composed of a drug delivery pipe and an elliptical plate, a protection structure is movably sleeved on the drug delivery pipe, the protection structure is composed of a corrugated protection hose and an installation connection ring, the installation connection ring is fixedly installed at the lower end of the corrugated protection hose, a fixing structure is simultaneously sleeved on the drug delivery main body, the fixing structure is simultaneously movably installed on the installation connection ring, the fixing structure is composed of an arc-shaped clamping plate, a connecting slider, an anti-detachment slider and an annular spring, there are four arc-shaped clamping plates and they are symmetrically arranged, there are four connecting sliders and they are respectively fixedly installed at the upper ends of the four arc-shaped clamping plates, there are four anti-detachment sliders and they are respectively fixedly installed at the upper ends of the four connecting sliders, the annular spring is sleeved on the four arc-shaped clamping plates, an installation structure is installed on the drug delivery pipe and the corrugated protection hose, the installation structure is composed of a first magnetic ring and a second magnetic ring, the second magnetic ring is located below the first magnetic ring, and the first magnetic ring and the second magnetic ring can be adsorbed together.

[0007] Preferably, the elliptical plate on the drug delivery main body is sleeved on the upper side wall of the drug delivery pipe, and the drug delivery pipe and the elliptical plate are fixedly connected.

[0008] Preferably, a push-pull piston is movably installed in the drug delivery pipe, the push-pull piston is composed of a push rod, a rubber piston and a pressing plate, the rubber piston is fixedly installed at the lower end of the push rod, and the pressing plate is fixedly installed at the upper end of the push rod.

[0009] Preferably, the push rod and the rubber piston on the push-pull piston are located inside the drug delivery pipe, and the pressing plate is located above the drug delivery pipe.

[0010] Preferably, a sealing structure is installed at the lower part of the drug delivery pipe, the sealing structure is composed of a hand-held block, a sealing plate and a sealing plug column, the sealing plate is fixedly installed at the upper end of the hand-held block, and the sealing plug column is fixedly installed at the upper end of the sealing plate.

[0011] Preferably, the hand-held block and the sealing plate on the sealing structure are both located below the drug delivery pipe, and the sealing plug column can be inserted into the drug delivery pipe.

[0012] Preferably, the installation connection ring on the protection structure is a ring structure, the corrugated protection hose and the installation connection ring are both movably sleeved on the drug delivery pipe, and the corrugated protection hose and the installation connection ring are both located below the elliptical plate, four anti-detachment guide grooves are symmetrically opened inside the installation connection ring, four communication guide grooves are symmetrically opened at the lower end of the installation connection ring, and the communication guide grooves are communicated with the anti-detachment guide grooves.

[0013] Preferably, the arc-shaped clamping plate on the fixing structure is located below the installation connection ring. An arc-shaped storage groove is formed on the outer wall of the arc-shaped clamping plate. The connecting slider is slidably installed in the communicating guide groove formed at the lower end of the installation connection ring. The anti-detachment slider is slidably installed in the anti-detachment guide groove formed in the installation connection ring. The annular spring is installed in the four arc-shaped storage grooves formed on the outer walls of the four arc-shaped clamping plates, and the arc-shaped clamping plate is tightly attached to the outer wall of the drug delivery pipe under the elastic force of the annular spring.

[0014] Preferably, the first magnetic ring and the second magnetic ring on the installation structure are of an annular structure. The first magnetic ring is fixedly installed at the lower end of the elliptical plate, and the second magnetic ring is fixedly installed at the upper end of the corrugated protection hose. The second magnetic ring is adsorbed on the lower end of the first magnetic ring.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] By sleeving a protection structure on the drug delivery pipe, the protection structure can enclose and protect the drug delivery pipe, thereby avoiding the drug delivery pipe being touched during the process of drawing and delivering drugs, and further avoiding the drug delivery pipe being contaminated by germs, which is ultimately more beneficial to the health of users; by setting the fixing structure, it is convenient to fix the protection structure, thereby preventing the protection structure from easily moving on the drug delivery pipe; by setting the installation structure, it is convenient to disassemble and assemble the protection structure and the drug delivery device body, making it more convenient to clean the drug delivery device body and the protection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 is an exploded view of the drug delivery device body and the sealing structure of the present invention;

[0019] Figure 3 is a schematic diagram of the structure of the protection structure of the present invention;

[0020] Figure 4 is a schematic diagram of the structure of the push-pull piston of the present invention;

[0021] Figure 5 is a schematic diagram of the positional relationship structure between the installation connection ring and the fixing structure of the present invention;

[0022] Figure 6 is a schematic diagram of the structure of the fixing structure of the present invention;

[0023] Figure 7 is a cross-sectional view of the installation connection ring of the present invention.

