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Elastic knee joint prosthesis

A technology for knee joints and lower limbs, which is applied in the field of population and health, can solve problems such as inability to achieve elastic knee flexion well, and achieve the effects of improved safety, less fatigue, and normal physiological movements

Active Publication Date: 2018-09-11
国家康复辅具研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the current multi-axis linkage type knee prosthesis products and technologies, there is no or can not better realize the elastic knee flexion function

Method used

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  • Elastic knee joint prosthesis
  • Elastic knee joint prosthesis
  • Elastic knee joint prosthesis

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Embodiment Construction

[0031] The elastic knee-bending type lower limb knee joint prosthesis of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] Such as figure 1 , figure 2 and image 3 As shown, the elastic knee prosthesis P( Figure 4 ) generally includes a residual limb socket connector 1 , a prosthetic foot connector 2 , a front rod 3 , a rear rod 4 , a damping cylinder 5 and an elastic knee part 6 . The front end of the residual limb socket connector 1 is hinged to the upper end of the front rod 3 through the shaft 31 and the sleeve 32, and the rear end of the residual limb socket connector 1 is hinged to the upper end of the rear rod 4 through the shaft 43 and the sleeve 44 . The front end of the prosthetic foot connector 2 is hinged with the lower end of the front side rod 3 through the shaft 33 and the axle sleeve 34, and the elastic knee part 6 is fixed on the prosthetic foot connector 2. The shaft 41 hinged on the lower e...

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Abstract

The invention relates to a lower-limb knee-joint artificial limb, which comprises a residual limb receiving cavity connecting piece, an artificial foot connecting piece, a front side rod, a back side rod, a damping cylinder and an elastic knee-bending part, wherein the front end and the back end of the residual limb receiving cavity connecting piece are hinged with the upper ends of the front side rod and the back side rod correspondingly; the front end of the artificial foot connecting piece is hinged with the lower end of the front side rod; the elastic knee-bending part is fixed on the artificial foot connecting piece and can apply an elastic action force to the back side rod; the elastic knee-bending part comprises a sliding block and an elastic buffer device; the sliding block is fixed on the artificial foot connecting piece; a sliding groove is formed in the sliding block; a shaft hinged with the lower end of the back side rod can slide in the sliding groove; the lower end of the back side rod elastically contacts with the elastic buffer device; the pedestal end of the damping cylinder is hinged with the artificial foot connecting piece; a cylinder rod extending out of the damping cylinder is hinged with the artificial limb receiving cavity connecting piece. The lower-limb knee-joint artificial limb can realize elastic knee bending and serve as functional compensation of a patient suffering from lower limb amputation, the tread is close to natural tread, and the subsequent damage is greatly reduced.

Description

technical field [0001] The invention relates to a lower limb knee joint prosthesis, in particular to a lower limb knee joint prosthesis capable of realizing elastic knee flexion, which belongs to the technical field of population and health. Background technique [0002] At present, the disabled account for about 5% of the population in our country, and there are about 8.77 million people with physical disabilities, accounting for 14.6% of the total number of disabled people. Nearly 1 million people need to install artificial limbs. In the lower limb prosthesis system, the knee joint is the most important component, and its performance directly affects the overall performance of the knee prosthesis. [0003] For patients with lower limb amputations, the purpose of installing prostheses is not only to compensate for walking function, but more importantly, to simulate normal human joint movement in order to achieve the most natural gait. When you look closely at your natural ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/64A61F2/80
CPCA61F2/602A61F2/604A61F2/64A61F2/7812A61F2/80
Inventor 兰陟兰小青张腾宇张静莎王强
Owner 国家康复辅具研究中心
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