Title

Concept Through Preliminary Bench Testing of a Powered Lower Limb Prosthetic Device

Document Type

Article

Language

eng

Format of Original

9 p.

Publication Date

11-2010

Publisher

American Society of Mechanical Engineers

Source Publication

Journal of Mechanisms and Robotics

Source ISSN

1942-4302

Original Item ID

DOI: 10.1115/1.4002205

Abstract

This paper outlines the design and testing of a powered ankle prosthesis, which utilizes a four-bar mechanism in conjunction with a spring and motor that mimics nonamputee (normal) ankle moments. This approach would enable transtibial (below the knee) amputees to walk at a normal speed with minimal energy input. The design takes into account the energy supplied by the wearer required to achieve many of the desired characteristics of a normal gait. A proof-of-concept prototype prosthesis was designed, optimized, fabricated, and tested with the purpose of demonstrating its ability to match crucial ankle moments during the stance phase of gait. Testing of this prosthesis proved crucial in determining the prosthesis’ capabilities and in evaluating this approach.

Comments

Journal of Mechanisms and Robotics, Vol. 2, No. 4 (November 2010): 041005-041013. DOI.