Titanium mesh type internal fixation system for anterior cervical surgery

By introducing protective sleeves, connecting frames, reinforcing ribs and slide grooves into the titanium mesh anterior cervical spine surgical internal fixation system, the problems of unstable fixation and non-adjustable height of the titanium cage are solved, more stable fixation and flexible height adjustment are achieved, and postoperative stability and safety are enhanced.

CN223392519UActive Publication Date: 2025-09-30SHUANGYANG MEDICAL INSTR SUZHOU
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Patent Information

Application Number
CN202422448712.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-09-30
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

The existing titanium cage fixation is not strong enough, especially when the patient's neck moves after surgery, there are problems with the titanium cage loosening and displacement, and the fixation position cannot be adjusted according to the height of the titanium mesh.

Method used

The structural design adopts protective sleeve, connecting frame, reinforcing ribs, arc-shaped fixing plate, slide groove and slider. The overall strength of the titanium mesh is enhanced by reinforcing ribs and arc-shaped fixing plate, slide groove and slider are set to achieve height adjustment, and an extension plate is set on the fixing plate to enhance the fixation stability.

Benefits of technology

It improves the stability and toughness of the titanium mesh fixation system, prevents the titanium cage from loosening, and can adjust the fixation position as needed, thereby enhancing postoperative stability and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a titanium mesh style cervical vertebra anterior approach operation internal fixation system, including protective cover, connecting frame, first mounting groove, second mounting groove and fixed plate, protective cover bottom sleeve is connected with connecting frame top end, be equipped with a plurality of equidistant reinforcing rib between connecting frame, the outside of connecting frame is equipped with first mounting frame, the outside of connecting frame is equipped with second mounting groove, the fixed plate is equipped with second mounting groove, the fixed plate is equipped with second mounting groove. Second mounting frames are arranged on the inner sides of the connecting frames, first titanium meshes are arranged between the first mounting frames, second titanium meshes are arranged between the second mounting frames, sliding blocks are fixedly connected to the two sides of the connecting frames through fixing threaded rods, sliding grooves are formed in the outer walls of the fixing plates, and the interiors of the sliding grooves are fixedly connected to the middles of the sliding blocks. Reinforcing ribs penetrate through the interiors of the two connecting frames and penetrate through the arc-shaped fixing plates in the two connecting frames, the strength of the whole titanium mesh device is conveniently enhanced by arranging the reinforcing ribs and the arc-shaped fixing plates, and the fixing area is conveniently increased by arranging extension plates in the middles of the fixing plates.
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Description

Technical Field

[0001] The utility model relates to the technical field of titanium mesh, in particular to a titanium mesh internal fixation for anterior cervical vertebra surgery. Background Art

[0002] Anterior cervical decompression surgery has been widely used in diseases such as cervical degenerative diseases and cervical trauma, and is increasingly used in bone grafting and internal fixation after subtotal disc and vertebral body resection.

[0003] According to the disclosed titanium mesh anterior cervical vertebrae surgical internal fixation system (authorization announcement number: CN215228274U), "a titanium mesh anterior cervical vertebrae surgical internal fixation system, including a titanium plate and a titanium cage, the upper and lower ends of the titanium plate are respectively fixed to the upper vertebral body and the lower vertebral body by connecting parts; the titanium cage is a hollow cylindrical structure, and a plurality of evenly spaced through holes are opened on the peripheral wall of the titanium cage, and the titanium plate is provided with fixing screws that are threaded and inserted into the peripheral wall of the titanium cage. In this application: the titanium cage is fixed to the titanium plate by the fixing screws, which improves the stability of the titanium cage fixed between the upper vertebral body and the lower vertebral body."

[0004] Existing titanium cages are not secure enough, especially when the patient's neck moves after surgery, which can cause the cage to loosen and shift. Furthermore, the cage cannot be adjusted to the height of the titanium mesh. Therefore, an improved titanium mesh anterior cervical fixation system is needed to address this issue. Utility Model Content

[0005] In view of this, the present invention provides a titanium mesh anterior cervical vertebra surgery internal fixation system to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0006] The technical solution of the embodiment of the utility model is implemented as follows: a titanium mesh anterior cervical spine surgical internal fixation system, including a protective sleeve, a connecting frame, a first mounting slot, a second mounting slot and a fixing plate, the bottom end of the protective sleeve is sleeved with the top end of the connecting frame, a plurality of equidistant reinforcing ribs are arranged between the connecting frames, a first mounting frame is provided on the outside of the connecting frame, a second mounting frame is provided on the inside of the connecting frame, a first titanium mesh is provided between the first mounting frames, a second titanium mesh is provided between the second mounting frames, both sides of the connecting frame are fixedly connected to a slider by a fixed threaded rod, a sliding groove is provided on the outer wall of the fixing plate, and the inside of the sliding groove is fixedly connected to the middle part of the slider.

