Cardiovascular guide wire intervention auxiliary device

Abstract

This utility model relates to the technical field of guidewire interventional auxiliary devices, specifically a cardiovascular guidewire interventional auxiliary device, comprising: a first disc and a second disc. A fixing clamp mounting groove is formed on the surface of the first disc, and a fixing clamp is fixed in the fixing clamp mounting groove. The advantages are: the fixing clamp is fixed in the fixing clamp mounting groove, and a clamp mounting seat is fixed in the clamp mounting groove. When the clamp is fully retracted into the clamp groove, leaving a gap between the rubber pad and the guidewire, the guidewire can be easily pulled out more from the first and second discs for use. When the guidewire is inserted to the target position, the clamp moves downward, thereby clamping the guidewire between the clamp and the fixing clamp, thus achieving a stable fixation of the guidewire. Furthermore, no dynamic friction occurs between the guidewire, the fixing clamp, and the rubber pad, thus avoiding wear and allowing for long-term use.

Description

Technical Field

[0001] This utility model relates to the technical field of guidewire interventional auxiliary devices, specifically a guidewire interventional auxiliary device for cardiovascular medicine. Background Technology

[0002] Guidewires are a key instrument in interventional cardiovascular procedures. They are mainly used to guide other interventional devices (such as catheters, stents, balloons, etc.) into the target lesion site within the blood vessel. Cardiovascular guidewire interventional auxiliary devices mainly include guidewire delivery systems, guidewire exchange devices, and guidewire fixators. Among them, guidewire fixators are used to fix the guidewire, prevent it from shifting or slipping during the operation, and ensure the stability of the operation.

[0003] In the prior art, guidewire fixation devices are usually composed of two discs joined together, with the guidewire wound between the two discs. An elastic retainer is fixed on the inner wall of one of the discs, and a groove is formed on the surface of the retainer. During the operation, after the guidewire is inserted into the lesion site of the blood vessel, the guidewire is locked into the groove, thereby fixing the guidewire. This type of guidewire fixation device has a simple structure and low cost.

[0004] However, the existing guide wire retainer fixes fix the guide wire by inserting it into a slot. If the slot diameter is too small, the guide wire will be difficult to insert. If the slot diameter is too large, the fixation will not be stable enough. Moreover, the inner wall of the slot will be worn by the guide wire during long-term repeated use, which will cause the slot diameter to increase and eventually make it difficult to fix the guide wire. Utility Model Content

[0005] The purpose of this invention is to provide a cardiovascular guidewire interventional auxiliary device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cardiovascular guidewire interventional auxiliary device, comprising: a first disc and a second disc, the first disc and the second disc being installed together by screws, a fixing clamp mounting groove being formed on the surface of the first disc, a fixing clamp being fixed in the fixing clamp mounting groove, a clamp mounting groove being formed on the surface of the second disc, a clamp mounting seat being fixed in the clamp mounting groove, a clamp mounting seat being formed at the bottom end of the clamp mounting seat, and a clamp being movably inserted into the clamp mounting seat.

[0007] Preferably, a guide wire shaft is rotatably connected to the surface of the second disk, one end of the guide wire is fixed to the surface of the guide wire shaft, and a handle is fixed to the surface of the guide wire shaft.

[0008] Preferably, a spring plate is fixed on the inner wall of the clamping plate groove, a telescopic rod is movably inserted into the surface of the spring plate, a wedge block is fixed at the top of the telescopic rod, and the clamping plate is fixed at the bottom of the telescopic rod.

[0009] Preferably, the top of the wedge block is provided with a bevel.

[0010] Preferably, a rubber pad is fixed to the bottom end of the clamping plate.

[0011] Preferably, a first spring is sleeved on the telescopic rod, with the top end of the first spring abutting against the bottom end of the wedge block and the bottom end of the first spring abutting against the top end of the spring plate.

[0012] Preferably, the clamp mounting base has an inverted "L" shaped rod structure, and a push plate groove is provided in the crossbar of the clamp mounting base, with a push plate slidably connected in the push plate groove.

[0013] Preferably, a second spring is fixed between one end of the push plate and the inner wall of the push plate groove.

[0014] Preferably, a lever groove is provided on the surface of the clamp mounting base, and a lever is slidably connected in the lever groove. One end of the lever extends into the push plate groove and is fixed on the surface of the push plate, while the other end of the lever extends out from the lever groove.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] The cardiovascular guidewire interventional auxiliary device proposed in this utility model has a first disc and a second disc installed with screws. One end of the guidewire is fixed to the shaft of the guidewire shaft, and the other end of the guidewire extends out from between the first disc and the second disc through the mounting groove of the fixed clamping seat and the mounting groove of the clamping plate seat. A fixed clamping seat is fixed in the mounting groove of the fixed clamping seat, and a clamping plate seat is fixed in the mounting groove of the clamping plate seat. When the clamping plate is fully retracted into the clamping plate groove, leaving a gap between the rubber pad and the guidewire, the guidewire can be easily pulled out more from the first disc and the second disc for use. When the guidewire is inserted to the target position, the clamping plate moves downward, thereby clamping the guidewire between the clamping plate and the fixed clamping seat, thus achieving a stable fixation of the guidewire. Moreover, there is no dynamic friction between the guidewire, the fixed clamping seat, and the rubber pad, which avoids wear and allows for long-term use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the present invention.

