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Bionic elastic fixing device

An elastic fixation device and elastic band technology, applied in the direction of fixator, internal fixator, internal bone synthesis, etc., can solve the problems of decreased joint strength, shortened ligament, joint function limitation, etc., and achieve good functional recovery and dislocation recurrence rate. Low and fast recovery after surgery

Inactive Publication Date: 2012-09-19
张英泽
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conservative treatment cannot effectively restore the continuity of the ligament, and the ligament heals through scars, and its strength to maintain joint stability decreases; joint capsule or ligament suture repair often shortens or even contracts the ligament, limiting joint function

Method used

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Embodiment Construction

[0026] The present invention is made up of elastic component 1 and fixing component, and fixing component has multiple, can be miniature steel plate 2, steel plate hook 3 and screw 4, and their effect is to fix elastic component 1 and dislocated joint.

[0027] As shown in the figure, the elastic component 1 is in the shape of a strip, which can be a plurality of elastic cables, elastic meshes or elastic bands, and its assembly direction is the same as that of the ligament fibers at the required fixed dislocation joint. The elastic modulus of the elastic component 1 is the same as The modulus of elasticity of the ligament fibers at the desired fixation-dislocation joint is adapted. In order to better achieve the effect of bionic fixation, the starting and ending fixed points of the elastic component 1 on the bone of the dislocated joint are the same as the starting and ending growth points of the ligament at the dislocated joint, and the width of the elastic component 1 is the ...

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Abstract

The invention discloses a bionic elastic fixing device and belongs to the technical field of orthopaedics medical devices. The bionic elastic fixing device is used for implementing bionic elastic internal fixation for joint dislocation. The technical scheme includes that the bionic elastic fixing device comprises an elastic component and a fixing member, wherein the elastic component comprises a plurality of elastic strip cables or elastic meshes, the elastic direction of the elastic strip cables or the elastic meshes is the same as the trend of ligament fibers at a position of a dislocated joint, the elasticity modulus of the elastic strip cables or the elastic meshes is matched with the elasticity of the ligament fibers at the position of the dislocated joint, two ends of the elastic component are fixedly connected with the dislocated joint through the fixing member, and the shape of the elastic component is the same as that of a ligament at the position of the dislocated joint. The elastic fixing device simulates the ligament at the position of the dislocated joint to implement elastic fixation on the dislocated joint, the fixed dislocated joint can conduct micro-motion according to biological characteristics of the original joint and simulates the physiological status of the original joint to the largest extent so as to obtain the best therapeutic effect, and the bionic elastic fixing device has the advantages that postoperative recovery is fast, the dislocation recurrence rate is low, recovery of functions of dislocated portions of patients is good and the like.

Description

technical field [0001] The invention relates to an internal fixation device for joint dislocation in the treatment of orthopedic injuries, belonging to the technical field of orthopedic medical devices. Background technique [0002] In orthopedic treatment, joint dislocation is a common injury, and fixing the damaged dislocated joint is the most important link in the treatment. In the course of clinical treatment, it was found that the current fixation for joint dislocation is rigid, which does not conform to the law of biomechanics, and the postoperative effect is not good, so it is necessary to improve it. The following is a specific description of the fixation of several joint dislocations and separations as examples. [0003] The acromioclavicular joint is a kind of micro-movement joint. When the shoulder joint is abducted and lifted from 0° to 30°, and when it exceeds 135°, the acromioclavicular joint can perform 20° micro-motion to complete the fine movements of the u...

Claims

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Application Information

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IPC IPC(8): A61B17/68
Inventor 张英泽王琳陈伟刘月驹
Owner 张英泽
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