CN216876562U

CN216876562U - Fracture reduction steel plate temporary fixator convenient to adjust

Info

Publication number: CN216876562U
Application number: CN202123275180.9U
Authority: CN
Inventors: 邹孝军
Original assignee: Juxian Peoples Hospital
Current assignee: Juxian Peoples Hospital
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-05
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a steel plate temporary fixator convenient to adjust for fracture reduction, relates to the technical field of medical instruments, and comprises an inverted L-shaped bottom plate, wherein a telescopic rod is arranged at the top of a long edge of the L-shaped bottom plate, the tail end of the telescopic rod is fixedly connected to the inner side of a short edge of the L-shaped bottom plate, a spring is sleeved on the outer side of the telescopic rod, a double-head movable claw and a single-head fixed claw are respectively arranged at the front ends of the telescopic rod and the bottom plate, and a conical column is arranged on the inner side of the double-head movable claw.

Description

Fracture reduction steel plate temporary fixator convenient to adjust

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a steel plate temporary fixator convenient to adjust for fracture reduction.

Background

The temporary fracture fixator is a common instrument in orthopedic surgery, and when the internal fixation of the steel plate is carried out on the fracture of four limbs, the two fracture ends of the fracture need to be fixed by the aid of the temporary fixator after the fracture reduction, so that the fracture is temporarily stable, and the steel plate can be placed and the fixing screws can be screwed in conveniently. However, most of the existing temporary fracture fixators are two-jaw or three-jaw bone holders, after the fracture is reduced, the two-jaw or three-jaw bone holders are required to be loosened, then steel plates are arranged, the fracture is easy to be displaced in the process, particularly for unstable fracture, the fracture is required to be reduced and fixed repeatedly, inconvenience is brought to the operation, and the probability of complications such as infection, nonunion and the like is increased; meanwhile, the thickness of the bones of the four limbs of the human body is not uniform, and the conventional temporary steel plate fixator cannot realize the adjusting function and cannot be widely used.

SUMMERY OF THE UTILITY MODEL

In view of the above defects of the prior art, the present invention aims to provide a steel plate temporary fixator which facilitates fracture reduction and adjustment, and can solve the technical problems that the existing temporary fixator cannot fix a steel plate stably, needs repeated operation, increases operation time, and cannot be adjusted according to the thickness of bones.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a fracture resets interim fixer of steel sheet of being convenient for adjust, includes the L type bottom plate of an inversion, the long limit top of L type bottom plate is provided with the telescopic link, the terminal fixed connection of telescopic link is inboard at the minor face of L type bottom plate, telescopic link outside cover is equipped with the spring, the front end of telescopic link and bottom plate is provided with double-end movable claw and single-end stationary dog respectively, the inboard of double-end movable claw is provided with the toper post.

Preferably, the bottom plate is provided with guide blocks in sliding connection with the sliding grooves, and the guide blocks are fixedly connected to the front end of the telescopic rod.

Preferably, the inner side of the single-head fixing claw is provided with a rubber gasket.

Preferably, the top of double-end movable claw is equipped with the buckle, the top outside of single-end stationary dog be equipped with the chucking draw-in groove of buckle cooperation, the quantity of draw-in groove is a plurality of, the arcwall face direction equidistance distribution of single-end stationary dog is followed to a plurality of draw-in grooves.

Preferably, the double-end movable claw is rotatably connected with the front end of the telescopic rod.

Preferably, the two side walls of the guide block are provided with anti-skid lines.

Compared with the prior art, the utility model has the beneficial effects that:

1. the steel plate is convenient to put in, and does not need to be put in for the second time: when the bone holder is used for fixing the fracture reduction, the steel plate can be placed in the double-head movable claw in advance, the conical columns on the inner side of the double-head movable claw are respectively placed in the corresponding round holes in the steel plate, the steel plate is fixed without loosening the bone holder again and then placed in the steel plate, operation steps are reduced, and operation time is shortened.

2. The clamping jaw is adjustable, is favorable to the skeleton of fixed different positions: in this technical scheme, single-end stationary dog and double-end movable claw pass through the buckle and connect, and the single-end stationary dog outside still is provided with the draw-in groove that is used for adjusting the buckle position, through setting up adjustable fixed mode, do benefit to and fix to the fracture at different positions.

3. The fixer stable in structure: through setting up the guide block, do benefit to and lead to the flexible direction of telescopic link, and then make double-end movable claw and single-end stationary dog cooperate the use better.

4. The arrangement of the rubber gasket is beneficial to protecting periosteum outside bones from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a perspective view of a steel plate temporary fixator which is convenient to adjust for fracture reduction according to the present invention.

Description of reference numerals:

1-bottom plate, 2-telescopic rod, 3-spring, 4-double-head movable claw, 5-single-head fixed claw, 6-conical column, 7-chute, 8-guide block, 9-rubber gasket, 10-buckle, 11-clamping groove and 12-anti-skid pattern.

Detailed Description

The utility model will be described in detail by way of example with reference to the accompanying drawings, which form a part hereof, and in which it is to be understood that the described embodiments are by way of illustration only, and not by way of limitation.

