Bone fracture plate for greater tuberosity of humerus

By designing a humeral large tuberous bone junction plate containing head plate, vertical plate, fixing hole and Kerry pinhole, the problem of poor fixation of existing bone junction plates is solved, and more stable bone block fixation is achieved, especially suitable for elderly patients or osteoporosis.

CN222708363UActive Publication Date: 2025-04-04PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)
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Patent Information

Application Number
CN202421131706.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-04-04
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing humeral large tuberosity bone plates are not effective when fixing bone blocks, which can easily lead to the re-displacement of the bone blocks, especially in elderly patients or osteoporosis.

Method used

A humeral large tuberous bone joint plate is designed, including a head plate and a vertical plate, equipped with fixing holes and K-R-Pinholes. The K-R-Pinholes include edge K-R-Pinholes and inner K-R-Pinholes, which are used to temporarily fix the bone joint plate and crushed bone blocks.

Benefits of technology

Through this design, the fixation stability of the bone plate and humerus is increased, and the re-displacement of the bone mass is avoided, especially in the case of osteoporosis or bone mass breakage, which improves the fixation effect during fracture recovery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a bone fracture plate for greater tuberosity of humerus, and belongs to the technical field of medical instruments. The utility model provides a humerus greater tubercle bone fracture plate which comprises a bone fracture plate body, the bone fracture plate body comprises a head plate and a vertical plate, the head plate is arranged at the upper end of the vertical plate, the head plate and the vertical plate are attached to the bone surface, and fixing holes and kirschner wire holes are formed in the head plate and the vertical plate. The Kirschner wire holes comprise the edge Kirschner wire holes and the internal Kirschner wire holes, the edge Kirschner wire holes are arranged along the edge of the bone fracture plate body, a wire passing groove is formed in one side of each edge Kirschner wire hole, and the wire passing grooves are formed in the bottom face, close to the bone surface, of the bone fracture plate body and between the edges of the edge Kirschner wire holes and the edge of the bone fracture plate body. The internal kirschner wire hole is arranged in the head plate. According to the bone fracture plate for the greater tuberosity of the humerus provided by the utility model, the thread passing groove is beneficial to temporary fixation of the bone fracture plate body and suturing and fixation of crushed bone blocks and fractured rotator sleeves.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical instruments, and in particular relates to a greater tuberosity of humerus bone fracture plate. Background Art

[0002] The humerus is located in the upper arm and is a typical long bone that can be divided into two ends. The upper end of the humerus is composed of the humeral head, humeral neck, greater tuberosity and lesser tuberosity. Greater tuberosity fracture is a common traumatic shoulder disease in clinical practice. Screws and plates are generally used for fixation during surgery for greater tuberosity fractures. During bone recovery, the plate can avoid bone displacement, facilitate early functional rehabilitation for patients, and maximize the restoration of the function of the fractured bone. However, the bone in the greater tuberosity is relatively loose, especially for elderly patients with more porous bones and more broken bones. The currently commonly used greater tuberosity plate or other plates cannot effectively fix the bone blocks when fixing greater tuberosity fractures. When the greater tuberosity bone blocks are broken, the bone blocks are easily displaced again under the traction of these muscles, and the fixation effect of the plate and the humerus is not good. Utility Model Content

[0003] The utility model aims to provide a greater tuberosity of humerus bone fracture plate, aiming to solve the problem that bone blocks are easily displaced and the fixation effect between the bone fracture plate and the humerus is poor.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a greater tuberosity of humerus bone fracture plate, including a bone fracture plate body, the bone fracture plate body including a head plate and a vertical plate, the head plate is arranged at the upper end of the vertical plate, the head plate and the vertical plate are arranged in contact with the bone surface, the head plate and the vertical plate are provided with fixing holes and Kirschner wire holes, the Kirschner wire holes include edge Kirschner wire holes and internal Kirschner wire holes, the edge Kirschner wires are arranged along the edge of the bone fracture plate body, one side of the edge Kirschner wire holes is provided with a wire passing groove, the wire passing groove is arranged on the bottom surface of the bone fracture plate body close to the bone surface, and is arranged between the edge of the edge Kirschner wire hole and the edge of the bone fracture plate body, and the internal Kirschner wire hole is arranged inside the head plate.

