Hand bone fixer

A fixator and hand technology, which is applied to the field of hand bone fixators, can solve the problems of complicated fixation operations and large trauma for bracket installation, and achieves the effects of small shielding area, reduced difficulty and large contact surface.

Inactive Publication Date: 2015-02-04
李雪峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the technical problems of large trauma and complicated fixation surgery in the prior art, and provide an orthopedic fixation bracket with less trauma to the installer, which can reduce or even require secondary surgery

Method used

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  • Hand bone fixer
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Examples

Experimental program
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Effect test

Embodiment 1

[0045] Such as Figure 1~3 As shown, the present invention is a hand bone fixator, which is mainly used for postoperative hand bone fixation. The main body of the present invention includes an arm wrapping plate 4, a wrist fixation ring 8, a palm fixer and a bone surface fixation assembly. The arm wrapping plate 4 is cylindrical;

[0046] The wrist fixing ring 8 includes two vertically symmetrical hinge assemblies, a parallel cavity A for the wrist to penetrate is arranged between the hinge assemblies, and the hinge assemblies include an upper ring and a lower ring that are nested in each other , the inner wall of the upper ring and the outer wall of the lower ring are rotationally connected by a bearing;

[0047]The palm immobilizer includes two support assemblies arranged symmetrically up and down, the support assembly includes a support plate 9, the support plate 9 is fan-shaped, and an arc array on the arc surface of the support plate 9 is provided with 5 rotating seats ...

Embodiment 2

[0054] In order to improve the detachability of the fixing block, the present invention also provides an improved structure;

[0055] Such as figure 1 , figure 2 and Figure 4 As shown, the present invention is a hand bone fixator, which is mainly used for postoperative hand bone fixation. The main body of the present invention includes an arm wrapping plate 4, a wrist fixation ring 8, a palm fixer and a bone surface fixation assembly. The arm wrapping plate 4 is cylindrical;

[0056] The wrist fixing ring 8 includes two vertically symmetrical hinge assemblies, a parallel cavity A for the wrist to penetrate is arranged between the hinge assemblies, and the hinge assemblies include an upper ring and a lower ring that are nested in each other , the inner wall of the upper ring and the outer wall of the lower ring are rotationally connected by a bearing;

[0057] The palm immobilizer includes two support assemblies arranged symmetrically up and down, the support assembly inc...

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PUM

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Abstract

The invention provides a hand bone fixer which comprises a wrist restraining device, a palm fixer and a bone surface fixing component, wherein the wrist restraining device comprises a wrist fixing ring and an arm wrapping plate; the arm wrapping plate is rotatably connected with the palm fixer by virtue of the wrist fixing ring; the bone surface fixing component is arranged between two supporting components of the palm fixer; the bone surface fixing component comprises fixing blocks arranged on a fixing rod; fixing cables are arranged among the fixing blocks; the bone surface fixing component is capable of realizing skeletal fixation by virtue of a skeletal fixation frame consisting of a plurality of fixing cables contacted with a bone surface.

Description

technical field [0001] The invention relates to a hand bone fixator, which relates to an external bone fixator for fixing the bone of the hand through the cooperation of cables and the hand fixator. Background technique [0002] In the process of orthopedic treatment such as fractures, various brackets are often used to penetrate the skin surface after surgery to fix the bones to restore them. After recovery, the brackets are removed through trauma surgery. The whole process requires multiple operations. The trauma caused to the human muscle and epidermis is relatively large, and the postoperative recovery period is relatively long. At the same time, the traditional brackets cause relatively large compression and trauma to the bone; [0003] In this regard, on the market now, many orthopedic fixators that can reduce the degree of trauma during surgery and reduce the number of operations to a certain extent, and can accelerate healing at the same time, such as the invention o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/60A61B17/82
CPCA61B17/60A61B17/6416A61B17/6425A61B17/66A61B17/82A61B2017/00238A61B2017/00831A61B2017/564A61B2017/606A61L31/022A61L31/06A61L31/148C08L67/04
Inventor 罗先军
Owner 李雪峰
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