Bone fracture plate locking device

By designing a locking component for the bone plate locking device, and using arc-shaped locking claws and limiting bolts to achieve stable fixation of the clavicle plate, the problem of bone screw dislodgement in the elderly and osteoporosis patients is solved, improving the bone setting effect and ease of use.

CN224070555UActive Publication Date: 2026-04-03JIANGSU JINLU GRP MEDICAL DEVICE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing bone plates are prone to bone screw dislodgement in elderly patients or those with osteoporosis, resulting in ineffective fixation and affecting the bone setting outcome.

Method used

A bone plate locking device was designed, comprising a locking assembly including an arc-shaped locking claw clamp, a connecting slide plate, a limiting bolt, and a nut. The device achieves stable fixation of the clavicle plate through sliding and threaded connections, avoiding the use of screws for fixation.

Benefits of technology

It improves the locking effect of the bone plate, is suitable for users of different ages, enhances the practicality and convenience of the device, and reduces the impact on users.

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Abstract

The utility model discloses a bone fracture plate locking device, which relates to the technical field of medical instruments, and comprises a clavicle main body, the clavicle main body comprises a clavicle plate, the middle of the clavicle plate is provided with a screw inserting groove, the top of the screw inserting groove is provided with a screw cap accommodating groove, the middle of the screw inserting groove is provided with a locking screw, and the locking screw is provided with a screw cap. A nut is arranged at the top of the locking screw, and a locking assembly is arranged on the side face of the clavicle plate. The locking assembly is used for fixing the clavicle plate, the arc-shaped locking claw clamp and the connecting sliding plate are connected in the mounting sliding groove in a sliding mode, the limiting bolt penetrates through the limiting groove to be connected with the connecting soft plate, and therefore the arc-shaped locking claw clamp and the connecting sliding plate are connected in a positioning mode. The arc-shaped locking claw clamp is clamped at the fracture position, so that the locking effect of the clavicle plate is improved, the device is suitable for users of different ages, and the practicability of the device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a bone plate locking device. Background Technology

[0002] As is well known, metal bone plates are designed based on the shape of human bones in a biomimetic manner. The metal bone plates are made of stainless steel and pure titanium materials, with the aim of minimizing product stress damage caused by bending of the bone plate. At the same time, the screw hole spacing and hole diameter are predetermined according to the different parts of the product to be used; and all materials are determined according to the load-bearing requirements of the parts.

[0003] Existing bone plates are usually fixed with bone screws. However, when the patient using the device is elderly or suffers from osteoporosis or other diseases, the bone screws are prone to falling out and cannot be fixed, which seriously affects the bone setting effect. This reduces the efficiency and effectiveness of bone setting and other treatments using bone plates. Therefore, there is a need to provide a bone plate locking device to solve the above problems. Utility Model Content

[0004] The main purpose of this utility model is to provide a bone plate locking device, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A bone plate locking device includes a clavicle body, the clavicle body includes a clavicle plate, a screw insertion groove is provided in the middle of the clavicle plate, and a nut receiving groove is provided at the top of the screw insertion groove. A locking screw is provided in the middle of the screw insertion groove, and a nut is provided at the top of the locking screw. A locking assembly is provided on the side of the clavicle plate.

[0007] The locking assembly includes a mounting slide, the top of which is provided with a T-shaped limiting slide, and the interior of which is provided with a T-shaped limiting slide rail. The bottom of the T-shaped limiting slide rail is provided with a connecting slide plate, and the bottom of the connecting slide plate is provided with a connecting flexible plate. The side of the connecting slide plate is provided with an arc-shaped locking claw, and the bottom of the connecting flexible plate is provided with a limiting bolt, and the bottom of the limiting bolt is provided with a rotating nut.

[0008] Preferably, the clavicle plate has a screw insertion groove in the middle, and there are multiple screw insertion grooves, which are evenly distributed in the middle of the clavicle plate. The top of the screw insertion groove has a nut receiving groove, and the nut receiving groove and the screw insertion groove are interconnected. The nut receiving groove and the screw insertion groove are correspondingly arranged.

[0009] Preferably, a locking screw is inserted into the middle of the nut receiving groove, and the locking screw passes through the nut receiving groove and the screw insertion groove. A nut is fixedly connected to the top of the locking screw, and the bottom of the nut contacts the bottom inner wall of the nut receiving groove. A cross groove is formed in the middle of the top of the nut.