As shown in figure 1, a fracture resets interim fixer of steel sheet of being convenient for adjust, including an L type bottom plate 1 of invering, L type bottom plate 1's long limit top is provided with telescopic link 2, terminal fixed connection of telescopic link 2 is inboard at L type bottom plate 1's minor face, 2 outside covers of telescopic link are equipped with spring 3, the front end of telescopic link 2 and bottom plate 1 is provided with double-end movable claw 4 and single-end stationary dog 5 respectively, double-end movable claw 4 rotates with the front end of telescopic link 2 to be connected, the inboard of double-end movable claw 4 is provided with conical column 6.

In this embodiment, when the fracture reduction bone holder fixes two broken bones, the steel plate can be placed in the double-head movable claw 4 in advance, and the conical columns 6 on the inner side of the double-head movable claw 4 are respectively placed in the corresponding round holes on the steel plate, so that the steel plate is fixed. The spring 3 is tensioned, the single-head fixing claw 5 enters from one side of the fracture end, and the spring 3 resets to realize the fixation of the steel plate.

Spout 7 has all been seted up to the long limit both sides of bottom plate 1, be provided with on bottom plate 1 with spout 7 sliding connection's

guide block

8, 8 fixed connection of guide block are at the front end of telescopic link 2, 3 one end fixed connection of spring are on guide block 8, and other end fixed connection is inboard at the minor face of bottom plate 1. Through setting up guide block 8, can avoid spring 3 to shrink or when reseing telescopic link 2 emergence position and remove, cause the fixed unstable condition.

The inner side of the single-head fixing claw 5 is provided with a rubber gasket 9, and the arrangement of the rubber gasket 9 is favorable for protecting periosteum on the outer side of a skeleton from being damaged.

The top of double-end movable jaw 4 is equipped with buckle 10, the top outside of single-end stationary dog 5 be equipped with buckle 10 cooperation chucking draw-in groove 11, the quantity of draw-in groove 11 is a plurality of, a plurality of draw-in grooves 11 distribute along the arcwall face direction equidistance of single-end stationary dog 5.

In this embodiment, single-end stationary dog 5 and double-end movable claw 4 pass through buckle 10 to be connected, and the single-end stationary dog 5 outside still is provided with the draw-in groove 11 that is used for adjusting buckle 10 position, through setting up adjustable fixed mode, does benefit to the skeleton to different positions and fixes.

And anti-skid grains 12 are arranged on two side walls of the guide block 8, so that the friction force during pulling is increased.

The working principle is as follows: during the use, make spring 3 compressed with hand pulling guide block 8, and then make double-end movable claw 4 and 5 phase separations of single-end stationary dog, place double-end movable claw 4 inboard with the steel sheet for the inboard toper post 6 of double-end movable claw 4 arranges the round hole of steel sheet in, enters into from fracture end one side with single-end stationary dog 5, slowly loosens guide block 8, and spring 3 resets, realizes that the steel sheet is fixed. When different parts are fixed, for example, the thickness of the femur is different from the middle, and the thickness of the femur gradually increases from the middle to the two ends, so that the matching connection between the buckle 10 and the slot 11 in this embodiment is important to achieve the adjustable function.

The utility model has simple structure and strong practicability, not only can be more firmly fixed at the fracture end and can be adjusted according to different positions, but also can directly place the steel plate, shorten the operation time, reduce the operation risk and be beneficial to the high-quality and quick completion of the operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the application concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a fracture reduction is convenient for interim fixer of steel sheet of adjusting, includes L type bottom plate (1) of an inversion, its characterized in that: the long limit top of L type bottom plate (1) is provided with telescopic link (2), the terminal fixed connection of telescopic link (2) is inboard at the minor face of L type bottom plate (1), telescopic link (2) outside cover is equipped with spring (3), the front end of telescopic link (2) and bottom plate (1) is provided with double-end movable claw (4) and single-end stationary dog (5) respectively, the inboard of double-end movable claw (4) is provided with conical column (6).

2. A fracture-reduction-adjustable steel-plate temporary fixator as claimed in claim 1, wherein: the long edge of the bottom plate (1) is provided with two sides with sliding grooves (7), the bottom plate (1) is provided with a guide block (8) which is connected with the sliding grooves (7) in a sliding mode, and the guide block (8) is fixedly connected to the front end of the telescopic rod (2).

3. A fracture reduction adjustable steel plate temporary fixator of claim 1 wherein: and a rubber gasket (9) is arranged on the inner side of the single-head fixed claw (5).

4. A fracture-reduction-adjustable steel-plate temporary fixator as claimed in claim 1, wherein: the top of double-end movable claw (4) is equipped with buckle (10), the top outside of single-end stationary dog (5) be equipped with buckle (10) cooperation chucking draw-in groove (11), the quantity of draw-in groove (11) is a plurality of, the arcwall face direction equidistance distribution of single-end stationary dog (5) is followed in a plurality of draw-in grooves (11).

5. A fracture-reduction-adjustable steel-plate temporary fixator as claimed in claim 1, wherein: the double-end movable claw (4) is rotatably connected with the front end of the telescopic rod (2).

6. A fracture-reduction-adjustable steel-plate temporary fixator as claimed in claim 2, wherein: and anti-skid grains (12) are arranged on two side walls of the guide block (8).