A Spinal Fixer with Adjustable Degree of Freedom

A technology of fixator and degree of freedom, which is applied in the fields of fracture, medical science, etc., and can solve problems such as poor adaptability

Active Publication Date: 2020-08-04
JIANGSU AIAIJIA HEALTH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the lumbar spine fixation devices on the market are fixed plate-shaped structures, which will not move slightly with people's movements during wearing, so the adaptability is not very good

Method used

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  • A Spinal Fixer with Adjustable Degree of Freedom
  • A Spinal Fixer with Adjustable Degree of Freedom
  • A Spinal Fixer with Adjustable Degree of Freedom

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Embodiment Construction

[0028] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0029] according to figure 1 and figure 2 As shown, the embodiment of the present invention provides a spinal immobilizer with adjustable degrees of freedom, including: a housing 1 and a pulling device, the pulling device includes multiple sets of connecting rods, and the connecting rods are arranged at intervals Inside the shell 1, the connecting rod group is a plurality of first connecting rods 2 sequentially hinged, and the outer walls of two adjacent first connecting rods 2 are connected by a first spring 3; The outer surfaces of both sides are symmetrically provided with straps 4, and the straps 4 are used to bind the casing 1 to the human body.

[0030] Whe...

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Abstract

The invention provides a spine fixator with an adjustable freedom degree. The spine fixator comprises a shell and a traction device; the traction device comprises a plurality of groups of connecting rod groups; the connecting rod groups are arranged in the shell at intervals; the connecting rod groups are formed by sequentially hinging a plurality of first connecting rods; and outer walls of everytwo adjacent first connecting rods are connected through a first spring. When the spine fixator is used, the shell is firstly placed behind a waist, and then the shell is bound at positions of a lumbar vertebra and an abdomen by using binding bands. The traction device arranged in the shell is a linkage structure, so that a purpose of micromotion is realized by the first springs during wearing ofthe spine fixator by a person. The purpose of fine adjustment of freedom degree during use is achieved, and a situation that a patient is over pulled or is not pulled well due to immovability is reduced. Therefore, traction can be ensured, fine adjustment of freedom degree can be realized, and use feeling of a patient can be improved.

Description

technical field [0001] The invention relates to the technical field of lumbar spine fixators, in particular to a spine fixator with adjustable degrees of freedom. Background technique [0002] There are five lumbar vertebrae in the human body, and each lumbar vertebra is composed of a vertebral body in front and an appendage in the rear, and the joint part between the two vertebral bodies is the intervertebral disc. Due to work intensity and physical reasons, the number of patients with lumbar spondylosis is increasing day by day, especially lumbar degenerative disease is a common and frequently-occurring disease in orthopedics. At present, surgical treatment is the main method in clinical practice, but due to surgical treatment, there are bone graft absorption and fusion devices. The problem of loosening and moving back and fusion cage sinking. Therefore, the dynamic fixation system is introduced in medicine, that is, without bone graft fusion, the external fixation device...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F5/042
CPCA61F5/042
Inventor 丁泰平仇猛王莉曹云
Owner JIANGSU AIAIJIA HEALTH TECH CO LTD
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