[0005] In a possible implementation manner, the lower end of the right side of the head panel is located below the lower end of the left side of the head panel.

[0006] In a possible implementation, the edge K-wire holes are provided at the edges of the left end, the upper end and the right end of the head plate, and the edge K-wire holes are provided at the upper end and the middle edge of the left edge of the vertical plate.

[0007] In a possible implementation manner, a breaking groove is provided on the bottom surface of the head plate.

[0008] In a possible implementation, the breaking groove is arranged from a lower end of the right side of the head plate toward an upper end of the left side of the head plate.

[0009] In a possible implementation, the fixing holes include locking circular holes and locking long holes, multiple groups of the locking circular holes are arranged at the upper right end of the head plate and the lower end of the head plate, and multiple groups of the locking long holes are arranged along the length direction of the vertical plate.

[0010] In a possible implementation manner, a group of locking circular holes is provided between two groups of locking long holes.

[0011] In a possible implementation, the axis of the bolt hole of the locking long hole for implanting the fixing bolt is arranged at an angle, and the axis of the locking round hole is arranged at an angle.

[0012] In a possible implementation, the bolt holes and the locking circular holes of the vertical plate have the same inclination angle.

[0013] In a possible implementation manner, the inclination angles of the axes of the locking circular holes of the head plate are inconsistent.

[0014] The utility model provides a greater tuberosity of humerus bone fracture plate with the following beneficial effects:

[0015] Compared with the prior art, the present invention comprises a bone plate body, the bottom surface of which is arranged in contact with the bone surface, thereby improving the adaptability of the bone plate body; the bone plate body comprises a head plate and a vertical plate, the head plate is arranged at the upper end of the vertical plate, a fixing hole and a Kirschner wire hole are arranged on the bone plate body, the fixing hole is suitable for the implantation of a fixing bolt, the Kirschner wire hole is suitable for the insertion of a Kirschner wire, and the bone plate body is temporarily fixed, the Kirschner wire hole comprises an edge Kirschner wire hole and an internal Kirschner wire hole, the edge Kirschner wire hole is arranged along the edge of the bone plate body, the internal Kirschner wire hole is arranged inside the head plate, a wire groove is arranged on the bottom surface of the bone plate body, the wire groove is arranged from the edge of the edge Kirschner wire hole toward the edge of the bone plate body, thereby facilitating the fixation of sutures, the Kirschner wire hole and the wire groove are helpful for the temporary fixation of the bone plate body, and are helpful for the suture fixation of the crushed bone fragments and the ruptured rotator cuff, thereby avoiding the slippage of the sutures and increasing the stability of the fixation of the bone plate body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic front view of the structure of a bone plate for fixing the greater tuberosity of the humerus on the left side provided by an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the rear structure of a bone plate for fixing the greater tuberosity of the humerus on the left side provided by an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the three-dimensional structure of a bone plate for fixing the greater tuberosity of the humerus on the left side provided by an embodiment of the utility model Figure 1 ;

[0020] Figure 4 A schematic diagram of the three-dimensional structure of a bone plate for fixing the greater tuberosity of the humerus on the left side provided by an embodiment of the utility model Figure 2 ;

[0021] Figure 5 A schematic diagram of a three-dimensional structure of a bone plate for fixing the greater tuberosity of the humerus on the right side provided by an embodiment of the utility model Figure 1 ;

[0022] Figure 6 A schematic diagram of a three-dimensional structure of a bone plate for fixing the greater tuberosity of the humerus on the right side provided by an embodiment of the utility model Figure 2 .

