CN219230075U

CN219230075U - Posterior spinal multi-point fixing device

Info

Publication number: CN219230075U
Application number: CN202222527527.2U
Authority: CN
Inventors: 李政通; 王佳奇
Original assignee: Beijing Century Kangyue Medical Equipment Co ltd
Current assignee: Beijing Century Kangyue Medical Equipment Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-23
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a posterior multi-point fixing device for a spine, which comprises a connecting plate, wherein a fixing mechanism is arranged in the middle of the connecting plate; the fixing mechanism comprises a second fixing nut, a V-shaped fixing plate, a straight fixing plate and a first threaded hole, wherein the first threaded hole is formed in the middle of the connecting plate, the bottom end of the second fixing nut is connected with one end of the V-shaped fixing plate in a penetrating mode, the bottom end of the second fixing nut is connected with one end of the straight fixing plate in a penetrating mode, and the bottom end of the second fixing nut is connected with the inner wall of the first threaded hole in a threaded mode. According to the utility model, the fixing mechanism is designed, and two fixing plates are additionally arranged on the connecting plate of the fixing screw to fix the screw, so that the screw is more stable, the two fixing plates are respectively in a V shape and a straight shape and are fixed through the same fixing nut, and the two fixing plates are combined into a triangle, thereby greatly improving the stability and enabling the screw to be better kept at the original position in the subsequent fixing.

Description

Posterior spinal multi-point fixing device

Technical Field

The utility model relates to the field of spinal fixation devices, in particular to a posterior spinal multi-point fixation device.

Background

The utility model provides a spine way multiple spot fixing device is a device that is applied to the medical science and is used for fixing the backbone position, can be fixed in the fixed position through this device with the backbone, and traditional spine way multiple spot fixing device is mainly through inserting the nail on backbone bone, uses the connective bar to connect the nail again and fixes the nail position, because the nail that is located the different sides of backbone does not carry out fixed connection each other when fixing, when dead time overlength, along with being fixed backbone person's daily activity, can make fixed position produce the deviation.

Disclosure of Invention

The utility model aims to provide a posterior spinal multi-point fixing device for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a posterior spinal multi-point fixation device, comprising:

the middle part of the connecting plate is provided with a fixing mechanism;

the fixing mechanism comprises a second fixing nut, a V-shaped fixing plate, a straight fixing plate and a second threaded hole, wherein the second threaded hole is formed in the middle of the connecting plate, the bottom end of the second fixing nut is connected with one end of the V-shaped fixing plate in a penetrating mode, the bottom end of the second fixing nut is connected with one end of the straight fixing plate in a penetrating mode, the bottom end of the second fixing nut is connected with the inner wall of the second threaded hole in a threaded mode, and locking mechanisms are arranged at two ends of the connecting plate and comprise a first fixing nut, screws and a first threaded hole.

Preferably, locking mechanisms are arranged at two ends of the connecting plate, each locking mechanism comprises a first fixing nut, a screw and a second threaded hole, the bottom end of each first fixing nut is in threaded connection with the inner wall of each second threaded hole, and the top end of each screw is connected with the inner wall of each second threaded hole in a penetrating mode.

Preferably, the V-shaped adjusting grooves are formed in the two ends of the V-shaped fixing plate, and the bottoms of the second fixing nuts are connected with the inner walls of the V-shaped adjusting grooves in a penetrating mode.

Preferably, the two ends of the straight fixing plate are provided with adjusting grooves, and the bottoms of the second fixing nuts are connected with the inner walls of the straight adjusting grooves in a penetrating mode.

The utility model has the technical effects and advantages that:

according to the utility model, the fixing mechanism is designed, and two fixing plates are additionally arranged on the connecting plate of the fixing screw to fix the screw, so that the screw is more stable, the two fixing plates are respectively in a V shape and a straight shape and are fixed through the same fixing nut, and the two fixing plates are combined into a triangle, thereby greatly improving the stability and enabling the screw to be better kept at the original position in the subsequent fixing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic top view of the overall structure of the present utility model.

Fig. 3 is a schematic view of a fixing plate structure of the present utility model.

