Tibial plateau fixation plate

By designing a tibial plateau fixation plate with a butterfly-shaped external plate, the problem of limited fixation of traditional tibial plateau fixation plates in single-point fractures has been solved, achieving enhanced fixation and flexible addition for local fractures, and improving the overall fixation effect.

CN224369947UActive Publication Date: 2026-06-19HUZHOU NO 1 PEOPLES HOSPITAL

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUZHOU NO 1 PEOPLES HOSPITAL
Filing Date
2025-04-01
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional tibial plateau fixation plates only fix a single point along the length of the tibia, which means that the expected fixation effect cannot be achieved when the fracture at a certain point is severe, resulting in limited fixation and poor overall effect.

Method used

A tibial plateau fixation plate was designed, which is used in conjunction with a butterfly-shaped external plate. The plate body has equidistantly arranged mounting holes and lateral notches. The butterfly-shaped external plate has an arm plate and mounting holes. It is fitted with the plate by limiting protrusions and fixed with screws to achieve enhanced fixation of local fractures. The position can be flexibly selected in the length direction of the plate.

Benefits of technology

It achieves enhanced fixation of the tibia in cases of aggravated local fractures, and the addition of the butterfly-shaped external plate is flexible and free. The overall function is complete and highly practical.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tibial plateau fixed steel sheet, including steel sheet body, be equipped with the side wing gap between two first installation hole of adjacent first installation hole, still include a butterfly outer connecting plate, butterfly outer connecting plate includes butterfly plate body, be equipped with the second installation hole of first installation hole matching on butterfly plate body, be equipped with the first arm plate of left upper extension, the second arm plate of left lower extension, the third arm plate of right upper extension, the fourth arm plate of right lower extension on butterfly plate body, be equipped with the third installation hole on first arm plate, be equipped with the fourth installation hole on second arm plate, be equipped with the fifth installation hole on third arm plate, be equipped with the sixth installation hole on fourth arm plate, the steel sheet can make the enhancement fixed to the tibia of local fracture degree aggravation through the butterfly outer connecting plate of additional installation and the matching of steel sheet body, and the position selection can be made in the length direction of steel sheet body to the butterfly outer connecting plate, and the flexible freedom of additional installation.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically, it relates to a tibial plateau fixation plate. Background Technology

[0002] A tibial plateau fixation plate is a medical device used to treat tibial plateau fractures. When combined with a multiple number of screws, it can fix the fractured tibia. Traditional tibial plateau fixation plates only fix a single point along the length of the tibia. If the fracture at any point is severe, the desired fixation effect cannot be achieved, resulting in limited fixation and poor overall results. Therefore, this invention proposes a tibial plateau fixation plate. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a tibial plateau fixation plate.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The tibial plateau fixation steel plate involved in this utility model includes a steel plate body extending along a straight line, a row of first mounting holes arranged at equal intervals along its length direction on the steel plate body, two symmetrically arranged side wing notches between two adjacent first mounting holes, the side wing notches are opened on the steel plate body, and the distance between two adjacent side wing notches is equal; it also includes a butterfly external plate used in conjunction with the steel plate body.

[0005] The present invention is further configured such that: the butterfly outer plate includes a butterfly plate body, the butterfly plate body has a second mounting hole that matches the first mounting hole, the butterfly plate body has a first arm plate extending to the upper left, a second arm plate extending to the lower left, a third arm plate extending to the upper right, and a fourth arm plate extending to the lower right, the first arm plate has a third mounting hole, the second arm plate has a fourth mounting hole, the third arm plate has a fifth mounting hole, and the fourth arm plate has a sixth mounting hole.

[0006] The present invention is further configured such that: one end of the butterfly plate body is provided with a through groove that extends vertically, and the steel plate body is embedded in the through groove.

[0007] The present invention is further configured such that: the left side of the through groove is provided with a left limiting protrusion that engages with the adjacent two-sided wing notches, and the right side of the through groove is provided with a right limiting protrusion that engages with the adjacent two-sided wing notches.