[0023] In the figure: 1. Head plate; 2. Vertical plate; 3. Edge Kirschner wire hole; 4. Wire groove; 5. Internal Kirschner wire hole; 6. Locking round hole; 7. Locking long hole; 8. Bolt hole; 9. Breaking groove. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] Please refer to Figures 1 to 6 A specific embodiment of a greater tuberosity of humerus bone fracture plate provided by the utility model is now described, including a bone fracture plate body, the bone fracture plate body including a head plate 1 and a vertical plate 2, the head plate 1 is arranged at the upper end of the vertical plate 2, the head plate 1 and the vertical plate 2 are arranged in contact with the bone surface, and fixing holes and Kirschner wire holes are arranged on the head plate 1 and the vertical plate 2, the Kirschner wire holes include edge Kirschner wire holes 3 and internal Kirschner wire holes 5, the edge Kirschner wires are arranged along the edge of the bone fracture plate body, and a wire groove 4 is arranged on one side of the edge Kirschner wire hole 3, the wire groove 4 is arranged on the bottom surface of the bone fracture plate body close to the bone surface, and is arranged between the edge of the edge Kirschner wire hole 3 and the edge of the bone fracture plate body, and the internal Kirschner wire hole 5 is arranged inside the head plate 1.

[0026] The utility model provides a humeral greater tuberosity bone fracture plate, compared with the prior art, comprising a bone fracture plate body, the bottom surface of the bone fracture plate body is arranged in contact with the bone surface, and the adaptability of the bone fracture plate body is improved, the bone fracture plate body comprises a head plate 1 and a vertical plate 2, the head plate 1 is arranged at the upper end of the vertical plate 2, a fixing hole and a Kirschner wire hole are arranged on the bone fracture plate body, the fixing hole is suitable for the implantation of the fixing bolt, the Kirschner wire hole is suitable for the insertion of the Kirschner wire, and the bone fracture plate body is temporarily fixed, the Kirschner wire hole comprises an edge Kirschner wire hole 3 and an inner The Kirschner wire holes 5 are arranged at the inner part, the edge Kirschner wire holes 3 are arranged along the edge of the plate body, the inner Kirschner wire holes 5 are arranged inside the head plate 1, and the wire groove 4 is arranged on the bottom surface of the plate body. The wire groove 4 is arranged from the edge of the edge Kirschner wire holes 3 toward the edge of the plate body, which is convenient for fixing the sutures. The Kirschner wire holes and the wire groove 4 are helpful for temporary fixation of the plate body, and for suturing and fixing the crushed bone fragments and the ruptured rotator cuff, avoiding slippage of the sutures, and increasing the stability of the fixation of the plate body.

[0027] For details, please refer to Figures 1 to 6 , taking the greater tuberosity of humerus bone plate for fixing the greater tuberosity of humerus on the left side as an example for explanation, the greater tuberosity of humerus bone plate for fixing the greater tuberosity of humerus on the right side is symmetrically arranged with the greater tuberosity of humerus bone plate for fixing the greater tuberosity of humerus on the left side, the edge of the bone plate body is arranged in an arc, the bone plate body includes a head plate 1 and a vertical plate 2, the head plate 1 is arranged at the upper end of the vertical plate 2, the fixing hole and the Kirschner wire hole are arranged on the bone plate body, the Kirschner wire passes through the Kirschner wire hole for temporary fixation of the bone plate body, the fixing bolt passes through the fixing hole for fixation of the bone plate body, the Kirschner wire hole includes an edge Kirschner wire hole 3 and Internal Kirschner wire holes 5, multiple groups of edge Kirschner wire holes 3 are distributed along the edge of the bone plate body, multiple groups of internal Kirschner wire holes 5 are arranged on the head plate 1, and are arranged away from the edge of the head plate 1, and two groups of internal Kirschner wire holes 5 are arranged, and the two groups of internal Kirschner wire holes 5 are arranged along from the lower end of the right side of the head plate 1 toward the upper end of the left side of the head plate 1. The wire groove 4 is arranged on the side of the edge Kirschner wire hole 3 close to the edge of the bone plate body. The wire groove 4 connects the edge of the edge Kirschner wire hole 3 and the edge of the bone plate body, which is convenient for placing sutures, avoiding suture slippage, and increasing the stability of the fixation of the bone plate body.

