Guiding type correcting bone screw

By designing a guided corrective bone screw, and utilizing an arc-shaped protective plate, a guide plate, and an internally threaded ring structure, the problem of bone plate or bone cracking caused by bone screws was solved, achieving stable fixation and guidance, and improving the bone setting effect.

CN224206877UActive Publication Date: 2026-05-08TIBET HUANCHI MEDICAL INSTR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIBET HUANCHI MEDICAL INSTR CO LTD
Filing Date
2025-01-16
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing bone screws are prone to causing cracks in the bone plate or human bone during use, affecting the bone setting effect.

Method used

A guided corrective bone screw was designed, which adopts a symmetrically arranged arc-shaped protective plate, guide plate and internal threaded ring structure, and is connected by a rod and a hole. Combined with a locking screw, it can fix and guide the bone. The material is titanium alloy to increase the strength.

Benefits of technology

It effectively avoids bone cracking or fracture, improves bone setting results, and achieves stable fixation and guidance through the adjustable length of the arc-shaped protective plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a guiding type correcting bone screw which comprises arc-shaped protection plates which are symmetrically arranged, a first guiding plate and a second guiding plate are fixedly connected to the middle positions of the front side and the rear side of each arc-shaped protection plate respectively, and a groove is formed in one end of each arc-shaped protection plate. According to the bone protection device, the two arc-shaped protection plates are arranged on the two sides of the bone in a sleeving mode and connected end to end, the arranged internal thread rings are aligned with the grooves, the arranged second insertion rods are connected with the corresponding second insertion holes in an inserted mode, then the second insertion rods are in threaded connection with the internal thread rings through locking screws, and the second insertion rods are connected with the bone through the locking screws; the number of the arc-shaped protection plates can be selected according to the required length, and the arc-shaped protection plates on the front side and the rear side can be connected through first insertion rods and first insertion holes on a first guide plate and a second guide plate; and through the arrangement of the first guide plate and the second guide plate, the guiding and reinforcing effects can be achieved.
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Description

Technical Field

[0001] This utility model relates to the field of guided corrective bone screw technology, and in particular to a guided corrective bone screw. Background Technology

[0002] Bone setting involves two steps: bone realignment and medication. Bone realignment is the first step, and the key to treatment is medication to promote rapid callus growth and facilitate quick healing of the broken bone for complete recovery. Bone realignment is the process of repositioning the fractured area. It involves surgically correcting any misalignment caused by external force, followed by internal or external fixation (depending on the location and severity of the injury) to prevent further displacement. Bone screws are non-active surgical implants used for bone joining. They are commonly used to directly fix bone fragments or in conjunction with other implants (such as plates or intramedullary nails) to fix fractures.

[0003] In bone setting, most current bone screws directly connect the bone to the bone using a bone plate and screw. This can lead to cracking of the bone plate or the bone itself, affecting the effectiveness of the screw in the bone setting process. To overcome these disadvantages, this invention provides a guided corrective bone screw. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a guided corrective bone screw.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a guide-type corrective bone screw, comprising symmetrically arranged arc-shaped protective plates, wherein a first guide plate and a second guide plate are fixedly connected to the middle positions of the front and rear sides of the arc-shaped protective plates respectively, one end of the arc-shaped protective plate is provided with a groove, and the other end of the arc-shaped protective plate is fixedly connected with an internal threaded ring.

[0006] Furthermore, two first insert rods are fixedly connected to one end of the first guide plate.

[0007] Furthermore, the second guide plate has two first insertion holes at one end, and the first insertion rod is inserted and connected to the corresponding first insertion hole.

[0008] Furthermore, two second insert rods are fixedly connected to one end of the arc-shaped protective plate in the groove.

[0009] Furthermore, the arc-shaped protective plate has two second insertion holes at one end of the internal threaded ring, and the second insertion rod is inserted and connected to the corresponding second insertion hole.

[0010] Furthermore, each of the internally threaded rings is threaded with a locking screw.

[0011] Furthermore, the arc-shaped protective plate, the first guide plate, the second guide plate, and the internal threaded ring are all integral die-cast structures, and are all made of titanium alloy.

[0012] The beneficial effects of this utility model are:

[0013] In use, this utility model involves placing two arc-shaped protective plates on both sides of the bone and connecting them end to end. The internal threaded ring is aligned with the groove, and the second insert is inserted into the corresponding second hole. Then, a locking screw is threaded to the internal threaded ring and connected to the bone, thereby fixing the arc-shaped protective plates to the bone. The number of arc-shaped protective plates can be selected according to the required length. The arc-shaped protective plates on the front and rear sides can be connected through the first insert and the first hole on the first and second guide plates. The first and second guide plates serve to guide and reinforce the bone. Attached Figure Description

[0014] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 : Front view of this utility model;

[0016] Figure 2 : A schematic diagram of the disassembled structure of this utility model;

[0017] Figure 3 : A schematic diagram of the disassembled structure of this utility model;

[0018] Figure 4 : Schematic diagram of the first insertion hole structure of this utility model.

