Thoracolumbar fusion cage fixing structure with anti-slipping function

Abstract

The utility model discloses a thoracolumbar fusion cage fixing structure with an anti-slip function, which belongs to the technical field of thoracolumbar fusion cages, and comprises a thoracolumbar fusion cage, one side of the thoracolumbar fusion cage is fixedly connected with a connecting plate, the connecting plate is provided with a movable groove, a sliding block is arranged in the movable groove in a sliding manner, and the sliding block is connected with the thoracolumbar fusion cage. A sliding block is arranged on the base, a movable plate is connected through the sliding block, extension plates are arranged on the two sides of the movable plate, supports are arranged at the ends of the extension plates, a groove is further formed in the surface of the movable plate, and a connecting hole is formed in the groove; according to the thoracolumbar fusion cage, the support and the movable block are arranged, the thoracolumbar fusion cage is limited and fixed multiple times, meanwhile, the protruding blocks evenly arranged on the thoracolumbar fusion cage further avoid the slipping phenomenon of the thoracolumbar fusion cage, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of thoracolumbar fusion devices, in particular to a thoracolumbar fusion device fixing structure with an anti-slip function. Background Art

[0002] A thoracolumbar fusion cage is a device used in thoracolumbar fusion surgery. Its main purpose is to promote bone healing and spinal stability by fixing and stabilizing the vertebrae. This fusion cage can be used with an internal fixation device to enhance stability and reduce the risk of dislocation when the fusion cage is used alone.

[0003] The thoracolumbar fusion device may slip due to various factors such as the patient's own conditions, surgical operation, fusion device selection and postoperative rehabilitation. For this reason, we propose a thoracolumbar fusion device fixation structure with anti-slip function. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a thoracolumbar fusion device fixing structure with an anti-slip function, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thoracolumbar fusion device fixing structure with an anti-slip function, comprising a thoracolumbar fusion device, one side of the thoracolumbar fusion device is fixedly connected to a connecting plate, a movable groove is provided on the connecting plate, a slider is slidably provided in the movable groove, and a movable plate is connected through the slider, extension plates are provided on both sides of the movable plate, brackets are provided at the ends of the extension plates, a groove is also provided on the surface of the movable plate, and a connecting hole is provided inside the groove.

[0006] In a preferred example, the utility model can be further configured as follows: a through groove is opened in the middle of the movable plate, a movable block is slidably arranged in the through groove, threaded holes are evenly opened on the surface of the movable block, and a limiting screw is also arranged on the surface of the movable plate, and the limiting screw extends to the inside of the movable plate and is adapted to the threaded hole.

[0007] In a preferred example, the utility model can be further configured as follows: the interior of the movable groove is evenly provided with clamping grooves, and the bottom end of the sliding block is also provided with a movable part.

[0008] In a preferred example, the utility model can be further configured as follows: the movable part includes a cavity fixedly opened on the lower surface of the slider, a spring is fixedly installed at the bottom of the cavity, and a clamping block is fixedly connected through the spring, and the clamping block is arranged in a trapezoidal shape.

[0009] In a preferred example, the utility model can be further configured as follows: the outer surface of the thoracolumbar fusion device is evenly provided with bumps, and the intervals between the bumps are consistent.

[0010] In a preferred example, the utility model can be further configured as follows: the surface of the thoracolumbar fusion device is provided with openings, and the size of the openings is adapted to the wound of the patient.

[0011] Beneficial effects of the utility model:

[0012] The utility model performs multiple position limiting fixation on the thoracolumbar fusion device by arranging the bracket and the movable block, and the convex blocks evenly arranged on the thoracolumbar fusion device further avoid the occurrence of the slippage phenomenon, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of A of the utility model;

[0016] Figure 4 This is a schematic diagram of the slider structure of the utility model.