[0010] Preferably, the clavicle plate has a mounting groove on its side, and the mounting groove is located near the bottom of the side of the clavicle plate. There are two mounting grooves, which are symmetrically distributed on both sides of the clavicle plate. One end of the mounting groove passes through one side of the clavicle plate, and a T-shaped limiting groove is formed at the top of the mounting groove. One end of the T-shaped limiting groove passes through one side of the clavicle plate, and the T-shaped limiting groove is connected to the mounting groove.

[0011] Preferably, a T-shaped limiting slide rail is slidably connected inside the T-shaped limiting slide groove, and the bottom end of the T-shaped limiting slide rail is connected to the inside of the mounting slide groove. A connecting slide plate is fixedly connected to the bottom of the T-shaped limiting slide rail, and a connecting flexible plate is fixedly connected to the bottom of the connecting slide plate. The bottom of the connecting flexible plate is slidably connected to the bottom inner wall of the mounting slide groove.

[0012] Preferably, an arc-shaped locking claw is fixedly connected to the side of the connecting slide plate, and the arc-shaped locking claw is correspondingly set to the mounting slide groove. A limiting groove is opened at the bottom of the mounting slide groove, and the bottom end of the limiting groove penetrates the bottom of the clavicle plate. There are multiple limiting grooves, which are evenly distributed in the middle of the bottom of the mounting slide groove. A groove is provided at the bottom of the limiting groove, and the groove is correspondingly set to the limiting groove. A limiting bolt is threadedly connected to the middle of the limiting groove, and the top of the limiting bolt contacts the connecting flexible plate. A rotating nut is fixedly connected to the bottom of the limiting bolt.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, the clavicle plate is fixed by a locking assembly. An arc-shaped locking claw is slidably connected to the connecting slide plate inside the mounting groove. A limiting bolt passes through the limiting groove and connects to the connecting flexible plate, thereby achieving a positioning connection between the arc-shaped locking claw and the connecting slide plate. This facilitates the installation and removal of the arc-shaped locking claw. The arc-shaped locking claw engages at the fracture site, improving the locking effect of the clavicle plate and making the device suitable for users of different ages, thus enhancing its practicality. Attached Figure Description

[0015] Figure 1 This is a first-person perspective perspective view of the entire device of this utility model;

[0016] Figure 2 This is a second-view perspective perspective view of the entire device of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the clavicle body of this utility model;

[0018] Figure 4 This is a structural schematic diagram of the locking component of this utility model.

[0019] In the diagram: 1. Clavicle body; 2. Clavicle plate; 3. Screw insertion slot; 4. Nut receiving slot; 5. Locking screw; 6. Nut; 7. Cross groove; 8. Locking assembly; 9. Mounting slide; 10. T-shaped limiting slide; 11. T-shaped limiting slide rail; 12. Arc-shaped locking claw; 13. Connecting flexible plate; 14. Limiting groove; 15. Limiting bolt; 16. Rotating nut; 17. Groove; 18. Connecting slide plate. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figure 1 , Figure 2 , Figure 3 As shown, a clavicle plate locking device includes a clavicle body 1, which includes a clavicle plate 2. A screw insertion groove 3 is provided in the middle of the clavicle plate 2, and a nut receiving groove 4 is provided at the top of the screw insertion groove 3. A locking screw 5 is provided in the middle of the screw insertion groove 3, and a nut 6 is provided at the top of the locking screw 5. A locking assembly 8 is provided on the side of the clavicle plate 2. Multiple screw insertion grooves 3 are evenly distributed in the middle of the clavicle plate 2. In the middle of 2, a nut receiving groove 4 is provided at the top of the screw insertion groove 3, and the nut receiving groove 4 and the screw insertion groove 3 are interconnected. The nut receiving groove 4 and the screw insertion groove 3 are correspondingly arranged. A locking screw 5 is inserted in the middle of the nut receiving groove 4, and the locking screw 5 passes through the nut receiving groove 4 and the screw insertion groove 3. A nut 6 is fixedly connected to the top of the locking screw 5, and the bottom of the nut 6 contacts the bottom inner wall of the nut receiving groove 4. A cross groove 7 is provided in the middle of the top of the nut 6.

