Novel embolism implanting device
By designing the auxiliary casing and guide structure in the peripheral embolized spring coil implantation device, the push wire and the spring coil move simultaneously, solving the problem of inaccurate implantation in the prior art, and achieving accurate and controllable spring coil implantation Input and release improves the safety of the equipment and the convenience of installation.
Patent Information
- Application Number
- CN202420242402.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The existing peripheral embolized spring coils cannot be accurately positioned during the implantation process, and are prone to unexpected implantation, because the spring coil and guidewire are independent objects, cannot be withdrawn and poorly controlled.
A new type of embolization device is designed, including auxiliary sleeves, guide slides, guide slides, clamping seats, connectors, limiting shrapnel and conical grooves, through the cooperation of these structures, the push wire and spring coil can be Move synchronously and release the coil when reaching a specific position for accurate and controllable implantation and evacuation.
Accurate and controlled implantation and release of the spring coil is achieved, avoiding unexpected implantation, and the structure is simple and easy to install and combine, and improving sealing performance.
Smart Images

Figure CN222172188U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical instruments, in particular to a novel embolism implantation device. Background Art
[0002] Peripheral embolization coils are required for the treatment of peripheral aneurysms. Currently, most peripheral embolization coil products on the market are free coils. When the coils are implanted in the patient's body, a delivery guide wire is required to deliver the coils to the lesion site. In this process, the delivery guide wire and the coils are two independent objects. The implantation is completed by pushing and squeezing the coils with the guide wire. The coils cannot be withdrawn during the delivery process and cannot be accurately positioned during implantation, making the coils uncontrollable during implantation and prone to unexpected implantation.
[0003] In order to solve the above problems, a new embolization implantation device is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a novel embolic implantation device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel embolization implantation device, comprising an auxiliary sleeve, guide grooves are provided on both sides of the inner wall of the auxiliary sleeve, guide slide blocks are slidably arranged inside the two guide grooves, a clamping seat is fixedly arranged between the two guide slide blocks, a connecting piece is clamped inside the clamping seat, a spring coil is fixedly arranged on one side of the connecting piece, placement grooves are provided on both sides of the inner wall of the connecting piece, limiting spring sheets are fixedly arranged inside the two placement grooves, limiting grooves are provided on both sides of the connecting piece, a conical groove is provided in the middle part of the clamping seat, a conical block is provided inside the conical groove, a push wire is fixedly connected to one end of the conical block, a sealing cover is threadedly arranged on one end of the auxiliary sleeve, and the push wire extends to the outside world away from one end of the conical block.
[0006] The two limiting spring sheets are respectively engaged with the two limiting grooves to limit the connecting piece in the clamping seat, thereby limiting the spring coil, and then the push wire and the spring coil can move synchronously through the coordinated arrangement of the tapered groove, the tapered block, the clamping seat and the connecting piece, and then the clamping seat, the connecting piece, the spring coil and other structures are placed in the auxiliary sleeve, and the push wire is pushed to drive the spring coil to move until the two guide sliders are respectively limited by the two limiting blocks, and the force of the push wire and the tapered block on the connecting piece is greater than the force of the two limiting spring sheets on the connecting piece, the two limiting spring sheets will be compressed into the placement groove, so that the connecting piece is separated from the clamping seat, thereby facilitating the release of the spring coil, which can be accurately controlled, has a simple structure, and is easy to install and assemble.
[0007] Preferably, a sealing gasket is provided between the auxiliary sleeve and the sealing cover, and the sealing performance of the device can be improved by providing the sealing gasket.
[0008] Preferably, the connection between the auxiliary sleeve and the sealing cover is externally threaded, and the connection between the sealing cover and the auxiliary sleeve is provided with internal threads, and the internal threads and the external threads are arranged correspondingly. The matching arrangement of the internal threads and the external threads facilitates the sealing cover to be fixed to the end of the auxiliary sleeve, thereby sealing the auxiliary sleeve to prevent air from entering the auxiliary sleeve.
[0009] Preferably, a limit block is fixedly provided at one end of the inner side of the two guide slots, and the two limit blocks are respectively arranged corresponding to the two guide sliding blocks, and the two limit blocks are respectively limited by the two guide sliding blocks, thereby limiting the clamping seat.
[0010] Preferably, the two limiting spring sheets are respectively engaged with the two limiting grooves, and the two limiting spring sheets are respectively engaged with the two limiting grooves to facilitate limiting the connecting member in the clamping seat, thereby limiting the spring coil.