[0008] The present invention is further configured such that: the first arm plate, the second arm plate, the third arm plate and the fourth arm plate are each provided with a first groove and a second groove extending from one side to the other side, and the second groove extends in the opposite direction to the first groove.

[0009] The present invention is further configured such that: the third mounting hole is opened at the end of the first arm plate away from the butterfly plate body; the fourth mounting hole is opened at the end of the second arm plate away from the butterfly plate body; the fifth mounting hole is opened at the end of the third arm plate away from the butterfly plate body; and the sixth mounting hole is opened at the end of the fourth arm plate away from the butterfly plate body.

[0010] The present invention is further configured such that: the diameters of the third mounting hole, the fourth mounting hole, the fifth mounting hole, and the sixth mounting hole are equal; the diameters of the first mounting hole and the second mounting hole are equal; and the diameter of the third mounting hole is smaller than the diameter of the first mounting hole.

[0011] In summary, the present invention has the following beneficial effects: the tibial plateau fixation plate involved in the present invention, by adding a butterfly external plate that matches the plate body, can enhance the fixation of the tibia with aggravated local fracture. Moreover, the butterfly external plate can be positioned in the length direction of the plate body, making the installation flexible and free. The overall function is complete and the practicality is strong. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a partial structural schematic diagram of the present invention. Detailed Implementation

[0014] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of this utility model, and not for limiting the patent claims of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0015] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0016] Example 1

[0017] See Figure 1 and Figure 2As shown, the tibial plateau fixation plate involved in this embodiment includes a plate body 100 extending in a straight line. A row of first mounting holes 101 are provided on the plate body 100, which are equidistantly arranged along its length. Two lateral notches 102 are provided between two adjacent first mounting holes 101, which are arranged symmetrically from left to right. The lateral notches 102 are provided on the plate body 100, and the distance between two adjacent lateral notches 102 is equal. It also includes a butterfly external plate 200 used in conjunction with the plate body 100.

[0018] Furthermore, the butterfly external plate 200 includes a butterfly plate body 201. The butterfly plate body 201 has a second mounting hole 202 that matches the first mounting hole. The butterfly plate body 201 is provided with a first arm plate 203 extending to the upper left, a second arm plate 204 extending to the lower left, a third arm plate 205 extending to the upper right, and a fourth arm plate 206 extending to the lower right. The first arm plate has a third mounting hole 207, the second arm plate has a fourth mounting hole 208, the third arm plate has a fifth mounting hole 209, and the fourth arm plate has a sixth mounting hole 210.

[0019] Furthermore, one end of the butterfly plate body 201 is provided with a through groove 211 that extends vertically, and the steel plate body 100 is embedded in the through groove 211.

[0020] Furthermore, the left side of the through groove 211 is provided with a left limiting protrusion 212 that engages with the adjacent two-sided wing notches, and the right side of the through groove 211 is provided with a right limiting protrusion 213 that engages with the adjacent two-sided wing notches.

[0021] Furthermore, the diameters of the third mounting hole 207, the fourth mounting hole 208, the fifth mounting hole 209, and the sixth mounting hole 210 are equal; the diameters of the first mounting hole 101 and the second mounting hole 202 are equal; and the diameter of the third mounting hole 207 is smaller than the diameter of the first mounting hole 101.

[0022] In this embodiment, with the through groove 211 and the left limiting protrusion 212 and right limiting protrusion 213, the butterfly outer plate 200 can be installed at a certain position along the length of the steel plate body 100. Furthermore, when using screws for reinforcement, four extended arm plates can be used for localized secondary fixation, resulting in a better reinforcement effect.

[0023] Example 2

[0024] See Figure 1 and Figure 2As shown, the tibial plateau fixation plate involved in this embodiment is further configured, based on embodiment 1, with the first arm plate 203, the second arm plate 204, the third arm plate 205 and the fourth arm plate 206 each having a first groove 214 and a second groove 215 extending from one side to the other, the second groove 215 extending in the opposite direction to the first groove 214.