[0019] The attached figures are labeled as follows:

[0020] 1. Arc-shaped protective plate; 2. First guide plate; 3. Second guide plate; 4. Locking screw; 5. First insertion rod; 6. Groove; 7. Second insertion rod; 8. Internal threaded ring; 9. Second insertion hole; 10. First insertion hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figure 1-4 As shown, a guided corrective bone screw is involved, including symmetrically arranged arc-shaped protective plates 1. A first guide plate 2 and a second guide plate 3 are fixedly connected to the middle positions of the front and rear sides of the arc-shaped protective plate 1, respectively. A groove 6 is opened at one end of the arc-shaped protective plate 1, and an internal threaded ring 8 is fixedly connected to the other end of the arc-shaped protective plate 1.

[0023] As shown in the figure, two first insert rods 5 are fixedly connected to one end of the first guide plate 2, and two first insertion holes 10 are opened at one end of the second guide plate 3. The first insert rods 5 are inserted and connected to the corresponding first insertion holes 10. The number of arc-shaped protective plates 1 is selected according to the required length. The arc-shaped protective plates 1 on the front and rear sides can be connected through the first insert rods 5 and the first insertion holes 10 on the first guide plate 2 and the second guide plate 3. The first guide plate 2 and the second guide plate 3 can play a guiding and reinforcing role.

[0024] As shown in the figure, two second insert rods 7 are fixedly connected to one end of the arc-shaped protective plate 1 at the groove 6. Two second insert holes 9 are opened at one end of the arc-shaped protective plate 1 at the internal threaded ring 8. The second insert rods 7 are inserted and connected to the corresponding second insert holes 9. The two arc-shaped protective plates 1 are sleeved on both sides of the bone and connected end to end. The internal threaded ring 8 is aligned with the groove 6. The second insert rods 7 are inserted and connected to the corresponding second insert holes 9. Then, the internal threaded ring 8 is threadedly connected to the inner threaded ring 8 by the locking screw 4. The locking screw 4 is connected to the bone, thereby fixing the arc-shaped protective plate 1 to the bone.

[0025] As shown in the figure, the internal threaded ring 8 is threaded with locking screws 4.

[0026] As shown in the figure, the arc-shaped protective plate 1, the first guide plate 2, the second guide plate 3, and the internal threaded ring 8 are all integral die-cast structures, and all are made of titanium alloy, making the whole structure more robust.

[0027] Working principle: In use, two arc-shaped protective plates 1 are fitted onto both sides of the bone and connected end to end. The internal threaded ring 8 is aligned with the groove 6, and the second insertion rod 7 is inserted and connected to the corresponding second insertion hole 9. Then, the locking screw 4 is threadedly connected to the internal threaded ring 8 and connected to the bone, thereby fixing the arc-shaped protective plate 1 to the bone. The number of arc-shaped protective plates 1 is selected according to the required length. The first insertion rod 5 and the first insertion hole 10 on the first guide plate 2 and the second guide plate 3 can connect the arc-shaped protective plates 1 on the front and rear sides. The first guide plate 2 and the second guide plate 3 can play a guiding and reinforcing role.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A guided corrective bone screw, comprising symmetrically arranged arc-shaped protective plates (1), characterized in that: The arc-shaped protective plate (1) has a first guide plate (2) and a second guide plate (3) fixedly connected to the middle positions of the front and rear sides respectively. One end of the arc-shaped protective plate (1) has a groove (6), and the other end of the arc-shaped protective plate (1) is fixedly connected to an internal threaded ring (8).

2. The guided corrective bone screw according to claim 1, characterized in that: Two first insert rods (5) are fixedly connected to one end of the first guide plate (2).

3. The guided corrective bone screw according to claim 2, characterized in that: The second guide plate (3) has two first insertion holes (10) at one end, and the first insertion rod (5) is inserted and connected to the corresponding first insertion hole (10).

4. The guided corrective bone screw according to claim 1, characterized in that: The arc-shaped protective plate (1) is fixedly connected to two second insert rods (7) at one end of the groove (6).

5. The guided corrective bone screw according to claim 4, characterized in that: The arc-shaped protective plate (1) has two second insertion holes (9) at one end of the internal threaded ring (8), and the second insertion rod (7) is inserted and connected to the corresponding second insertion hole (9).

6. The guided corrective bone screw according to claim 1, characterized in that: Each of the internal threaded rings (8) is internally threaded with a locking screw (4).

7. The guided corrective bone screw according to claim 1, characterized in that: The arc-shaped protective plate (1), the first guide plate (2), the second guide plate (3), and the internal threaded ring (8) are all integral die-cast structures, and are all made of titanium alloy.