CN210019606U

CN210019606U - Universal bone fracture plate for radius

Info

Publication number: CN210019606U
Application number: CN201920284193.6U
Authority: CN
Inventors: 郑洋; 朱海涛; 姬长远
Original assignee: WUXI WENTAI BAIDE MEDICAL DEVICES Co Ltd
Current assignee: WUXI WENTAI BAIDE MEDICAL DEVICES Co Ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-02-07
Anticipated expiration: 2029-03-06

Abstract

The utility model discloses a universal coaptation board of radius, including the head and with head integrated into one piece's cadre, the dissection type that is predetermined angle between the two is buckled, the head includes the bottom section of being connected with the cadre and the outstanding section of stretching out to the cadre both sides along the bottom section, through circular arc section smooth transition between two outstanding sections. The utility model discloses in, this coaptation board provides the fixed selection of a plurality of angles and mode, can adapt to the different grade type of radius fracture, makes the coaptation board fix well at the fracture position to realize better internal fixation effect.

Description

Universal bone fracture plate for radius

Technical Field

The utility model relates to an orthopedics internal fixation device technical field, concretely relates to universal coaptation board of radius.

Background

The fracture of the distal radius is one of the longest fracture types in clinic at present, which accounts for 1/10 of ordinary fractures and is mostly seen in the elderly. The distal radius fracture occurs within 2-3 cm of the distal radius, and is often accompanied by damage to the wrist joint and the ulnar-radial joint.

The surgical treatment of distal radius fractures includes both external fixation and internal fixation. The internal fixation therapy is a clinical common treatment mode. Among the internal fixation treatment methods, the bone plate and nail system is one of the most commonly used internal fixation methods.

The radius bone fracture plate is provided with locking holes, so that the bone fracture plate can be fixed at a fracture part through screws in the internal fixation treatment process, the existing radius bone fracture plate cannot be well attached to the surface of a radius, the screws can only be implanted at a fixed angle due to the design of the screw holes in the radius bone fracture plate, in practice, the fracture type is not unique, and the implantation mode that the screws can only be at the fixed angle often cannot achieve a good internal fixation effect, so that the treatment effect is influenced.

Therefore, how to improve the radius bone fracture plate in the prior art to adapt to different types of radius fractures and achieve better internal fixation effect is a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an universal coaptation board of radius, this coaptation board provide the fixed selection of a plurality of angles and mode, can adapt to the different grade type of radius fracture, make the coaptation board fix well at the fracture position to realize better internal fixation effect.

In order to realize the above-mentioned purpose, the utility model provides an universal coaptation board of radius, including the head and with head integrated into one piece's cadre is the anatomical form of predetermined angle between the two and buckles, the head include with bottom section that the cadre is connected and edge the bottom section to the outstanding section that the cadre both sides are stretched out, two through circular arc section smooth transition between the outstanding section, be provided with a plurality of universal locking holes on the head, be provided with at least one pressurization hole and one universal locking hole on the cadre, universal locking hole is flower type hole, the biggest angulation of the universal locking screw that sets up in the universal locking hole on each side that leaves the axle center is 15, the head with the edge part of the leading flank of cadre is provided with the chamfer limit, the dorsal part of cadre is provided with the radius binding face.

