Non-invasive endometrial dosing device
By designing a non-invasive endometrial drug delivery device, using the combined structure of the insertion tube and the dosage tube, the problems of small dosage and adhesion in the affected area are solved, and convenient and stable multiple dosing operations are achieved.
Patent Information
- Application Number
- CN202422121359.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The dosage of existing dosers is small during administration and requires multiple operations, which leads to discomfort in the patient and the affected area is prone to adhesions, making it difficult to achieve convenient dosing.
A non-invasive endometrial drug delivery device is designed, including an insertion tube, a sliding cavity, a dosage hole, a dosage tube and a fixing member. The affected area is opened by the insertion tube, and the sliding part is used to fix it. The dosage tube is extracted and sprayed with drugs, combined with a rotating ring and a screw block to improve installation stability, and achieve multiple dosages.
Non-invasive drug administration is achieved, adhesions are avoided infestations, improved the convenience and stability of drug administration operations, and reduced the patient's discomfort.
Smart Images

Figure CN223287470U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of uterine drug delivery devices, in particular to a non-invasive endometrial drug delivery device. Background Art
[0002] When women go to the hospital to treat gynecological diseases, they usually need to receive drug injections, which helps to treat the disease. During drug injection treatment, the drug is inserted into the body and administered through a drug delivery device. Currently, the drug delivery device is usually tubular and placed directly in the body. The dosage is small and requires multiple operations.
[0003] The amount of medicine administered by the drug delivery device when placed in the patient's body is small, and the drug delivery device needs to be taken out and inserted multiple times for drug delivery, which causes discomfort to the patient. In addition, the existing drug delivery device is tubular, and the patient's affected part is easily adhered, making it inconvenient to use the drug delivery device to externally support the patient's affected part for drug delivery. Therefore, those skilled in the art have provided a non-invasive endometrial drug delivery device to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the present utility model is to provide a non-invasive endometrial drug delivery device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a non-invasive endometrial drug delivery device, comprising an insertion tube, a sliding cavity is defined on the inner side of the insertion tube, a plurality of drug delivery holes are defined on the end of the insertion tube, a drug delivery tube is slidably connected to the inner side of the sliding cavity, and a plurality of evenly arranged sliding parts are connected to the outer side of the insertion tube;
[0006] A drug delivery component is installed inside the drug delivery tube, and a fixing component is installed between the drug delivery tube and the insertion tube.
[0007] Preferably: the dosing component includes a medicine storage cavity opened on the inner side of the dosing tube and close to one end, and a movable cavity is opened on the inner side of the dosing tube and located on the other side of the medicine storage cavity. A sliding rod passes through the movable cavity and the inner side of the medicine storage cavity, and one end of the sliding rod is connected to a medicine pushing block, and the sliding rod is slidably connected to the dosing tube.
[0008] Preferably, a spring is sleeved inside the movable cavity and outside the sliding rod, a pad is connected to the outside of the sliding rod, and two ends of the spring are fixedly connected to the movable cavity and the pad respectively.
[0009] Preferably: the fixing part includes a rotating ring sleeved on the outside of the dosing tube, a screw block is connected to one side of the rotating ring, a fixing groove is opened at one end of the insertion tube, a sliding ring is connected to the inside of the rotating ring, the screw block is screwed to the fixing groove, and the sliding ring is rotatably connected to the dosing tube.
[0010] Preferably, an elastic cavity is provided inside the sliding portion, a support member is connected to the inside of the elastic cavity, and the support member is fixedly connected to the elastic cavity.
[0011] Preferably, four circumferentially arranged positioning rods are installed on the other side of the drug delivery tube, and four circumferentially arranged positioning grooves are opened on the other side of the insertion tube and located on one side of the fixing groove, and the positioning rods are movably connected to the positioning grooves.
[0012] Preferably, a sealing ring is connected to one side of the medicine pushing block.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. In the present invention, an insertion tube, a sliding cavity, a drug administration hole and a drug administration tube are provided. The insertion tube is placed in the affected area. The sliding portion on the outside of the insertion tube can facilitate the insertion of the tube to open the affected area, thereby preventing the affected area from adhering and making it difficult to administer the drug. At the same time, the sliding portion can facilitate the positioning and fixing of the insertion tube. The drug administration tube is used to extract the drug and place it in the sliding cavity inside the insertion tube. The drug administration member is used to push the drug to be sprayed out through the drug administration hole at one end of the insertion tube for administration. When the dosage is insufficient, the drug administration tube is taken out, and after inhaling the drug again, it is placed in the insertion tube for multiple drug administration operations, which can effectively avoid discomfort to the patient and improve the convenience of the drug administration operation.