[0022] Please see Figure 1 , Figure 2 , Figure 4As shown, the locking assembly 8 includes a mounting groove 9. A T-shaped limiting groove 10 is provided at the top of the mounting groove 9, and a T-shaped limiting rail 11 is provided inside the T-shaped limiting groove 10. A connecting slide plate 18 is provided at the bottom of the T-shaped limiting rail 11, and a connecting flexible plate 13 is provided at the bottom of the connecting slide plate 18. An arc-shaped locking claw clamp 12 is provided on the side of the connecting slide plate 18. A limiting bolt 15 is provided at the bottom of the connecting flexible plate 13, and a rotating nut 16 is provided at the bottom of the limiting bolt 15. The mounting groove 9 is located on the side of the clavicle plate 2 near the bottom. There are two sliding grooves 9, symmetrically distributed on both sides of the clavicle plate 2. One end of the mounting groove 9 penetrates one side of the clavicle plate 2, and a T-shaped limiting groove 10 is provided at the top of the mounting groove 9. One end of the T-shaped limiting groove 10 also penetrates one side of the clavicle plate 2. The T-shaped limiting groove 10 and the mounting groove 9 are interconnected. A T-shaped limiting slide rail 11 is slidably connected inside the T-shaped limiting groove 10, and the bottom end of the T-shaped limiting slide rail 11 is connected to the inside of the mounting groove 9. A connecting slide plate 18 is fixedly connected to the bottom of the T-shaped limiting slide rail 11, and a connecting flexible plate 13 is fixedly connected to the bottom of the connecting slide plate 18. The bottom of the connecting slide plate 18 is slidably connected to the inner wall of the bottom of the mounting slide 9. An arc-shaped locking claw 12 is fixedly connected to the side of the connecting slide plate 18, and the arc-shaped locking claw 12 is correspondingly set to the mounting slide 9. A limiting groove 14 is formed at the bottom of the mounting slide 9, and the bottom end of the limiting groove 14 penetrates the bottom of the clavicle plate 2. Multiple limiting grooves 14 are evenly distributed in the middle of the bottom of the mounting slide 9. A groove 17 is provided at the bottom of the limiting groove 14, and the groove 17 is correspondingly set to the limiting groove 14. A limiting bolt 15 is threadedly connected to the middle of the limiting groove 14, and the top of the limiting bolt 15 contacts the connecting flexible plate 13. The bottom of the positioning bolt 15 is fixedly connected to a rotating nut 16, which is used to fix the clavicle plate 2 through the locking assembly 8. The arc-shaped locking claw 12 is slidably connected to the connecting slide plate 18 inside the mounting groove 9. The limiting bolt 15 passes through the limiting groove 14 and is connected to the connecting soft plate 13, thereby realizing the positioning connection between the arc-shaped locking claw 12 and the connecting slide plate 18, which facilitates the installation and removal of the arc-shaped locking claw 12. The arc-shaped locking claw 12 is engaged at the fracture site to improve the locking effect of the clavicle plate 2, making the device suitable for users of different ages and improving the practicality of the device.