[0024] In the figure: 1. Main body of the applicator; 2. Push-pull piston; 3. Sealing structure; 4. Protection structure; 5. Fixing structure; 6. Mounting structure; 7. Applicator pipe; 8. Oval plate; 9. Push rod; 10. Rubber piston; 11. Pressing plate; 12. Hand-held block; 13. Sealing plate; 14. Sealing plug column; 15. Corrugated protection hose; 16. Mounting connection ring; 17. Connecting guide groove; 18. Anti-disengagement guide groove; 19. Arc-shaped clamping plate; 20. Connecting slider; 21. Anti-disengagement slider; 22. Annular spring; 23. Arc-shaped storage groove; 24. First magnetic ring; 25. Second magnetic ring. Detailed implementation manners

[0025] To make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, a catheter-type drug delivery device includes a main body 1 of the applicator. The main body 1 of the applicator is composed of an applicator pipe 7 and an oval plate 8. The oval plate 8 on the main body 1 of the applicator is sleeved on the upper side wall of the applicator pipe 7, and the applicator pipe 7 and the oval plate 8 are fixedly connected. A push-pull piston 2 is movably installed in the applicator pipe 7. The push-pull piston 2 is composed of a push rod 9, a rubber piston 10 and a pressing plate 11. The rubber piston 10 is fixedly installed at the lower end of the push rod 9, and the pressing plate 11 is fixedly installed at the upper end of the push rod 9. The push rod 9 and the rubber piston 10 on the push-pull piston 2 are located in the applicator pipe 7, and the pressing plate 11 is located above the applicator pipe 7. A sealing structure 3 is installed at the lower part of the applicator pipe 7. The sealing structure 3 is composed of a hand-held block 12, a sealing plate 13 and a sealing plug column 14. The sealing plate 13 is fixedly installed at the upper end of the hand-held block 12, and the sealing plug column 14 is fixedly installed at the upper end of the sealing plate 13. The hand-held block 12 and the sealing plate 13 on the sealing structure 3 are both located below the applicator pipe 7, and the sealing plug column 14 can be inserted into the applicator pipe 7.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7As shown, a protective structure 4 is movably sleeved on the medicine feeder pipe 7. The protective structure 4 is composed of a corrugated protective hose 15 and a mounting connection ring 16. The mounting connection ring 16 is fixedly installed at the lower end of the corrugated protective hose 15. The mounting connection ring 16 on the protective structure 4 is of an annular structure. Both the corrugated protective hose 15 and the mounting connection ring 16 are movably sleeved on the medicine feeder pipe 7, and both the corrugated protective hose 15 and the mounting connection ring 16 are located below the elliptical plate 8. Four anti - detachment guide grooves 18 are symmetrically opened inside the mounting connection ring 16, and four communicating guide grooves 17 are symmetrically opened at the lower end of the mounting connection ring 16, and the communicating guide grooves 17 communicate with the anti - detachment guide grooves 18. By sleeving the protective structure 4 on the medicine feeder pipe 7, the protective structure 4 can conduct closed protection on the medicine feeder pipe 7, thereby avoiding the medicine feeder pipe 7 from being touched during the process of drawing and delivering medicine, and further avoiding the medicine feeder pipe 7 from being contaminated by germs, which is ultimately more beneficial to the physical health of users.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 As shown, a fixing structure 5 is simultaneously sleeved on the medicine feeder main body 1. The fixing structure 5 is simultaneously movably installed on the mounting connection ring 16. The fixing structure 5 is composed of an arc-shaped clamping plate 19, a connecting slider 20, an anti - detachment slider 21 and an annular spring 22. There are four arc-shaped clamping plates 19 and they are symmetrically arranged. There are four connecting sliders 20 and they are respectively fixedly installed at the upper ends of the four arc-shaped clamping plates 19. There are four anti - detachment sliders 21 and they are respectively fixedly installed at the upper ends of the four connecting sliders 20. The annular spring 22 is sleeved on the four arc-shaped clamping plates 19. The arc-shaped clamping plates 19 on the fixing structure 5 are located below the mounting connection ring 16. An arc-shaped receiving groove 23 is opened on the outer wall of the arc-shaped clamping plate 19. The connecting slider 20 is slidably installed in the communicating guide groove 17 opened at the lower end of the mounting connection ring 16. The anti - detachment slider 21 is slidably installed in the anti - detachment guide groove 18 opened inside the mounting connection ring 16. The annular spring 22 is installed in the four arc-shaped receiving grooves 23 opened on the outer walls of the four arc-shaped clamping plates 19, and the arc-shaped clamping plates 19 are tightly attached to the outer wall of the medicine feeder pipe 7 under the elastic force of the annular spring 22. By setting the fixing structure 5, it is convenient to fix the protective structure 4, thereby preventing the protective structure 4 from easily moving on the medicine feeder pipe 7.

