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Abrasion testing machine for rotator cuff balloon prosthesis

An experimental machine and balloon technology, which is applied in shoulder joints, testing wear resistance, joint implants, etc., can solve problems such as wear testing of rotator cuff (shoulder joint) balloon prostheses, and achieve the goal of avoiding interference Effect

Pending Publication Date: 2022-08-02
上海视疆科学仪器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is no special equipment for wear test of rotator cuff (shoulder joint) balloon prosthesis in China

Method used

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  • Abrasion testing machine for rotator cuff balloon prosthesis
  • Abrasion testing machine for rotator cuff balloon prosthesis
  • Abrasion testing machine for rotator cuff balloon prosthesis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0042] According to a preferred embodiment of the present invention, see Figure 1-5 , provides a rotator cuff balloon prosthesis wear test machine, which is characterized by comprising:

[0043] a first guide post 2 and a second guide post; and

[0044] The first loading unit is connected to the first guide post 2 and the second guide post and is used to apply the first rotational load in the first direction and the second rotational load in the second direction to the first experimental chamber 15 with the constant temperature liquid Within the experimental group of samples 30, the first direction is perpendicular to the second direction.

[0045] According to yet another preferred embodiment of the present invention, the rotator cuff balloon prosthesis wear testing machine further includes a second loading unit, which is arranged between the first guide post 2 and the second guide post and is used to apply a load in the vertical direction to the Control sample 29 in secon...

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Abstract

The rotator cuff balloon prosthesis abrasion testing machine comprises a first guide column and a second guide column, the first loading unit is connected to the first guide column and the second guide column and is used for applying a first rotating load in a first direction and a second rotating load in a second direction to an experimental group sample in the first experimental cabin with the constant-temperature liquid, and the first direction is perpendicular to the second direction; and the second loading unit is arranged between the first guide column and the second guide column and is used for applying a load in the vertical direction to a control group sample in the second experiment cabin with the constant-temperature liquid. And the wear experiment of the sample of the experiment group is closer to various motion modes of the natural shoulder joint.

Description

technical field [0001] The invention relates to the field of medical device detection, in particular to a rotator cuff balloon prosthesis wear test machine. Background technique [0002] At present, the treatment methods of rotator cuff injury mainly include surgical treatment and prosthesis implantation. For minor rotator cuff injuries, surgical treatment can achieve better results, but for injuries larger than 3 cm, the effect of surgical treatment is unclear and prone to recurrence. In this case, a rotator cuff balloon prosthesis needs to be implanted. After being implanted into the human body, it will cause relative movement with the human body's own bones and tissues to cause wear and tear, and if it is kept at 37° for a long time, the deteriorated contents will be released, causing further damage to the affected part. Therefore, after the artificial prosthesis is manufactured, it is necessary to carry out constant temperature wear experiments; [0003] At present, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/46A61F2/40G01N3/56
CPCA61F2/468A61F2/4684A61F2/40G01N3/56G01N2203/0005G01N2203/005G01N2203/0246G01N2203/0276
Inventor 刘斌陈天琦
Owner 上海视疆科学仪器有限公司
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