[0019] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. First disc; 2. Second disc; 3. Fixed clamping seat mounting groove; 4. Fixed clamping seat; 5. Clamping plate seat mounting groove; 6. Clamping plate mounting seat; 7. Guide wire shaft; 8. Clamping plate groove; 9. Spring plate; 10. Telescopic rod; 11. Wedge block; 12. First spring; 13. Clamping plate; 14. Rubber pad; 15. Push plate groove; 16. Second spring; 17. Push plate; 18. Lever groove; 19. Lever. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Example 1: Please refer to Figures 1 to 3 This utility model provides a technical solution: a cardiovascular guidewire interventional auxiliary device, comprising: a first disc 1 and a second disc 2, which are installed together by screws. The surface of the first disc 1 is provided with a fixing clamping seat mounting groove 3, and a fixing clamping seat 4 is fixed in the fixing clamping seat mounting groove 3. The surface of the second disc 2 is provided with a clamping plate mounting groove 5, and a clamping plate mounting seat 6 is fixed in the clamping plate mounting groove 5. The bottom end of the clamping plate mounting seat 6 is provided with a clamping plate groove 8, and a clamping plate 13 is movably inserted into the clamping plate groove 8. A guidewire shaft 7 is rotatably connected to the surface of the second disc 2. One end of the guidewire is fixed to the surface of the guidewire shaft 7. A handle is fixed to the surface of the guidewire shaft 7. A spring plate 9 is fixed to the inner wall of the clamping plate groove 8. A telescopic rod 10 is movably inserted into the surface of the spring plate 9. A wedge block 11 is fixed to the top end of the telescopic rod 10. The clamping plate 13 is fixed to the bottom end of the telescopic rod 10, and a rubber pad 14 is fixed to the bottom end of the clamping plate 13.

[0023] In actual use, the first disc 1 and the second disc 2 are installed with screws. One end of the guide wire is fixed to the shaft of the guide wire shaft 7, and the other end of the guide wire extends out from between the first disc 1 and the second disc 2 through the mounting groove 3 of the fixed clamping seat and the mounting groove 5 of the clamping plate seat. The fixed clamping seat 4 is fixed in the mounting groove 3, and the clamping plate seat 6 is fixed in the mounting groove 5. When the clamping plate 13 is fully retracted into the clamping plate groove 8, leaving a gap between the rubber pad 14 and the guide wire, the guide wire can be easily pulled out more from the first disc 1 and the second disc 2 for use. When the guide wire is inserted to the target position, the clamping plate 13 is moved downward to clamp the guide wire between the clamping plate 13 and the fixed clamping seat 4, thus achieving a stable fixation of the guide wire. Moreover, there is no dynamic friction between the guide wire and the fixed clamping seat 4 and the rubber pad 14, which avoids wear and allows for long-term use.

[0024] Example 2: Based on Example 1, in order to control the movement of the clamping plate 13, the top of the wedge block 11 is provided with an inclined surface, the telescopic rod 10 is fitted with a first spring 12, the top of the first spring 12 abuts against the bottom of the wedge block 11, the bottom of the first spring 12 abuts against the top of the spring plate 9, the clamping plate mounting seat 6 has an inverted "L" shaped rod structure, the crossbar of the clamping plate mounting seat 6 has a push plate groove 15, the push plate groove 15 is slidably connected to the push plate groove 15, one end of the push plate 17 is fixed between the inner wall of the push plate groove 15 and the second spring 16, the surface of the clamping plate mounting seat 6 has a lever groove 18, the lever groove 18 is slidably connected to the lever 19, one end of the lever 19 extends into the push plate groove 15 and is fixed on the surface of the push plate 17, and the other end of the lever 19 extends out from the lever groove 18.

[0025] When the clamping plate 13 needs to move upward, the lever 19 is activated. The lever 19 moves in the lever groove 18, causing the push plate 17 to move and retract completely from the clamping plate groove 8 into the push plate groove 15. This compresses the second spring 16. At the same time, the first spring 12, which is compressed by the spring plate 9 and the wedge block 11, pushes the wedge block 11 upward under its own elasticity. The wedge block 11 drives the clamping plate 13 upward through the telescopic rod 10. When the clamping plate 13 needs to move downward, the lever 19 is released. The second spring 16 pushes the push plate 17 into the clamping plate groove 8 under its own elasticity. The push plate 17 slides over the inclined surface of the wedge block 11, pushing the wedge block 11 downward. The wedge block 11 then moves the clamping plate 13 downward through the telescopic rod 10.