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7As shown in the figure, an installation structure 6 is installed on the medicine delivery pipe 7 and the corrugated protection hose 15. The installation structure 6 is composed of a first magnetic ring 24 and a second magnetic ring 25. The second magnetic ring 25 is located below the first magnetic ring 24, and the first magnetic ring 24 and the second magnetic ring 25 can be adsorbed together. The first magnetic ring 24 and the second magnetic ring 25 on the installation structure 6 are of annular structure. The first magnetic ring 24 is fixedly installed at the lower end of the elliptical plate 8, and the second magnetic ring 25 is fixedly installed at the upper end of the corrugated protection hose 15. The second magnetic ring 25 is adsorbed at the lower end of the first magnetic ring 24. By setting the installation structure 6, the disassembly and assembly of the protection structure 4 and the medicine delivery device main body 1 can be facilitated, so that the cleaning of the medicine delivery device main body 1 and the protection structure 4 is more convenient.

[0030] It should be noted that the present invention is a catheter-type medicine delivery device. When in use, first pull out the sealing structure 3 from the medicine delivery pipe 7 on the medicine delivery device main body 1, and then the required medicine can be drawn into the medicine delivery pipe 7 by pulling the push-pull piston 2. Subsequently, the medicine delivery pipe 7 on the medicine delivery device main body 1 can be brought close to the vaginal part of the patient, and then the fixing structure 5 is pushed on the medicine delivery pipe 7, so that the fixing structure 5 moves towards the protection structure 4. At this time, the corrugated protection hose 15 on the protection structure 4 will be compressed, and then the corrugated protection hose 15 will contract towards the elliptical plate 8. When a part of the medicine delivery pipe 7 is exposed, then slowly insert this part of the medicine delivery pipe 7 into the patient's vagina, and finally push the medicine in the medicine delivery pipe 7 into the patient's vagina by pushing the push-pull piston 2. Then the medicine delivery pipe 7 can be taken out from the patient's vagina, and then the medicine delivery device can be cleaned and disinfected. When disinfecting the medicine delivery device, the protection structure 4 and the fixing structure 5 need to be disassembled from the medicine delivery pipe 7. The method is to simply separate the first magnetic ring 24 and the second magnetic ring 25 on the installation structure 6, and then the protection structure 4 and the fixing structure 5 can be removed from the medicine delivery pipe 7. Finally, the push-pull piston 2 is pulled out from the medicine delivery device main body 1, and then the disassembled parts of the medicine delivery device can be cleaned and disinfected.