[0028] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 , the lower end of the right side of the head panel 1 is located below the lower end of the left side of the head panel 1.

[0029] For details, please refer to Figures 1 to 4 The right side of the lower end of the head plate 1 is lower than the left side, fitting the bone surface of the patient.

[0030] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 The edges of the left end, upper end and right end of the head plate 1 are provided with edge Kirschner wire holes 3, and the upper end and middle edge of the left edge of the vertical plate 2 are provided with edge Kirschner wire holes 3.

[0031] For details, please refer to Figures 1 to 4 Five groups of edge Kirschner wire holes 3 are arranged along the edges of the left end, the upper end and the right end of the head plate 1, a group of edge Kirschner wire holes 3 is arranged at the upper end of the left edge of the vertical plate 2, and two groups of edge Kirschner wire holes 3 are arranged in the middle of the vertical plate 2, which are respectively arranged on the left and right sides of the vertical plate 2, and the two groups of edge Kirschner wire holes 3 are arranged opposite to each other.

[0032] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 The bottom surface of the head plate 1 is provided with a breaking groove 9.

[0033] For details, please refer to Figures 1 to 4 The breaking groove 9 is arranged on the bottom surface of the head plate 1. According to the actual situation of the patient, the head plate 1 can be broken along the breaking groove 9 to adapt to the conditions of various patients.

[0034] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 The breaking groove 9 is arranged from the lower end of the right side of the head plate 1 toward the upper end of the left side of the head plate 1 .

[0035] For details, please refer to Figures 1 to 4 The breaking groove 9 connects the lower end of the right side of the head plate 1 and the upper end of the left side of the head plate 1 , and the breaking groove 9 is located at the upper right of the two groups of internal Kirschner wire holes 5 .

[0036] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 The fixing holes include locking circular holes 6 and locking long holes 7. Multiple groups of locking circular holes 6 are arranged at the upper right end of the head plate 1 and the lower end of the head plate 1. Multiple groups of locking long holes 7 are arranged along the length direction of the vertical plate 2.

[0037] For details, please refer to Figures 1 to 4The fixing holes include locking circular holes 6 and locking long holes 7. Five groups of locking circular holes 6 are arranged on the head plate 1. Two groups of locking circular holes 6 are arranged at the upper right of the two groups of internal Kirschner wire holes 5. The two groups of locking circular holes 6 are located on the inner side of the three groups of edge Kirschner wire holes 3 at the upper right of the head plate 1, and the two groups of locking circular holes 6 are respectively arranged between the two adjacent groups of edge Kirschner wire holes 3. The three groups of locking circular holes 6 are arranged at the lower left of the two groups of internal Kirschner wire holes 5 and are arranged along the lower end of the head plate 1. Two groups of locking long holes 7 are arranged along the length direction of the vertical plate 2. The bolt hole 8 for implanting the fixing bolt of the locking long hole 7 at the upper end of the vertical plate 2 is arranged close to the upper end of the vertical plate 2, and the bolt hole 8 for implanting the fixing bolt of the locking long hole 7 at the lower end of the vertical plate 2 is arranged close to the lower end of the vertical plate 2.

[0038] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 A group of locking circular holes 6 is arranged between the two groups of locking long holes 7.

[0039] For details, please refer to Figures 1 to 4 A group of locking circular holes 6 is arranged between two groups of locking long holes 7.

[0040] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 The axis of the bolt hole 8 for implanting the fixing bolt of the locking long hole 7 is set at an angle, and the axis of the locking round hole 6 is set at an angle.