In the figure: 1. a connecting plate; 101. a first threaded hole; 102. a second threaded hole; 2. a first fixing nut; 3. a V-shaped fixing plate; 301. a V-shaped adjusting groove; 4. a straight fixing plate; 401. a straight adjusting groove; 5. a second fixing nut; 6. and (5) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a posterior spinal fixation device, as shown in fig. 1-3, comprising:

the connecting plate 1, the middle part of the connecting plate 1 is provided with a fixing mechanism; the fixed establishment includes second fixation nut 5, V type fixed plate 3, straight fixed plate 4 and second screw hole 102, second screw hole 102 is seted up in connecting plate 1 middle part, second fixation nut 5 bottom and V type fixed plate 3 alternate to be connected, second fixation nut 5 bottom and straight fixed plate 4 one end alternate to be connected, V type fixed plate 3 is located the top of straight fixed plate 4 to V type fixed plate 3 and straight fixed plate 4 zonulae occludens, the bottom and the second screw hole 102 inner wall threaded connection of second fixation nut 5, screw up through rotatory second fixation nut 5 and can fix V type fixed plate 3 and straight fixed plate 4 on connecting plate 1.

The connecting plate 1 both ends are provided with locking mechanical system, and locking mechanical system includes first fixation nut 2, screw 6 and first screw hole 101, and first fixation nut 2 bottom and first screw hole 101 inner wall threaded connection, screw 6 top and first screw hole 101 inner wall alternate to be connected, screw 6 can be screwed down in the spine with the more deep nail of screw 6 through rotating first fixation nut 2, improves fixed effect.

V-shaped adjusting grooves 301 are formed in two ends of the V-shaped fixing plate 3, the bottom ends of the second fixing nuts 5 are connected with the V-shaped adjusting grooves 301 in a penetrating mode, and the positions of the second fixing nuts 5 on the V-shaped fixing plate 3 can be moved through the V-shaped adjusting grooves 301, so that the required fixing length of the V-shaped fixing plate 3 can be adjusted.

The two ends of the straight fixing plate 4 are provided with straight adjusting grooves 401, the bottom ends of the second fixing nuts 5 are connected with the straight adjusting grooves 401 in a penetrating mode, and the positions of the second fixing nuts 5 on the straight fixing plate 4 can be moved through the straight adjusting grooves 401, so that the required fixed length of the straight fixing plate 4 is adjusted.

The working principle of the utility model is as follows:

when the utility model is used, a user firstly nails the screw 6 into the spine to be fixed, then sleeves the connecting plate 1 onto two adjacent screws 6, screws the first fixing nut 2 into the first threaded hole 101 after sleeve jointing is completed, screws the first fixing nut 2, confirms that the screw 6 is completely nailed and the first fixing nut 2 is fixed, then sequentially places the V-shaped fixing plate 3 and the straight fixing plate 4 above the second threaded hole 102, adjusts the positions of the V-shaped fixing plate 3 and the straight fixing plate 4, ensures that the V-shaped adjusting groove 301 and the straight adjusting groove 401 are completely above the second threaded hole 102, screws the second fixing nut 5 into the V-shaped adjusting groove 301 and the straight adjusting groove 401, confirms that the V-shaped fixing plate 3 and the straight fixing plate 4 are completely screwed and fixed, and stops screwing. Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The posterior multi-point spine fixing device comprises a connecting plate (1), wherein a fixing mechanism is arranged in the middle of the connecting plate (1);

the fixing mechanism is characterized by comprising a second fixing nut (5), a V-shaped fixing plate (3), a straight fixing plate (4) and a second threaded hole (102), wherein the second threaded hole (102) is formed in the middle of the connecting plate (1), the bottom end of the second fixing nut (5) is connected with one end of the V-shaped fixing plate (3) in a penetrating way, the bottom end of the second fixing nut (5) is connected with one end of the straight fixing plate (4) in a penetrating way, and the bottom end of the second fixing nut (5) is connected with the inner wall of the second threaded hole (102) in a threaded way;

locking mechanisms are arranged at two ends of the connecting plate (1), and each locking mechanism comprises a first fixing nut (2), a screw (6) and a first threaded hole (101).

2. The posterior spinal multi-point fixing device according to claim 1, wherein the bottom end of the first fixing nut (2) is in threaded connection with the inner wall of the first threaded hole (101), and the top end of the screw (6) is in threaded connection with the inner wall of the first threaded hole (101).

3. The posterior spinal multi-point fixing device according to claim 1, wherein the two ends of the V-shaped fixing plate (3) are provided with V-shaped adjusting grooves (301), and the bottom of the second fixing nut (5) is connected with the inner walls of the V-shaped adjusting grooves (301) in a penetrating manner.

4. The posterior spinal multi-point fixing device according to claim 1, wherein the two ends of the straight fixing plate (4) are provided with straight adjusting grooves (401), and the bottoms of the second fixing nuts (5) are connected with the inner walls of the straight adjusting grooves (401) in a penetrating mode.