As above, the universal radius bone fracture plate provided by the present invention comprises an integrally formed head and a cadre, wherein an anatomical bend with a predetermined angle is formed between the head and the cadre, so as to be attached to the distal end of the radius, thereby better realizing fixation, wherein the anatomical bend refers to a bend angle obtained according to the bone surface attachment design of the three-dimensional data model of the distal end of the radius of the human body, and the bend angle can be accurately determined according to the actual anatomical data of clinical individual patients; the two protruding sections of the head are in transition through the circular arc section, so that the head can be well attached to the bone section on one hand, and the bone section can be prevented from being damaged on the other hand; moreover, the edge parts of the front side surfaces of the head part and the dry part are provided with the chamfered edges, so that the volume of the bone fracture plate is reduced and the matching degree with a human body is increased due to the existence of the chamfered edges; the back side of the cadre is provided with a radius binding surface, so that the stress between the bone fracture plate and the bone section is reduced; meanwhile, the head part is provided with a plurality of universal locking holes, the cadre part is provided with at least one pressurizing hole and one universal locking hole, namely, the head part, the cadre part and the bone section are tightly attached and fixed, the universal locking holes are flower-shaped holes, the maximum angulation of a universal locking screw arranged in the universal locking hole in each direction away from the axis is 15 degrees, so that the locking screw can be conveniently distributed in the whole space at the far end of the radius as far as possible, the implantation angles of the locking screws are different, the fixation can be well realized for fracture types such as multi-fracture or comminuted fracture and the like, the better fixation treatment effect is achieved, and the flower-shaped holes have the self-locking function, so that the locking screw is not easy to fall off.

Furthermore, seven universal locking holes are formed in the protruding section, and any three adjacent universal locking holes are distributed in a triangular mode.

Furthermore, three Kirschner wire holes are formed in the arc section, and the universal locking hole is formed between every two adjacent Kirschner wire holes.

Further, a universal locking hole is formed in the bottom section.

Further, a universal locking hole on the stem is located below the pressurization hole, and the pressurization hole is an oblong pressurization hole.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a universal radius bone plate provided by the present invention;

fig. 2 is a right side view of the universal radius bone plate of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-head part, 2-cadre part, 3-bottom part, 4-protruding part, 5-arc part, 6-universal locking hole, 7-pressurizing hole, 8-chamfered edge and 9-Kirschner wire hole.

Detailed Description

The core of the utility model is to provide a universal coaptation board of radius, this coaptation board provide the fixed selection of a plurality of angles and mode, can adapt to the different grade type of radius fracture, make the coaptation board fix well at the fracture position to realize better internal fixation effect.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-2, fig. 1 is a schematic structural view of an embodiment of a universal radius bone plate of the present invention; fig. 2 is a right side view of the universal radius bone plate of fig. 1.

In the embodiment, the universal bone fracture plate for the radius comprises a head part 1 and a dry part 2 integrally formed with the head part 1, anatomical bending at a preset angle is formed between the head part 1 and the dry part 2, the head part 1 comprises a bottom section 3 connected with the dry part 2 and protruding sections 4 extending to two sides of the dry part 2 along the bottom section 3, the two protruding sections 4 are in smooth transition through arc sections 5, a plurality of universal locking holes 6 are formed in the head part 1, at least one pressurizing hole 7 and one universal locking hole 6 are formed in the dry part 2, the universal locking holes 6 are flower-shaped holes, the maximum angulation of universal locking screws arranged in the universal locking holes 6 in all directions away from an axis is 15 degrees, chamfered edges 8 are arranged on the edge parts of the front side surfaces of the head part 1 and the dry part 2, and a radius binding surface is arranged on.

As described above, the universal radius bone plate in this embodiment includes the integrally formed head portion 1 and the trunk portion 2, which are folded in an anatomical manner at a predetermined angle therebetween so as to be attached to the distal end of the radius, so as to achieve better fixation, where the anatomical fold refers to a fold angle obtained according to the bone surface attachment design of the three-dimensional data model of the distal end of the radius of the human body, and the fold angle can also be accurately determined according to the actual anatomical data of clinical individual patients; the two protruding sections 4 of the head 1 are transited through the circular arc section 5, so that the head can be well attached to a bone section on one hand, and the bone section can be prevented from being damaged on the other hand; moreover, the edge parts of the front side surfaces of the head part 1 and the dry part 2 are provided with the chamfered edges 8, and the existence of the chamfered edges 8 reduces the volume of the bone fracture plate and increases the matching degree with the human body; the back side of the cadre part 2 is provided with a radius binding surface, so that the stress between the bone fracture plate and the bone section is reduced; meanwhile, the head part 1 is provided with a plurality of universal locking holes 6, the cadre part 2 is provided with at least one pressurizing hole 7 and one universal locking hole 6, namely, the head part 1 and the cadre part 2 are tightly attached and fixed with the bone segments, the universal locking holes 6 are flower-shaped holes, the maximum angulation of universal locking screws arranged in the universal locking holes 6 in all directions away from the axis is 15 degrees, so that the locking screws can be conveniently distributed in the whole space at the far end of the radius as much as possible, the implantation angles of the locking screws are different, the fixation can be well realized for fracture types such as multi-fracture or comminuted fracture and the like, the better fixation treatment effect is achieved, and the flower-shaped holes have the self-locking function, so that the locking screws are not easy to fall off.

