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Combined three-dimensional traction mounting bracket for wrist joint

A wrist joint and combined technology, which is applied in the field of combined wrist joint traction and fixation frame, achieves the effects of strong three-dimensional space stability, reduced damage, and reliable fixation

Active Publication Date: 2011-11-23
温建民 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the fixation problem of coarse threaded nails in the structure of wrist joint external fixator in the prior art

Method used

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  • Combined three-dimensional traction mounting bracket for wrist joint
  • Combined three-dimensional traction mounting bracket for wrist joint
  • Combined three-dimensional traction mounting bracket for wrist joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] figure 1 , 2 As shown, the combined wrist joint three-dimensional traction fixture mainly includes first and second arc rings 1, 2, carbon fiber connecting rod 3, duralumin connecting rod 4 and five locking pin screws 10, 11, 12, 13, 14. The end faces of the first and second arc rings 1 and 2 along the arc direction are provided with a plurality of through holes, the through holes are any one of round holes and waist holes or any combination of both, carbon fiber connecting rod 3 The two ends are respectively connected to the two arc rings 1 and 2 through L-shaped connecting rods 5 and 51, and one end of the L-shaped connecting rod 5 is locked on the first through hole 6 of the first arc-shaped ring 1 through a nut, and the L-shaped connection The other end of the rod 5 passes through the upper and lower link clamps 16, 17 and is locked by ...

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Abstract

The invention relates to a combined three-dimensional traction mounting bracket for a wrist joint, and the mounting bracket provided by the invention mainly comprises two connecting rods and two arc-shaped rings, wherein the end surfaces, along the arc line direction, of the two arc-shaped rings are both provided with a plurality of through holes; two ends of each connecting rod are respectively locked and connected to the through holes corresponding to the two arc-shaped rings; each arc-shaped ring is provided with two purl screws; the end surfaces, adjacent to bolt parts, of the purl screwsare provided with needle penetrating grooves; the bolts of the purl screws are locked on the arc-shaped rings via nuts; two Kirschner wires are adopted for cooperating and fixing a metacarpal bone neck and a radius in a needle threading mode by virtue of the purl screws; and steel needles are cooperated to fix a wrist joint fracture block locked by the purl screws. The combined three-dimensional traction mounting bracket has the advantages of compact and stable integral structure, low cost and adjustable rigidity, is convenient to use and dismount, assists the fixation of wrist joints and fracture blocks, is free from stripping a periosteum and is favorable for healing wrist joint damages.

Description

technical field [0001] The invention relates to a wrist joint traction fixture, in particular to a combined wrist joint traction fixture for three-dimensional needle fixing. Background technique [0002] The incidence of distal radius fracture is very high, which seriously threatens human health and living standards. The external fixator suitable for wrist fixation in the treatment of distal radius fractures at home and abroad is a single arm. The single-arm frame is fixed by screws in the form of half-pins, with fixation as the main function. Although the single-arm external fixator is relatively convenient, it has poor overall stability and adjustability because it is a force-arm fixation. There is also no function of traction and reduction and fixation of the fracture block, which limits the application of the external fixator in wrist fractures. Contents of the invention [0003] In order to solve the fixation problem of the wrist joint external fixator structur...

Claims

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Application Information

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IPC IPC(8): A61B17/62
Inventor 温建民成永忠安瑞静
Owner 温建民
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