[0007] Further preferably, an extension plate is slidably connected to the middle of the inner portion of the sliding groove, a second fixed thread groove is provided between the extension plate and the fixed plate, and a bolt is provided inside the second fixed thread groove.

[0008] Further preferably, first fixing thread grooves are respectively provided at the upper and lower ends of the fixing plate.

[0009] Further preferably, a buffer pad is provided on the same side of the fixing plate and the extension plate.

[0010] Further preferably, arc-shaped fixing plates are respectively provided on both sides of the outer wall of the reinforcing rib, and the first titanium mesh and the second titanium mesh are respectively in close contact on both sides of the arc-shaped fixing plates.

[0011] Further preferably, the pore structures of the first titanium mesh and the second titanium mesh are different, the pores of the first titanium mesh are arranged in a hexagonal shape, and the pores of the second titanium mesh are arranged in a quadrilateral shape.

[0012] Further preferably, the number of the fixing plates is two, and the two fixing plates are symmetrically arranged with the connecting frame as the center.

[0013] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0014] 1. The reinforcing ribs are passed through the interior of the two connecting frames and through the internal arc-shaped fixing plates. By providing the reinforcing ribs and the arc-shaped fixing plates, the strength of the entire titanium mesh device is enhanced. By providing an extension plate in the middle of the fixing plate, the fixing area is increased and the stability of the fixation is improved.

[0015] Second, by providing different types of titanium mesh, the overall toughness of the titanium mesh equipment can be enhanced. By providing a slide groove inside the fixed plate and a slider inside the slide groove, the position of the slider can be adjusted according to the height of the titanium mesh.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] Figure 1 This is the overall structural diagram of the utility model;

[0019] Figure 2 This is a structural diagram of the entire utility model and the fixed plate combination;

[0020] Figure 3 This is a schematic cross-sectional view of the entire utility model;

[0021] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of point A in the middle.

[0022] Figure numerals: 1. Protective cover; 2. Connecting frame; 3. First mounting groove; 4. Second mounting groove; 5. Fixed plate; 6. Slide groove; 7. First fixed threaded groove; 8. Reinforcing rib; 9. Slider; 10. Extension plate; 11. Buffer pad; 12. First titanium mesh; 13. Second titanium mesh; 14. Fixed threaded rod; 15. Second fixed threaded groove; 16. Arc-shaped fixed plate. DETAILED DESCRIPTION

[0023] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0024] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0025] Example

[0026] like Figures 1-4 As shown, the embodiment of the present invention provides a titanium mesh anterior cervical spine surgical internal fixation system, including a protective sleeve 1, a connecting frame 2, a first mounting slot 3, a second mounting slot 4 and a fixing plate 5. The bottom end of the protective sleeve 1 is sleeved with the top end of the connecting frame 2, and several equidistant reinforcing ribs 8 are arranged between the connecting frames 2. The outer side of the connecting frame 2 is provided with a first mounting frame, and the inner side of the connecting frame 2 is provided with a second mounting frame. A first titanium mesh 12 is arranged between the first mounting frames, and a second titanium mesh 13 is arranged between the second mounting frames. The two sides of the connecting frame 2 are fixedly connected to the slider 9 by a fixed threaded rod 14. The outer wall of the fixing plate 5 is provided with a slide groove 6, and the interior of the slide groove 6 is fixedly connected to the middle part of the slider 9. The titanium mesh is cut according to the needs of the operation and placed in the first mounting slot 3 and the second mounting slot 4. Different models of titanium mesh are used, and the reinforcing ribs 8 are passed through the interior of the two connecting frames 2 and through the internal arc-shaped fixing plate 16. By arranging the reinforcing ribs 8 and the arc-shaped fixing plate 16, the strength of the overall titanium mesh device is enhanced.

[0027] In one embodiment, specifically, an extension plate 10 is slidably connected to the middle of the inner part of the slide groove 6, a second fixed thread groove 15 is provided between the extension plate 10 and the fixed plate 5, and a bolt is provided inside the second fixed thread groove 15. By providing the extension plate 10 in the middle of the fixed plate 5, it is convenient to increase the fixing area and improve the stability of the fixation.

[0028] In one embodiment, specifically, first fixing thread grooves 7 are respectively formed at the upper and lower ends of the fixing plate 5 .