[0023] It should be noted that this utility model is a bone plate locking device. In use, the connecting slide plate 18 at one end of the arc-shaped locking claw clamp 12 is slidably connected to the inside of the mounting groove 9. The T-shaped limiting slide rail 11 at the top of the connecting slide plate 18 is slidably connected to the inside of the T-shaped limiting slide rail 11, thereby achieving a limiting connection of the connecting slide plate 18, thus limiting the connection between the arc-shaped locking claw clamp 12 and the clavicle plate 2. Adjusting the position of the arc-shaped locking claw clamp 12, the limiting bolt 15 is inserted from the inside of the groove 17 into the inside of the limiting groove 14. The limiting bolt 15 passes through the limiting groove 14 and connects to the connecting flexible plate 13 at the bottom of the connecting slide plate 18, thereby achieving a limiting connection of the connecting slide plate 18. The limiting connection between plate 18 and arc-shaped locking claw 12 allows the rotating nut 16 to be stored inside the groove 17, reducing the impact on the user. Then, the clavicle plate 2 is placed in the position that needs to be fixed, and the arc-shaped locking claw 12 is bent so that it snaps into the position that needs to be locked, so that the device can fix the fracture position in a ring shape without the need for screw fixation, improving the practicality of the device. In addition, the clavicle plate 2 has a screw insertion groove 3 and a nut receiving groove 4 in the middle, so that the locking screw 5 and nut 6 can pass through the nut receiving groove 4 and the screw insertion groove 3 to lock the clavicle plate 2, making the device suitable for different locking methods and improving the ease of use of the device.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A bone plate locking device, comprising a clavicle body (1), characterized in that: The clavicle body (1) includes a clavicle plate (2), a screw insertion groove (3) is provided in the middle of the clavicle plate (2), and a nut receiving groove (4) is provided at the top of the screw insertion groove (3). A locking screw (5) is provided in the middle of the screw insertion groove (3), and a nut (6) is provided at the top of the locking screw (5). A locking assembly (8) is provided on the side of the clavicle plate (2). The locking assembly (8) includes a mounting groove (9), the top of which is provided with a T-shaped limiting groove (10), and the interior of the T-shaped limiting groove (10) is provided with a T-shaped limiting rail (11). The bottom of the T-shaped limiting rail (11) is provided with a connecting slide plate (18), and the bottom of the connecting slide plate (18) is provided with a connecting flexible plate (13). The side of the connecting slide plate (18) is provided with an arc-shaped locking claw clamp (12), and the bottom of the connecting flexible plate (13) is provided with a limiting bolt (15), and the bottom of the limiting bolt (15) is provided with a rotating nut (16).

2. The bone plate locking device according to claim 1, characterized in that: The clavicle plate (2) has a screw insertion groove (3) in the middle, and there are multiple screw insertion grooves (3) evenly distributed in the middle of the clavicle plate (2). The top of the screw insertion groove (3) has a nut receiving groove (4), and the nut receiving groove (4) and the screw insertion groove (3) are interconnected. The nut receiving groove (4) and the screw insertion groove (3) are correspondingly arranged.

3. The bone plate locking device according to claim 2, characterized in that: A locking screw (5) is inserted in the middle of the nut receiving groove (4), and the locking screw (5) passes through the nut receiving groove (4) and the screw insertion groove (3). A nut (6) is fixedly connected to the top of the locking screw (5), and the bottom of the nut (6) is in contact with the bottom inner wall of the nut receiving groove (4). A cross groove (7) is opened in the middle of the top of the nut (6).

4. The bone plate locking device according to claim 1, characterized in that: The clavicle plate (2) has a mounting groove (9) on its side, and the mounting groove (9) is located near the bottom of the side of the clavicle plate (2). There are two mounting grooves (9), which are symmetrically distributed on both sides of the clavicle plate (2). One end of the mounting groove (9) penetrates one side of the clavicle plate (2), and a T-shaped limiting groove (10) is provided at the top of the mounting groove (9). One end of the T-shaped limiting groove (10) penetrates one side of the clavicle plate (2). The T-shaped limiting groove (10) and the mounting groove (9) are interconnected.

5. A bone plate locking device according to claim 4, characterized in that: The T-shaped limiting slide groove (10) is slidably connected to a T-shaped limiting slide rail (11), and the bottom end of the T-shaped limiting slide rail (11) is connected to the interior of the mounting slide groove (9). The bottom of the T-shaped limiting slide rail (11) is fixedly connected to a connecting slide plate (18), and the bottom of the connecting slide plate (18) is fixedly connected to a connecting flexible plate (13). The bottom of the connecting flexible plate (13) is slidably connected to the bottom inner wall of the mounting slide groove (9).

6. The bone plate locking device according to claim 5, characterized in that: The side of the connecting slide plate (18) is fixedly connected with an arc-shaped locking claw clamp (12), and the arc-shaped locking claw clamp (12) is correspondingly set with the mounting slide groove (9). The bottom of the mounting slide groove (9) is provided with a limiting groove (14), and the bottom end of the limiting groove (14) penetrates the bottom of the clavicle plate (2). There are multiple limiting grooves (14), which are evenly distributed in the middle of the bottom of the mounting slide groove (9). The bottom of the limiting groove (14) is provided with a groove (17), and the groove (17) is correspondingly set with the limiting groove (14). The middle of the limiting groove (14) is connected by a limiting bolt (15) through a thread, and the top of the limiting bolt (15) is in contact with the connecting soft plate (13). The bottom of the limiting bolt (15) is fixedly connected with a rotating nut (16).