[0041] For details, please refer to Figures 1 to 4 The axis of the bolt hole 8 for implanting the fixing bolt of the locking long hole 7 is tilted, and the angle between the axis of the bolt hole 8 and the vertical direction is between 5° and 30°.

[0042] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 The bolt hole 8 and the locking circular hole 6 of the vertical plate 2 have the same inclination angle, and are inclined from the upper end of the top surface of the vertical plate 2 to the lower end of the bottom surface.

[0043] For details, please refer to Figures 1 to 4 , the bolt holes 8 and the locking circular holes 6 of the vertical plate 2 have the same inclination angle.

[0044] As a specific implementation of the greater tuberosity of humerus bone fracture plate provided by the utility model, please refer to Figures 1 to 4 , the inclination angles of the axes of the locking circular holes 6 of the head plate 1 are inconsistent.

[0045] For details, please refer to Figures 1 to 4The inclination angle of the axis of the locking circular hole 6 of the head plate 1 is inconsistent with the inclination angle of the axis of the bolt hole 8 of the locking long hole 7 for implanting the fixing bolt. The inclination angles of the five groups of locking circular holes 6 of the head plate 1 are not completely consistent. The fixing bolts of the head plate 1 are cross-fixed to increase the stability of the fixation.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A greater tuberosity of humerus bone plate, characterized in that: It includes a bone fracture plate body, which includes a head plate and a vertical plate. The head plate is arranged at the upper end of the vertical plate. The head plate and the vertical plate are arranged in contact with the bone surface. The head plate and the vertical plate are provided with fixing holes and Kirschner wire holes. The Kirschner wire holes include edge Kirschner wire holes and internal Kirschner wire holes. The edge Kirschner wires are arranged along the edge of the bone fracture plate body. A wire groove is arranged on one side of the edge Kirschner wire hole. The wire groove is arranged on the bottom surface of the bone fracture plate body close to the bone surface and between the edge of the edge Kirschner wire hole and the edge of the bone fracture plate body. The internal Kirschner wire hole is arranged inside the head plate.

2. A greater tuberosity of humerus bone fracture plate as claimed in claim 1, characterized in that: The lower end of the right side of the head panel is located below the lower end of the left side of the head panel.

3. A greater tuberosity of humerus bone plate as claimed in claim 2, characterized in that: The edge of the left end, the upper end and the right end of the head plate are provided with the edge Kirschner wire holes, and the edge of the upper end and the middle part of the left edge of the vertical plate are provided with the edge Kirschner wire holes.

4. A greater tuberosity of humerus bone fracture plate as claimed in claim 2, characterized in that: The bottom surface of the head plate is provided with a breaking groove.

5. A greater tuberosity of humerus bone fracture plate as claimed in claim 4, characterized in that: The breaking groove is arranged from the lower end of the right side of the head plate toward the upper end of the left side of the head plate.

6. A greater tuberosity bone plate as claimed in claim 2, characterized in that: The fixing holes include locking circular holes and locking long holes, multiple groups of the locking circular holes are arranged at the upper right end of the head plate and the lower end of the head plate, and multiple groups of the locking long holes are arranged along the length direction of the vertical plate.

7. A greater tuberosity bone fracture plate as claimed in claim 6, characterized in that: A group of locking circular holes is arranged between the two groups of locking long holes.

8. A greater tuberosity bone fracture plate as claimed in claim 7, characterized in that: The axis of the bolt hole of the locking long hole for implanting the fixing bolt is arranged tilted, and the axis of the locking round hole is arranged tilted.

9. A greater tuberosity bone fracture plate as claimed in claim 8, characterized in that: The bolt holes and the locking circular holes of the vertical plate have the same inclination angles.

10. The greater tuberosity bone fracture plate according to claim 9, characterized in that: The inclination angles of the axes of the locking circular holes of the head plate are inconsistent.