[0031] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention. The protection scope required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A catheter-type drug delivery device, comprising a drug delivery device body (1), wherein the drug delivery device body (1) is composed of a drug delivery device pipe (7) and an elliptical plate (8), characterized in that: A protective structure (4) is movably sleeved on the drug delivery device pipe (7), and the protective structure (4) is composed of a corrugated protective hose (15) and a mounting connection ring (16). The mounting connection ring (16) is fixedly installed on the lower end of the corrugated protective hose (15). A fixed structure (5) is also sleeved on the drug delivery device body (1), and the fixed structure (5) is movably installed on the mounting connection ring (16). The fixed structure (5) is composed of an arc-shaped clamping plate (19), a connecting slider (20), an anti-slip slider (21) and an annular spring (22). There are four arc-shaped clamping plates (19) and they are symmetrically arranged. There are four connecting sliders (20) and they are fixedly mounted on the upper ends of four arc-shaped clamping plates (19), and there are four anti-slip sliders (21) and they are fixedly mounted on the upper ends of four connecting sliders (20). The annular spring (22) is sleeved on the four arc-shaped clamping plates (19). A mounting structure (6) is mounted on the applicator pipe (7) and the corrugated protective hose (15). The mounting structure (6) is composed of a first magnetic ring (24) and a second magnetic ring (25). The second magnetic ring (25) is located below the first magnetic ring (24), and the first magnetic ring (24) and the second magnetic ring (25) can be adsorbed together.

2. A catheter-type drug delivery device according to claim 1, characterized in that: The elliptical plate (8) on the main body (1) of the applicator is sleeved on the upper side wall of the applicator pipe (7), and the applicator pipe (7) and the elliptical plate (8) are fixedly connected.

3. A catheter-type drug delivery device according to claim 2, characterized in that: A push-pull piston (2) is movably installed in the drug delivery device pipe (7), and the push-pull piston (2) is composed of a push-pull rod (9), a rubber piston (10) and a pressing plate (11). The rubber piston (10) is fixedly installed at the lower end of the push-pull rod (9), and the pressing plate (11) is fixedly installed at the upper end of the push-pull rod (9).

4. A catheter-type drug delivery device according to claim 3, characterized in that: The push-pull rod (9) and the rubber piston (10) on the push-pull piston (2) are located in the drug delivery device pipeline (7), and the pressing plate (11) is located above the drug delivery device pipeline (7).

5. A catheter-type drug delivery device according to claim 4, characterized in that: A sealing structure (3) is installed at the lower part of the drug delivery device pipe (7), and the sealing structure (3) is composed of a hand-held block (12), a sealing plate (13) and a sealing plug (14). The sealing plate (13) is fixedly installed on the upper end of the hand-held block (12), and the sealing plug (14) is fixedly installed on the upper end of the sealing plate (13).

6. A catheter-type drug delivery device according to claim 5, characterized in that: The hand-held block (12) and the sealing plate (13) on the sealing structure (3) are both located below the drug delivery device pipeline (7), and the sealing plug (14) can be inserted into the drug delivery device pipeline (7).

7. A catheter-type drug delivery device according to claim 6, characterized in that: The mounting connection ring (16) on the protection structure (4) is an annular structure. The corrugated protection hose (15) and the mounting connection ring (16) are both movably mounted on the drug delivery device pipe (7). The corrugated protection hose (15) and the mounting connection ring (16) are both located below the elliptical plate (8). Four anti-slip guide grooves (18) are symmetrically provided inside the mounting connection ring (16). Four connecting guide grooves (17) are symmetrically provided at the lower end of the mounting connection ring (16), and the connecting guide grooves (17) are connected to the anti-slip guide grooves (18).

8. A catheter-type drug delivery device according to claim 7, characterized in that: The arc-shaped clamping plate (19) on the fixed structure (5) is located below the mounting connecting ring (16), and an arc-shaped receiving groove (23) is provided on the outer wall of the arc-shaped clamping plate (19). The connecting slider (20) is slidably installed in the connecting guide groove (17) provided at the lower end of the mounting connecting ring (16). The anti-slipping slider (21) is slidably installed in the anti-slipping guide groove (18) provided in the mounting connecting ring (16). The annular spring (22) is installed in the four arc-shaped receiving grooves (23) provided on the outer walls of the four arc-shaped clamping plates (19), and the arc-shaped clamping plate (19) is tightly attached to the outer wall of the applicator pipe (7) under the elastic force of the annular spring (22).

9. A catheter-type drug delivery device according to claim 8, characterized in that: The first magnetic ring (24) and the second magnetic ring (25) on the mounting structure (6) are annular structures, the first magnetic ring (24) is fixedly mounted on the lower end of the elliptical plate (8), the second magnetic ring (25) is fixedly mounted on the upper end of the corrugated protective hose (15), and the second magnetic ring (25) is adsorbed on the lower end of the first magnetic ring (24).

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