[0015] 2. In the present invention, by setting a medicine storage chamber, a movable chamber, a sliding rod, a medicine pushing block, a spring and a pad, the spring in the movable chamber can squeeze and push the pad, so that the sliding rod drives the medicine delivery block to fit with the medicine storage chamber, and the sliding rod drives the medicine pushing block to draw the medicine into the medicine storage chamber, so as to facilitate the medicine delivery operation of the medicine delivery tube.
[0016] 3. In the present invention, by providing a rotating ring, a screw block, a fixed groove and a sliding ring, the rotating ring can rotate on the outside of the drug delivery tube, and the rotating ring can drive the sliding ring to rotate on the inside of the drug delivery tube. The screw block on one side of the rotating ring is embedded in the fixed groove for screw installation and fixation, thereby improving the stability of installation between the drug delivery tube and the insertion tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a left-side cutaway perspective view of the overall structure of the utility model;
[0019] Figure 3 The overall structure of the utility model Figure 2 Enlarged view of point B in the middle;
[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;
[0021] Figure 5 It is a structural schematic diagram of the drug delivery tube, drug storage chamber, movable chamber, drug pushing block, backing plate, rotating ring, screw block, sliding ring and positioning rod in the overall structure of the utility model.
[0022] In the figure: 1. Insertion tube; 2. Sliding cavity; 3. Dosing hole; 4. Dosing tube; 5. Sliding part; 6. Drug storage cavity; 7. Movable cavity; 8. Sliding rod; 9. Drug pushing block; 10. Spring; 11. Pad; 12. Rotating ring; 13. Screw block; 14. Fixed groove; 15. Sliding ring; 16. Elastic cavity; 17. Support member; 18. Positioning rod; 19. Positioning groove; 20. Sealing ring. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figures 1 to 5 In an embodiment of the utility model, a non-invasive endometrial drug delivery device includes an insertion tube 1, a sliding cavity 2 is opened inside the insertion tube 1, a plurality of drug delivery holes 3 arranged circumferentially are opened at the end of the insertion tube 1, a drug delivery tube 4 is slidably connected to the inside of the sliding cavity 2, a plurality of sliding parts 5 are evenly arranged and connected to the outside of the insertion tube 1, an elastic cavity 16 is opened inside the sliding part 5, a support member 17 is connected inside the elastic cavity 16, the support member 17 is fixedly connected to the elastic cavity 16, a drug delivery member is installed inside the drug delivery tube 4, and a fixing member is installed between the drug delivery tube 4 and the insertion tube 1.
[0025] When in use, the insertion tube 1 is placed in the affected area, and the sliding part 5 on the outside of the insertion tube 1 can facilitate the insertion tube 1 to open the affected area, the elastic cavity 16 can increase the deformation degree of the sliding part 5, and the support member 17 can support the sliding part 5 to prevent the affected area from sticking and making it difficult to administer medicine. At the same time, the sliding part 5 can facilitate the limiting and fixing of the insertion tube 1, and the drug administration tube 4 is used to extract the medicine and put it into the sliding cavity 2 in the insertion tube 1. The drug administration piece is used to push the medicine to spray out the medicine through the drug administration hole 3 at one end of the insertion tube 1 for administration. When the dosage is insufficient, the drug administration tube 4 is taken out, and the medicine is inhaled again and then put into the insertion tube 1 for multiple drug administration operations, which can effectively avoid discomfort to the patient and improve the convenience of the drug administration operation.
[0026] In one embodiment, specifically, the dosing component includes a drug storage chamber 6 opened on the inner side of the dosing tube 4 and near one end, a movable chamber 7 is opened on the inner side of the dosing tube 4 and located on the other side of the drug storage chamber 6, a sliding rod 8 passes through the movable chamber 7 and the inner side of the drug storage chamber 6, one end of the sliding rod 8 is connected to a drug pushing block 9, a spring 10 is mounted on the inner side of the movable chamber 7 and located on the outer side of the sliding rod 8, a pad 11 is connected to the outer side of the sliding rod 8, a sealing ring 20 is connected to one side of the drug pushing block 9, the two ends of the spring 10 are fixedly connected to the movable chamber 7 and the pad 11 respectively, and the sliding rod 8 is slidably connected to the dosing tube 4.
[0027] Among them, the spring 10 in the movable cavity 7 can squeeze and push the pad 11, so that the sliding rod 8 drives the drug delivery block to fit with the drug storage cavity 6, and the sliding rod 8 drives the drug pushing block 9 to draw the drug into the drug storage cavity 6. The sealing ring 20 can seal the drug pushing block 9 to prevent the drug from flowing through the gap between the drug pushing block 9 and the drug storage cavity 6 and causing waste, so as to facilitate the drug delivery operation of the drug delivery tube 4.