[0017] In the figure: 1. thoracolumbar fusion device; 2. connecting plate; 3. movable groove; 4. clamping slot; 5. movable plate; 6. slider; 7. groove; 8. connecting hole; 9. extension plate; 10. bracket; 11. cavity; 12. clamping block; 13. spring; 14. limiting screw; 15. movable block; 16. threaded hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1

[0020] See also Figure 1-Figure 4A thoracolumbar fusion device fixing structure with an anti-slip function comprises a thoracolumbar fusion device 1, a connecting plate 2 is fixedly connected to one side of the thoracolumbar fusion device 1, a movable groove 3 is provided on the connecting plate 2, a slider 6 is slidably provided in the movable groove 3, and a movable plate 5 is connected through the slider 6, extension plates 9 are provided on both sides of the movable plate 5, brackets 10 are provided at the ends of the extension plates 9, a groove 7 is also provided on the surface of the movable plate 5, and a connecting hole 8 is provided inside the groove 7.

[0021] A through groove is provided in the middle of the movable plate 5, in which a movable block 15 is slidably arranged. Threaded holes 16 are evenly provided on the surface of the movable block 15. A limiting screw 14 is also provided on the surface of the movable plate 5. The limiting screw 14 extends to the inside of the movable plate 5 and is adapted to the threaded hole 16.

[0022] The movable groove 3 is evenly provided with card slots 4, and the bottom end of the slider 6 is also provided with a movable part. The movable part includes a cavity 11 fixedly opened on the lower surface of the slider 6, a spring 13 is fixedly installed at the bottom of the cavity 11, and a card block 12 is fixedly connected through the spring 13, and the card block 12 is arranged in a trapezoidal shape.

[0023] The outer surface of the thoracolumbar fusion cage 1 is evenly provided with bumps, and the intervals between the bumps are consistent. The surface of the thoracolumbar fusion cage 1 is provided with openings, and the size of the openings is adapted to the wound of the patient.

[0024] Working principle: When in use, the device is connected to an external surgical traction device through the connecting hole 8, thereby driving the movable plate 5 to move, and then driving the slider 6 to move to one side. At the same time, the block 12 and the spring 13 arranged at the bottom of the slider 6 move in the movable groove 3. Through the cooperation of the block 12 and the groove 4, the movable plate 5 is fixed, and supported by the extension plates 9 arranged on both sides of the movable plate 5 and the bracket 10 connected to the end of the extension plate 9, further ensuring anti-slip, and adjusting the position of the movable block 15 by the limiting screw 14 to achieve secondary support limiting.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A thoracolumbar fusion device fixing structure with anti-slip function, comprising a thoracolumbar fusion device (1), characterized in that: A connecting plate (2) is fixedly connected to one side of the thoracolumbar fusion device (1); a movable groove (3) is provided on the connecting plate (2); a slider (6) is slidably provided in the movable groove (3); and a movable plate (5) is connected via the slider (6); extension plates (9) are provided on both sides of the movable plate (5); brackets (10) are provided at the ends of the extension plates (9); a groove (7) is further provided on the surface of the movable plate (5); and a connecting hole (8) is provided inside the groove (7).

2. A thoracolumbar fusion device fixing structure with anti-slip function according to claim 1, characterized in that: A through slot is provided in the middle of the movable plate (5), a movable block (15) is slidably arranged in the through slot, threaded holes (16) are evenly arranged on the surface of the movable block (15), and a limiting screw (14) is also provided on the surface of the movable plate (5), the limiting screw (14) extends to the inside of the movable plate (5) and is adapted to fit the threaded hole (16).

3. The thoracolumbar fusion device fixing structure with anti-slip function according to claim 1, characterized in that: The movable groove (3) is evenly provided with locking grooves (4), and the bottom end of the sliding block (6) is also provided with a movable part.

4. The thoracolumbar fusion device fixing structure with anti-slip function according to claim 3, characterized in that: The movable part comprises a cavity (11) fixedly opened on the lower surface of the slider (6); a spring (13) is fixedly installed at the bottom of the cavity (11); and a clamping block (12) is fixedly connected via the spring (13); the clamping block (12) is arranged in a trapezoidal shape.

5. The thoracolumbar fusion device fixing structure with anti-slip function according to claim 1, characterized in that: The outer surface of the thoracolumbar fusion device (1) is evenly provided with bumps, and the intervals between the bumps are uniform.

6. A thoracolumbar fusion device fixing structure with anti-slip function according to claim 5, characterized in that: The surface of the thoracolumbar fusion device (1) is provided with openings, the size of which is adapted to the wound of the patient.

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