Rib bone fracture plate

Abstract

The utility model relates to the technical field of internal fixators for bone setting, in particular to a rib bone setting plate which comprises a bone plate body and clamping jaws arranged on the two sides of the bone plate body, a fixed clamping jaw and the bone plate body are integrally formed, a movable clamping jaw is connected with the bone plate body through a sliding seat, and a sliding groove for the sliding seat to horizontally slide is formed in the bone plate body. An elastic locking piece used for limiting the sliding seat is further arranged in the sliding groove, the sliding groove is provided with two side walls, the elastic locking piece is elastic steel balls symmetrically arranged on the two side walls, a locking groove matched with the elastic steel balls is formed in the sliding seat, the elastic steel balls abut against the locking groove, and the elastic steel balls are arranged in the sliding groove through springs. Elastic grooves capable of containing the springs are formed in the two side walls, and positioning rings are arranged at openings of the elastic grooves and used for limiting the elastic steel balls and the springs in the elastic grooves. According to the rib bone fracture plate, the detachable movable clamping jaws are arranged on the bone plate body, so that it is guaranteed that ribs are stably clamped, and meanwhile the rib bone fracture plate is convenient to detach.

Description

Technical Field

[0001] The utility model relates to the technical field of internal fixators used for bone setting, in particular to a rib bone setting plate. Background Art

[0002] Rib fractures are usually connected and fixed with rib plates to allow them to grow and recover. Conventional rib plates are usually composed of a thin plate and multiple clamping plates on both sides of the thin plate. During the operation, a lot of shaping is used to bend the clamping plates to clamp the ribs, and then the two broken ribs are connected to each other through locking screws that penetrate the thin plate and the ribs, facilitating rib recovery.

[0003] A search revealed patent publication number CN113679463B, which discloses an embracing zinc alloy rib plate, a processing method, and a flexible forming device. The plate is constructed of a medically biodegradable zinc alloy. However, the alloy plate is a one-piece structure, requiring the use of a crowbar to pry open the claws. This can cause secondary damage to the bone and hinder bone recovery. Utility Model Content

[0004] In order to solve the problem that the existing integrated structure bone plate is difficult to remove, the utility model provides a rib bone plate, which is easy to remove by arranging detachable movable claws on the bone plate body to ensure stable clamping of the ribs.

[0005] The utility model provides a rib bone plate, comprising a bone plate body and claws symmetrically arranged on both sides of the bone plate body, the claws being divided into fixed claws and movable claws, the fixed claws being integrally formed with the bone plate body, the movable claws being connected to the bone plate body via a slide, the bone plate body being provided with a slide groove for the slide groove to slide horizontally, and an elastic locking member for limiting the position of the slide groove. The elastic locking member allows the slide groove to drive the movable claws to slide into the slide groove to clamp the rib or to slide out of the slide groove to remove the bone plate.

[0006] Furthermore, the chute has two side walls, and the elastic locking members are elastic steel balls symmetrically arranged on the two side walls. The slide is provided with a locking groove adapted for the elastic steel balls, and the elastic steel balls are pressed into the locking groove. When the slide is placed into the chute, the elastic steel balls press into the locking groove, completing the locking of the slide, that is, completing the locking of the movable claw.

[0007] Furthermore, the elastic steel ball is set in the slide groove through the spring, and the elastic grooves for accommodating the springs are formed on both side walls. The openings of the elastic grooves are provided with positioning rings for confining the elastic steel ball and the spring in the elastic grooves. The positioning rings not only allow the head end of the elastic steel ball to extend, but also confine the elastic steel ball and the spring in the installation groove.

[0008] Furthermore, at least three sets of elastic locking members are correspondingly provided on both side walls of the chute, and the three sets of elastic locking members are evenly spaced in the chute. By using at least three sets of elastic locking members arranged at equal intervals, the connection stability between the movable claw and the bone plate body can be enhanced.