[0029] In one embodiment, specifically, a buffer pad 11 is provided on the same side of the fixing plate 5 and the extension plate 10 .

[0030] In one embodiment, specifically, arc-shaped fixing plates 16 are respectively provided on both sides of the outer wall of the reinforcing rib 8 , and the first titanium mesh 12 and the second titanium mesh 13 are respectively in close contact on both sides of the arc-shaped fixing plate 16 .

[0031] In one embodiment, specifically, the pore structures between the first titanium mesh 12 and the second titanium mesh 13 are different. The pores of the first titanium mesh 12 are set to be hexagonal, and the pores of the second titanium mesh 13 are set to be quadrilateral. By setting titanium meshes of different models, the overall toughness of the titanium mesh equipment can be enhanced.

[0032] In one embodiment, specifically, two fixing plates 5 are provided, and the two fixing plates 5 are symmetrically arranged with the connecting frame 2 as the center.

[0033] When the utility model is working: the titanium mesh is cut according to the needs of the operation, and the titanium mesh is placed inside the first mounting groove 3 and the second mounting groove 4, and different types of titanium mesh are used, and the reinforcing ribs 8 are passed through the inside of the two connecting frames 2, and through the internal arc-shaped fixing plate 16. By arranging the reinforcing ribs 8 and the arc-shaped fixing plate 16, it is convenient to enhance the strength of the titanium mesh overall device. By arranging an extension plate 10 in the middle of the fixing plate 5, it is convenient to enhance the fixing area and improve the stability of the fixation. By arranging the protective cover 1, the exposed end of the reinforcing rib 8 can be effectively covered to prevent the exposed end of the reinforcing rib 8 from stabbing the patient. By arranging different types of titanium mesh, the overall toughness of the titanium mesh device can be enhanced. By arranging a slide groove 6 inside the fixing plate 5 and a slider 9 inside the slide groove 6, the position of the slider 9 can be adjusted according to the height of the titanium mesh.

[0034] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and such variations or substitutions are intended to fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A titanium mesh internal fixation system for anterior cervical spine surgery, comprising a protective sleeve (1), a connecting frame (2), a first mounting slot (3), a second mounting slot (4) and a fixing plate (5), characterized in that: The bottom end of the protective sleeve (1) is sleeved with the top end of the connecting frame (2), a plurality of equidistant reinforcing ribs (8) are arranged between the connecting frames (2), a first mounting frame is arranged on the outside of the connecting frame (2), a second mounting frame is arranged on the inside of the connecting frame (2), a first titanium mesh (12) is arranged between the first mounting frames, and a second titanium mesh (13) is arranged between the second mounting frames. Both sides of the connecting frame (2) are fixedly connected to the slider (9) through a fixed threaded rod (14), and a slide groove (6) is provided on the outer wall of the fixed plate (5), and the inside of the slide groove (6) is fixedly connected to the middle part of the slider (9).

2. The titanium mesh anterior cervical vertebrae surgical internal fixation system according to claim 1, characterized in that: An extension plate (10) is slidably connected to the middle of the sliding groove (6), a second fixed thread groove (15) is provided between the extension plate (10) and the fixed plate (5), and a bolt is provided inside the second fixed thread groove (15).

3. The titanium mesh anterior cervical vertebrae surgery internal fixation system according to claim 1, characterized in that: The upper and lower ends of the fixing plate (5) are respectively provided with first fixing thread grooves (7).

4. The titanium mesh anterior cervical vertebrae surgical internal fixation system according to claim 1, characterized in that: A buffer pad (11) is provided on the same side of the fixed plate (5) and the extension plate (10).

5. The titanium mesh anterior cervical vertebrae surgery internal fixation system according to claim 1, characterized in that: Arc-shaped fixing plates (16) are respectively provided on both sides of the outer wall of the reinforcing rib (8), and the first titanium mesh (12) and the second titanium mesh (13) are respectively in close contact on both sides of the arc-shaped fixing plate (16).

6. The titanium mesh anterior cervical vertebrae surgery internal fixation system according to claim 1, characterized in that: The pore structures of the first titanium mesh (12) and the second titanium mesh (13) are different: the pores of the first titanium mesh (12) are arranged in a hexagonal shape, while the pores of the second titanium mesh (13) are arranged in a quadrilateral shape.

7. The titanium mesh anterior cervical vertebrae surgery internal fixation system according to claim 1, characterized in that: Two fixing plates (5) are provided, and the two fixing plates (5) are symmetrically arranged with the connecting frame (2) as the center.

Citation Information

Patent Citations

  • Titanium mesh type internal fixation system for anterior cervical surgery

    CN215228274U