[0028] Furthermore, the fixing part includes a rotating ring 12 which is sleeved on the outside of the dosing tube 4, a screw block 13 is connected to one side of the rotating ring 12, a fixing groove 14 is provided at one end of the insertion tube 1, a sliding ring 15 is connected to the inner side of the rotating ring 12, four circumferentially arranged positioning rods 18 are installed on the other side of the dosing tube 4, four circumferentially arranged positioning grooves 19 are provided on the other side of the insertion tube 1 and on one side of the fixing groove 14, the positioning rod 18 is movably connected to the positioning groove 19, the screw block 13 is screwed to the fixing groove 14, and the sliding ring 15 is rotatably connected to the dosing tube 4.
[0029] In one embodiment, specifically, when one end of the dosing tube 4 is in contact with one end of the insertion tube 1, the positioning rod 18 is inserted into the positioning groove 19, so that the positioning rod 18 limits and fixes the dosing tube 4, and the rotating ring 12 can rotate on the outside of the dosing tube 4. The rotating ring 12 can drive the sliding ring 15 to rotate on the inside of the dosing tube 4. The screw block 13 on one side of the rotating ring 12 is embedded in the fixing groove 14 for screw connection and fixing, thereby improving the stability of the installation between the dosing tube 4 and the insertion tube 1.
[0030] The working principle of this utility model:
[0031] First, the sliding rod 8 drives the medicine pushing block 9 to draw the medicine into the medicine storage chamber 6, and then the dosing tube 4 is inserted into the sliding cavity 2 inside the insertion tube 1. At this time, when one end of the dosing tube 4 is in contact with one end of the insertion tube 1, the positioning rod 18 is inserted into the positioning groove 19, and then the rotating ring 12 is rotated on the outside of the dosing tube 4, and then the rotating ring 12 drives the sliding ring 15 to rotate inside the dosing tube 4. At the same time, the screw block 13 on one side of the rotating ring 12 is embedded in the fixing groove 14 for screw installation and fixation, and then slowly push the sliding rod 8. At the same time, the spring 10 squeezes and pushes the pad 11, and then the pad 11 drives the medicine pushing block 9 at one end of the sliding rod 8 to push the medicine in the medicine storage chamber 6, and then the medicine pushing block 9 pushes the medicine to be sprayed out through the medicine outlet hole for medication. When the dosage is insufficient, the dosing tube 4 is taken out, and after inhaling the medicine again, it is placed in the insertion tube 1 for multiple dosing operations.
[0032] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A non-invasive endometrial drug delivery device, comprising an insertion tube (1), characterized in that: The insertion tube (1) is provided with a sliding cavity (2) on the inner side, a plurality of circumferentially arranged drug delivery holes (3) are provided on the end of the insertion tube (1), a drug delivery tube (4) is slidably connected to the inner side of the sliding cavity (2), and a plurality of evenly arranged sliding portions (5) are connected to the outer side of the insertion tube (1); A dosing piece is installed inside the dosing tube (4), and a fixing piece is installed between the dosing tube (4) and the insertion tube (1).
2. The non-invasive endometrial drug delivery device according to claim 1, characterized in that: The drug delivery device comprises a drug storage cavity (6) provided on the inner side of the drug delivery tube (4) and close to one end thereof, a movable cavity (7) provided on the inner side of the drug delivery tube (4) and located on the other side of the drug storage cavity (6), a sliding rod (8) passing through the movable cavity (7) and the inner side of the drug storage cavity (6), a drug pushing block (9) connected to one end of the sliding rod (8), and the sliding rod (8) is slidably connected to the drug delivery tube (4).
3. The non-invasive endometrial drug delivery device according to claim 2, characterized in that: A spring (10) is sleeved inside the movable cavity (7) and outside the sliding rod (8); a pad (11) is connected to the outside of the sliding rod (8); and two ends of the spring (10) are fixedly connected to the movable cavity (7) and the pad (11), respectively.
4. The non-invasive endometrial drug delivery device according to claim 2, characterized in that: The fixing member comprises a rotating ring (12) sleeved on the outside of the drug delivery tube (4), a screw block (13) is connected to one side of the rotating ring (12), a fixing groove (14) is provided at one end of the insertion tube (1), a sliding ring (15) is connected to the inside of the rotating ring (12), the screw block (13) is screwed to the fixing groove (14), and the sliding ring (15) is rotatably connected to the drug delivery tube (4).
5. The non-invasive endometrial drug delivery device according to claim 2, characterized in that: An elastic cavity (16) is provided inside the sliding portion (5), a support member (17) is connected to the inside of the elastic cavity (16), and the support member (17) is fixedly connected to the elastic cavity (16).
6. The non-invasive endometrial drug delivery device according to claim 5, characterized in that: Four circumferentially arranged positioning rods (18) are installed on the other side of the drug delivery tube (4), and four circumferentially arranged positioning grooves (19) are opened on the other side of the insertion tube (1) and located on one side of the fixing groove (14), and the positioning rods (18) are movably connected to the positioning grooves (19).
7. The non-invasive endometrial drug delivery device according to claim 3, characterized in that: One side of the medicine pushing block (9) is connected with a sealing ring (20).