[0009] Furthermore, a pressure hole is provided on the bone plate body, and the pressure hole is opened corresponding to the slide groove. Screws can be provided to enhance the connection stability between the bone plate and the rib.

[0010] Furthermore, the pressure hole passes through the slide seat in the slide groove, the pressure hole is an internal threaded hole, and the slide seat is fixedly connected to the bone plate body by a pressure screw screwed in the pressure hole, so that the bone plate body is firmly fixed to the skeleton and is not easy to slip or shift.

[0011] Furthermore, the top surface of the compression screw is lower than the top surface of the bone plate body or is flush with the top surface of the bone plate body, thereby reducing the foreign body sensation after implantation.

[0012] The beneficial effects of the present invention are:

[0013] The utility model provides a rib bone fracture plate, which is easy to disassemble by separating the rib plate. When taking out the bone plate, there is no need to use a crowbar to pry open the claws, which avoids secondary damage to the bones and is beneficial to the recovery of the bones. The movable claws and the bone plate body are spliced ​​into a whole by elastic locking parts, and the installation and disassembly are convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a first-person perspective diagram of a rib plate;

[0016] Figure 2 This is a second-view schematic diagram of the rib plate;

[0017] Figure 3 1 is a schematic structural diagram of an elastic locking member;

[0018] In the figure, 1. bone plate body, 2. fixed claw, 3. movable claw, 4. slide seat, 5. slide groove, 6. elastic steel ball, 7. locking groove, 8. spring, 9. positioning ring, 10. pressure hole, 11. pressure screw. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] In order to facilitate the removal of the bone plate from the skeleton, a rib bone plate is designed, such as Figure 1 and 2 As shown, it includes a bone plate body 1 and claws symmetrically arranged on both sides of the bone plate body 1. The claws are divided into fixed claws 2 and movable claws 3. The fixed claws 2 are integrally formed with the bone plate body 1. The movable claws 3 are connected to the bone plate body 1 through a slide 4. The bone plate body 1 is provided with a slide groove 5 for the slide 4 to slide horizontally, and an elastic locking member for limiting the slide 4 is also provided in the slide groove 5.

[0021] The claws fit the skeleton in an embracing manner. During installation, the fixed claws 2 of the bone plate body 1 are first implanted into one side of the rib, and then the movable claws 3 are pushed into the slide groove 5 of the bone plate body 1 from the other side of the rib in sequence. The elastic locking piece in the slide groove 5 is used to lock the movable claws 3 to complete the installation of the bone plate. This eliminates the traditional trouble of implanting the bone plate first and then clamping and shaping it with tools, and can be directly installed in place; when the bone plate needs to be removed, it is only necessary to unscrew the pressure screw 11 and pull the movable claws 6 out of the slide groove 5. There is no need to use tools to pry it open and remove it, which avoids secondary damage to the skeleton and is beneficial to the recovery of the skeleton.

[0022] Specifically, the chute 5 has two side walls, and the elastic locking members are elastic steel balls 6 symmetrically arranged on the two side walls. The slide 4 is provided with a locking groove 7 adapted to the elastic steel balls 6, and the elastic steel balls 6 are pressed into the locking groove 7. The locking groove 7 is configured as a semicircular groove. The side walls of the slide 4 touch and squeeze the elastic steel balls 6 into the chute 5. After being placed in place, the elastic steel balls 6 are pushed into the locking groove 7 under the action of the spring 8, completing the limited locking of the slide 4. This makes the installation and removal of the slide 4 convenient and quick, and the locking stability is good.

[0023] The elastic steel ball 6 is set in the chute 5 via a spring 8. Elastic grooves for accommodating the spring 8 are formed on both side walls. A positioning ring 9 is provided at the opening of the elastic groove to confine the elastic steel ball 6 and the spring 8 within the elastic groove. A guide sleeve can be provided in the elastic groove. One end of the spring 8 is fixedly set in the guide sleeve, and the other end is connected to the elastic steel ball 6. The positioning ring 9 is provided at the opening of the elastic groove. The positioning ring 9 has a hole for the elastic steel ball 6 to extend out. The diameter of the hole is smaller than that of the elastic steel ball 6. This not only stably confines the elastic steel ball 6 and the spring 8 within the elastic groove, but also allows the head end of the elastic steel ball 6 to extend out of the hole.