[0025] In this embodiment, the first groove 214 and the second groove 215 make the middle section of the first arm plate 203, the second arm plate 204, the third arm plate 205 and the fourth arm plate 206 elastic and easily deformable, so that they can better fit the bone surface when tightened with screws.

[0026] Example 3

[0027] See Figure 1 and Figure 2 As shown, the tibial plateau fixation plate involved in this embodiment is further configured based on embodiment 1, wherein the third mounting hole 207 is opened at the end of the first arm plate away from the butterfly plate body; the fourth mounting hole 208 is opened at the end of the second arm plate away from the butterfly plate body; the fifth mounting hole 209 is opened at the end of the third arm plate away from the butterfly plate body; and the sixth mounting hole 210 is opened at the end of the fourth arm plate away from the butterfly plate body.

[0028] In this embodiment, by arranging the mounting holes at the distal end of the arm plate, the middle section of the arm plate is lengthened, which facilitates deformation and helps to fix the peripheral surface of the tibia.

[0029] The tibial plateau fixation plate involved in this utility model can enhance the fixation of the tibia with aggravated local fracture by adding a butterfly external plate that matches the plate body. The butterfly external plate can be positioned in the length direction of the plate body, making the installation flexible and free. The overall function is complete and the practicality is strong.

[0030] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the actual orientation or positional relationship shown. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the embodiments and according to the specific circumstances.

[0031] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A tibial plateau fixation plate, comprising a plate body extending along a straight line, wherein a row of first mounting holes are equidistantly arranged along the length of the plate body, characterized in that: Two symmetrically arranged side notches are provided between two adjacent first mounting holes. The side notches are opened on the steel plate body and the spacing between two adjacent side notches is equal. It also includes a butterfly external plate that is used in conjunction with the steel plate body.

2. The tibial plateau fixation plate according to claim 1, characterized in that: The butterfly outer plate includes a butterfly plate body, on which a second mounting hole is provided that matches the first mounting hole. The butterfly plate body is provided with a first arm plate extending to the upper left, a second arm plate extending to the lower left, a third arm plate extending to the upper right, and a fourth arm plate extending to the lower right. The first arm plate is provided with a third mounting hole, the second arm plate is provided with a fourth mounting hole, the third arm plate is provided with a fifth mounting hole, and the fourth arm plate is provided with a sixth mounting hole.

3. The tibial plateau fixation plate according to claim 2, characterized in that: One end of the butterfly plate body is provided with a through groove that extends vertically, and the steel plate body is embedded in the through groove.

4. The tibial plateau fixation plate according to claim 3, characterized in that: The left side of the through groove is provided with a left limiting protrusion that engages with the adjacent two-sided wing notches, and the right side of the through groove is provided with a right limiting protrusion that engages with the adjacent two-sided wing notches.

5. The tibial plateau fixation plate according to any one of claims 2-4, characterized in that: The first arm plate, the second arm plate, the third arm plate and the fourth arm plate are each provided with a first groove and a second groove extending from one side to the other, and the second groove extends in the opposite direction to the first groove.

6. The tibial plateau fixation plate according to claim 5, characterized in that: The third mounting hole is located at the end of the first arm plate away from the butterfly plate body; the fourth mounting hole is located at the end of the second arm plate away from the butterfly plate body; the fifth mounting hole is located at the end of the third arm plate away from the butterfly plate body; and the sixth mounting hole is located at the end of the fourth arm plate away from the butterfly plate body.

7. The tibial plateau fixation plate according to claim 6, characterized in that: The diameters of the third, fourth, fifth, and sixth mounting holes are equal; the diameters of the first and second mounting holes are equal; and the diameter of the third mounting hole is smaller than the diameter of the first mounting hole.