[0011] Preferably, a through hole is opened in the middle of the sealing cover, and the through hole is interlaced with the push wire. A sealing ring is fixedly provided at the connection between the through hole and the push wire, and the sealing performance of the device can be improved by the provision of the sealing ring.
[0012] Preferably, the conical block is arranged corresponding to the connecting piece, and the arrangement of the conical block facilitates pushing the connecting piece to move.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The two limiting spring sheets are respectively engaged with the two limiting grooves to limit the connecting piece in the clamping seat, thereby limiting the spring coil, and then the push wire and the spring coil can move synchronously through the coordinated arrangement of the tapered groove, the tapered block, the clamping seat and the connecting piece, and then the clamping seat, the connecting piece, the spring coil and other structures are placed in the auxiliary sleeve, and the push wire is pushed to drive the spring coil to move until the two guide sliders are respectively limited by the two limiting blocks, and the force of the push wire and the tapered block on the connecting piece is greater than the force of the two limiting spring sheets on the connecting piece, the two limiting spring sheets will be compressed into the placement groove, so that the connecting piece is separated from the clamping seat, thereby facilitating the release of the spring coil, which can be accurately controlled, has a simple structure, and is easy to install and assemble. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the utility model;
[0016] Figure 2 It is a front cross-sectional view of the utility model;
[0017] Figure 3 It is an enlarged view of part A of the utility model;
[0018] Figure 4 It is an enlarged view of part B of the utility model;
[0019] Figure 5 It is an enlarged view of the local C of the utility model.
[0020] In the figure: 1. Auxiliary sleeve; 2. Guide slide groove; 3. Push wire; 4. Spring ring; 5. Guide slider; 6. Clamping seat; 7. Connector; 8. Placement groove; 9. Limit spring piece; 10. Limit groove; 11. Limit block; 12. Conical groove; 13. Conical block; 14. Sealing cover; 15. Sealing gasket; 16. Through hole; 17. Sealing ring; 18. Internal thread; 19. External thread. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0022] See also Figure 1-5 The utility model provides a novel embolic implantation device, including an auxiliary sleeve 1, guide slots 2 are provided on both sides of the inner wall of the auxiliary sleeve 1, guide slide blocks 5 are slidably provided inside the two guide slots 2, a clamping seat 6 is fixedly provided between the two guide slide blocks 5, a connecting piece 7 is provided inside the clamping seat 6, a spring coil 4 is fixedly provided on one side of the connecting piece 7, placement grooves 8 are provided on both sides of the inner wall of the connecting piece 7, limiting spring sheets 9 are fixedly provided inside the two placement grooves 8, limiting slots 10 are provided on both sides of the connecting piece 7, a conical groove 12 is provided in the middle of the clamping seat 6, a conical block 13 is provided inside the conical groove 12, a push wire 3 is fixedly connected to one end of the conical block 13, a sealing cover 14 is threadedly provided at one end of the auxiliary sleeve 1, and the end of the push wire 3 away from the conical block 13 extends to the outside world, through two limiting The limiting engagement of the positioning spring pieces 9 with the two limiting grooves 10 is convenient for limiting the connecting piece 7 in the clamping seat 6, and then limiting the spring coil 4, and then the pushing wire 3 and the spring coil 4 can move synchronously through the coordinated arrangement of the conical groove 12, the conical block 13, the clamping seat 6 and the connecting piece 7, and then the clamping seat 6, the connecting piece 7 and the spring coil 4 are placed in the auxiliary sleeve 1, and the pushing wire 3 is pushed to drive the spring coil 4 to move until the two guide sliders 5 are respectively limited by the two limiting blocks 11, and the force of the pushing wire 3 and the conical block 13 on the connecting piece 7 is greater than the force of the two limiting spring pieces 9 on the connecting piece 7, the two limiting spring pieces 9 will be compressed into the placement groove 8, so that the connecting piece 7 is separated from the clamping seat 6, and then the spring coil 4 is released, which can be accurately controlled, and has a simple structure and is easy to install and assemble.
[0023] A sealing gasket 15 is provided between the auxiliary sleeve 1 and the sealing cover 14 . The provision of the sealing gasket 15 can improve the sealing performance of the device.
[0024] An external thread 19 is provided at the connection between the auxiliary sleeve 1 and the sealing cover 14, and an internal thread 18 is provided at the connection between the sealing cover 14 and the auxiliary sleeve 1. The internal thread 18 and the external thread 19 are arranged correspondingly. The matching arrangement of the internal thread 18 and the external thread 19 facilitates fixing the sealing cover 14 to the end of the auxiliary sleeve 1, thereby sealing the auxiliary sleeve 1 to prevent air from entering the auxiliary sleeve 1.
