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Double elasticity coefficient backbone replacement device

A technology of elastic coefficient and reset device, applied in spinal implants, medical science, internal bone synthesis, etc., can solve problems such as inability to twist

Inactive Publication Date: 2011-03-30
杨崇光 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The other is made of softer biocompatible plastic, but has irreversible problems

Method used

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  • Double elasticity coefficient backbone replacement device
  • Double elasticity coefficient backbone replacement device
  • Double elasticity coefficient backbone replacement device

Examples

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Embodiment Construction

[0030] In order to further illustrate the present invention, the implementation mode is described as follows with preferred specific examples in conjunction with the drawings:

[0031] figure 1 Among them, a double elastic coefficient spinal reduction device 10 of the present invention includes an outer sleeve 20 and an inner lining 30 .

[0032] The outer sleeve 20 is a housing space 23 with a plurality of surrounding walls 21 connected to form an opening 22, and the front end of the outer sleeve 20 is a pointed design 24, so that an upper vertebra joint 61 and a lower vertebra are implanted. In the middle of the vertebral joint of section 62 (as shown in Figure 2). The inner liner 30 is a configuration suitable for the shape of the accommodating space 23 of the outer sleeve 20 , and is accommodated in the accommodating space 23 of the outer sleeve 20 through the opening 22 .

[0033] A plurality of perforations 25 are perforated on the wall 21 of the outer sleeve 20, and a...

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Abstract

The invention relates to a dual-elasticity coefficient spine reduction device, the dual-elasticity coefficient spine reduction device is used for being implanted into a spinal tissue, which comprises: an outer sleeve part, which is provided with an opening containing space, an inner liner part, which is contained in the containing space, and one end thereof is suitable to be connected with an implantation tool. The elasticity coefficient of the inner liner part is between 100 to 250GPa, and the elasticity coefficient of the outer sleeve part is between 2 to 22GPa. The inner liner part is contained in the outer sleeve part, after that, the reduction device is implanted into the spinal tissue by the implantation tool, and the outer sleeve part is contacted with the spinal tissue.

Description

technical field [0001] The invention relates to a spinal reset device with double elastic coefficients, in particular to a device comprising an outer sleeve and an inner lining fit inside the outer sleeve. The outer sleeve and the inner lining have different elastic coefficients. When in use, the outer sleeve which is close to the elastic coefficient of the spinal tissue contacts the spinal tissue, and the inner liner provides support and turning force, and is a spinal reset device with double elastic coefficients. Background technique [0002] Existing spinal intervertebral distraction correction medical materials, such as the spinal correction fixation device of U.S. Patent No. US6,176,882B1, is a device for adjusting the intervertebral distance, and the majority of support points on the device and below are protruding , spread a certain distance between the upper and lower ends of the vertebral joints to be corrected and fixed, so that the vertebrae can be supported and r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/44A61B17/70A61B17/56A61L27/14A61L27/06
CPCA61F2/44A61F2002/30001
Inventor 杨崇光郑重谢钦吾张海涂林荣泉
Owner 杨崇光
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