A bio-inspired condylar knee joint for leg amputees and for knee implants

被引：3
|
作者：
Etoundi, A. C. [1 ]
Vaidyanathan, R.
Burgess, S. C. [1 ]
机构：
[1] Univ Bristol, Bristol, Avon, England
来源：
DESIGN AND NATURE VI: COMPARING DESIGN IN NATURE WITH SCIENCE AND ENGINEERING | 2012年 / 160卷
关键词：
cruciate ligaments; four-bar mechanism; bio-inspired hinge joint; prosthetic joint; moving centre of rotation; CRUCIATE LIGAMENT RECONSTRUCTION; MECHANISM; FLEXION; REHABILITATION; BIOMECHANICS; WALKING;
D O I：
10.2495/DN120031
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
This paper presents a novel bio-inspired condylar prosthetic knee joint developed at the University of Bristol. The bio-inspired condylar joint mimics the structure and biomechanics of the human knee joint. The joint contains an inverted parallelogram four-bar mechanism combined with a cam mechanism. The joint has a favourable mechanical advantage compared to a hinge joint. The joint is also compact and robust. An adult-sized prototype joint has been designed and tested. The prototype joint contains a long cable for the ligaments with a mechanism for adjusting preload. Compared to other prosthetic joints, the condylar joint has the advantages that it is simple and closely mimics human biomechanics. The paper presents the design of the new artificial knee joint and presents some of the test results. The joint can be used in artificial legs and also for knee implants.
引用
收藏
页码：23 / 34
页数：12
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