[0026] In actual use, the first disc 1 and the second disc 2 are installed with screws. One end of the guide wire is fixed to the shaft of the guide wire shaft 7, and the other end of the guide wire extends out from between the first disc 1 and the second disc 2 through the mounting groove 3 of the fixed clamping seat and the mounting groove 5 of the clamping plate seat. The fixed clamping seat 4 is fixed in the mounting groove 3, and the clamping plate seat 6 is fixed in the mounting groove 5. When the clamping plate 13 is fully retracted into the clamping plate groove 8, leaving a gap between the rubber pad 14 and the guide wire, the guide wire can be easily pulled out more from the first disc 1 and the second disc 2 for use. After the guide wire is inserted into the target position, the clamping plate 13 is moved downwards, thereby clamping the guide wire between the clamping plate 13 and the fixed clamping seat 4, thus achieving a stable fixation of the guide wire, and there will be no movement between the guide wire and the fixed clamping seat 4 and the rubber pad 14. Friction prevents wear and tear, allowing for long-term use. When the clamping plate 13 needs to move upward, the lever 19 is activated. The lever 19 moves in the lever groove 18, causing the push plate 17 to move and retract completely from the clamping plate groove 8 into the push plate groove 15. This compresses the second spring 16. Simultaneously, the first spring 12, compressed by the spring plate 9 and the wedge block 11, pushes the wedge block 11 upward under its own elasticity. The wedge block 11 drives the clamping plate 13 upward through the telescopic rod 10. When the clamping plate 13 needs to move downward, simply release the lever 19. The second spring 16 pushes the push plate 17 into the clamping plate groove 8 under its own elasticity. The push plate 17 slides over the inclined surface of the wedge block 11, pushing the wedge block 11 downward. The wedge block 11 then moves the clamping plate 13 downward through the telescopic rod 10.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cardiovascular guidewire interventional assist device, comprising: The first disc (1) and the second disc (2) are installed together by screws. The first disc (1) has a fixed clamping seat mounting groove (3) on its surface, and a fixed clamping seat (4) is fixed in the fixed clamping seat mounting groove (3). The second disc (2) has a clamping plate mounting groove (5) on its surface, and a clamping plate mounting seat (6) is fixed in the clamping plate mounting groove (5). A clamping plate groove (8) is opened at the bottom end of the clamping plate mounting seat (6), and a clamping plate (13) is movably inserted into the clamping plate groove (8).

2. The cardiovascular guidewire interventional auxiliary device according to claim 1, characterized in that: A guide wire shaft (7) is rotatably connected to the surface of the second disk (2), one end of the guide wire is fixed to the surface of the guide wire shaft (7), and a handle is fixed to the surface of the guide wire shaft (7).

3. The cardiovascular guidewire interventional auxiliary device according to claim 1, characterized in that: A spring plate (9) is fixed on the inner wall of the clamping groove (8), and a telescopic rod (10) is movably inserted on the surface of the spring plate (9). A wedge block (11) is fixed at the top of the telescopic rod (10), and a clamping plate (13) is fixed at the bottom of the telescopic rod (10).

4. The cardiovascular guidewire interventional auxiliary device according to claim 3, characterized in that: The top of the wedge block (11) is provided with an inclined surface.

5. The cardiovascular guidewire interventional auxiliary device according to claim 3, characterized in that: A rubber pad (14) is fixed to the bottom end of the clamp (13).

6. The cardiovascular guidewire interventional auxiliary device according to claim 3, characterized in that: The telescopic rod (10) is fitted with a first spring (12), the top end of the first spring (12) abuts against the bottom end of the wedge block (11), and the bottom end of the first spring (12) abuts against the top end of the spring plate (9).

7. The cardiovascular guidewire interventional auxiliary device according to claim 3, characterized in that: The clamp mounting base (6) has an inverted "L" shaped rod structure. A push plate groove (15) is provided in the crossbar of the clamp mounting base (6), and a push plate (17) is slidably connected in the push plate groove (15).

8. The cardiovascular guidewire interventional auxiliary device according to claim 7, characterized in that: A second spring (16) is fixed between one end of the push plate (17) and the inner wall of the push plate groove (15).

9. A cardiovascular guidewire interventional auxiliary device according to claim 8, characterized in that: The clamp mounting base (6) has a lever groove (18) on its surface. A lever (19) is slidably connected in the lever groove (18). One end of the lever (19) extends into the push plate groove (15) and is fixed on the surface of the push plate (17). The other end of the lever (19) extends out from the lever groove (18).

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