In a specific scheme, as shown in the figure, seven universal locking holes 6 are arranged on the protruding section 4, and any three adjacent universal locking holes 6 are distributed in a triangular shape; due to the design, the protruding sections 4 are provided with more universal locking holes 6 and are distributed uniformly, and various options can be provided for fixing the bone fracture plate in an operation.

In order to widen the application range of the bone fracture plate, ensure that the bone fracture plate can also be suitable for complex fracture types such as multi-fracture-block fracture or comminuted fracture and the like and has better treatment effect, the arc section 5 of the bone fracture plate is provided with a kirschner wire hole 9 for inserting a kirschner wire, and the bone fracture plate is used for fixing short fracture or avulsion fracture and other fracture with low stress.

Specifically, three kirschner wire holes 9 are arranged on the circular arc section 5, and a universal locking hole 6 is arranged between every two adjacent kirschner wire holes 9.

In order to improve the fit between the head 1 and the radius and to increase the fixing strength of the bone fracture plate to the radius, the bottom section 3 is correspondingly provided with a universal locking hole 6.

In a specific scheme, a universal locking hole 6 is arranged on the bottom section 3.

More specifically, the shaft 2 of the radius bone plate is provided with a universal locking hole 6 and a pressurizing hole 7 so as to provide axial pressurization or locking; the universal locking hole 6 is positioned below the pressurizing hole 7, and the pressurizing hole 7 is an oblong pressurizing hole, so that the position of the bone plate can be conveniently adjusted in an operation, or the fracture block can be pressurized.

In fact, the bone plate position can be adjusted by providing only one universal locking hole 6 and one compression hole 7 on the trunk 2, and it will be understood that two or more may be provided depending on the adjustment length of the oblong compression hole.

In the solution shown, the stem 2 is provided with in particular an oblong pressure hole and two universal locking holes 6. It will be appreciated that in a practical arrangement, the number of gimbaled locking holes 6 and compression holes 7 of the stem 2 may be flexibly set depending on the length of the stem 2 and the fixation requirements.

The universal radius bone fracture plate provided by the utility model is described in detail above.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The universal bone fracture plate for the radius is characterized in that:

comprises a head part and a dry part which is integrally formed with the head part, wherein the head part and the dry part form anatomical bending with a preset angle,

the head part comprises a bottom section connected with the cadre part and protruding sections extending to the two sides of the cadre part along the bottom section, the two protruding sections are in smooth transition through an arc section,

the head portion is provided with a plurality of universal locking holes, the trunk portion is provided with at least one pressurizing hole and one universal locking hole,

the universal locking hole is a flower-shaped hole, the maximum angle of a universal locking screw arranged in the universal locking hole in each direction away from the axis is 15 degrees,

the head with the edge portion of the leading flank of cadre is provided with the chamfer limit, the dorsal part of cadre is provided with radius binding surface.

2. The universal bone plate for radius according to claim 1, wherein: seven universal locking holes are formed in the protruding section, and any three adjacent universal locking holes are distributed in a triangular mode.

3. The universal bone plate for radius according to claim 2, wherein: three Kirschner wire holes are formed in the circular arc section, and the universal locking hole is formed between every two adjacent Kirschner wire holes.

4. The universal bone plate for radius according to claim 1, wherein: the bottom section is provided with a universal locking hole.

5. The universal bone plate for radius according to claim 1, wherein: the universal locking hole on the dry part is positioned below the pressurizing hole, and the pressurizing hole is an oblong pressurizing hole.