[0024] like Figure 3As shown, in order to ensure the connection stability between the slide 4 and the slide groove 5, at least three groups of elastic locking members are correspondingly provided on both side walls of the slide groove 5, and the three groups of elastic locking members are evenly spaced in the slide groove 5.

[0025] To securely secure the bone plate body 1 to the skeleton, a pressure hole 10 is provided on the bone plate body 1, corresponding to the chute 5. The pressure hole 10 extends through the slide 4 positioned within the chute 5. The pressure hole 10 is an internally threaded hole, and the slide 4 is securely connected to the bone plate body 1 via a pressure screw 11 threaded into the pressure hole 10.

[0026] After the movable claw 2 is installed on the bone plate body 1, the pressure screw 11 can be screwed into the pressure hole 10. The pressure screw 11 passes through the bone plate body 1, the slide 4 and the ribs in sequence, and cooperates with the embracing claw to stably install the bone plate on the skeleton, which is conducive to recovery.

[0027] After implantation, in order to reduce the foreign body sensation, the top surface of the compression screw 11 is lower than the top surface of the bone plate body 1 or the top surface of the compression screw 11 is flush with the top surface of the bone plate body 1 .

[0028] The above description is only illustrative and not restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A rib bone plate, comprising a bone plate body (1) and claws arranged on both sides of the bone plate body (1), characterized in that: The clamping claw is divided into a fixed clamping claw (2) and a movable clamping claw (3), the fixed clamping claw (2) is integrally formed with the bone plate body (1), the movable clamping claw (3) is connected to the bone plate body (1) through a slide seat (4), and a slide groove (5) for the slide seat (4) to slide horizontally is provided on the bone plate body (1), and an elastic locking member for limiting the slide seat (4) is also provided in the slide groove (5).

2. A rib bone plate according to claim 1, characterized in that: The slide groove (5) has two side walls, the elastic locking member is an elastic steel ball (6) symmetrically arranged on the two side walls, the slide seat (4) is provided with a locking groove (7) adapted to the elastic steel ball (6), and the elastic steel ball (6) is pressed into the locking groove (7).

3. The rib bone plate according to claim 2, characterized in that: The elastic steel ball (6) is arranged in the slide groove (5) through the spring (8), and an elastic groove capable of accommodating the spring (8) is opened on the two side walls. A positioning ring (9) is provided at the opening of the elastic groove for limiting the elastic steel ball (6) and the spring (8) in the elastic groove.

4. The rib bone plate according to claim 3, characterized in that: At least three groups of elastic locking members are correspondingly provided on both side walls of the slide groove (5), and the three groups of elastic locking members are arranged at equal intervals in the slide groove (5).

5. The rib bone fracture plate according to claim 1, characterized in that: A pressure hole (10) is also provided on the bone plate body (1), and the pressure hole (10) is opened corresponding to the slide groove (5).

6. The rib bone fracture plate according to claim 5, characterized in that: The pressure hole (10) passes through the slide seat (4) placed in the slide groove (5); the pressure hole (10) is an internal threaded hole; the slide seat (4) is fixedly connected to the bone plate body (1) via a pressure screw (11) screwed into the pressure hole (10).

7. The rib bone plate according to claim 6, characterized in that: The top surface of the pressure screw (11) is lower than the top surface of the bone plate body (1) or the top surface of the pressure screw (11) is flush with the top surface of the bone plate body (1).

8. The rib bone fracture plate according to claim 1, characterized in that: The clamping claws are in an embracing type, and the fixed clamping claws (2) and the movable clamping claws (3) are symmetrically arranged on both sides of the bone plate body (1).

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