[0025] A limit block 11 is fixedly provided at one end of the inner side of the two guide slots 2. The two limit blocks 11 are respectively provided corresponding to the two guide sliders 5. The two limit blocks 11 are respectively limited by the two guide sliders 5, thereby limiting the clamping seat 6.
[0026] The two limiting spring pieces 9 are respectively engaged with the two limiting grooves 10 , and the two limiting spring pieces 9 are respectively engaged with the two limiting grooves 10 , so as to limit the connecting member 7 in the clamping seat 6 , thereby limiting the spring coil 4 .
[0027] A through hole 16 is provided in the middle of the sealing cover 14, and the through hole 16 is interlaced with the push wire 3. A sealing ring 17 is fixedly provided at the connection between the through hole 16 and the push wire 3, and the sealing performance of the device can be improved by the provision of the sealing ring 17.
[0028] The conical block 13 is arranged corresponding to the connecting member 7 , and the arrangement of the conical block 13 facilitates pushing the connecting member 7 to move.
[0029] When the embodiment of the present application is in use: the two limiting spring sheets 9 are respectively engaged with the two limiting grooves 10 to facilitate the limiting of the connecting member 7 in the clamping seat 6, thereby limiting the spring coil 4, and then the conical groove 12, the conical block 13, the clamping seat 6 and the connecting member 7 are matched to enable the push wire 3 and the spring coil 4 to move synchronously, and then the clamping seat 6, the connecting member 7 and the spring coil 4 are placed in the auxiliary sleeve 1, and the push wire 3 is pushed to drive the spring coil 4 to move until the two guide sliders 5 are respectively limited by the two limiting blocks 11, and the force of the push wire 3 and the conical block 13 on the connecting member 7 is greater than the force of the two limiting spring sheets 9 on the connecting member 7, the two limiting spring sheets 9 will be compressed into the placement groove 8, so that the connecting member 7 is separated from the clamping seat 6, thereby facilitating the release of the spring coil 4, which can be accurately controlled, has a simple structure, and is easy to install and assemble.
[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A novel embolic implantation device, comprising an auxiliary sleeve (1), Features: Guide grooves (2) are provided on both sides of the inner wall of the auxiliary sleeve (1), guide slide blocks (5) are slidably arranged inside the two guide grooves (2), a clamping seat (6) is fixedly arranged between the two guide slide blocks (5), a connecting piece (7) is clamped inside the clamping seat (6), a spring ring (4) is fixedly arranged on one side of the connecting piece (7), placement grooves (8) are provided on both sides of the inner wall of the connecting piece (7), limiting spring sheets (9) are fixedly arranged inside the two placement grooves (8), and limiting grooves (10) are provided on both sides of the connecting piece (7), a conical groove (12) is provided in the middle of the clamping seat (6), a conical block (13) is provided inside the conical groove (12), one end of the conical block (13) is fixedly connected with a push wire (3), a sealing cover (14) is threadedly arranged on one end of the auxiliary sleeve (1), and the end of the push wire (3) away from the conical block (13) extends to the outside.
2. A novel embolic implantation device according to claim 1, Features: A sealing gasket (15) is provided between the auxiliary sleeve (1) and the sealing cover (14).
3. A novel embolic implantation device according to claim 1, Features: The connection between the auxiliary sleeve (1) and the sealing cover (14) is provided with an external thread (19), and the connection between the sealing cover (14) and the auxiliary sleeve (1) is provided with an internal thread (18), and the internal thread (18) and the external thread (19) are arranged correspondingly.
4. A novel embolic implantation device according to claim 1, Features: A limiting block (11) is fixedly arranged at one end of the inner side of the two guide slide grooves (2), and the two limiting blocks (11) are respectively arranged corresponding to the two guide sliding blocks (5).
5. A novel embolic implantation device according to claim 1, Features: The two limiting spring pieces (9) are respectively engaged and connected with the two limiting grooves (10).
6. A novel embolic implantation device according to claim 1, Features: A through hole (16) is provided in the middle of the sealing cover (14), the through hole (16) is interlaced with the push wire (3), and a sealing ring (17) is fixedly provided at the connection between the through hole (16) and the push wire (3).
7. A novel embolic implantation device according to claim 1, Features: The conical block (13) is arranged corresponding to the connecting piece (7).
