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ElectroComponent Science and Technology
Volume 10 (1983), Issue 2-3, Pages 87-93
http://dx.doi.org/10.1155/APEC.10.87

An Electromyographically Controlled Elbow Locking Mechanism for an Upper Limb Prosthesis

1University of Edinburgh, Princess Margaret Rose Orthopaedic Hospital, Fairmilehead, Edinburgh, Scotland
2Paladin Medical Products Ltd, East Kilbride, Scotland

Accepted 28 October 1981

Copyright © 1983 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The purpose of the elbow lock incorporated in an artificial arm is discussed and the difficulties encountered in the operation of purely mechanical devices are outlined. An electrically driven locking mechanism has been built which is controlled by the electromyogram (e.m.g.) of the surviving muscles in the upper arm. Hybrid technology is ideally suited to the construction of the associated electronic circuitry and to many similar applications now being considered in attempts to improve the performance of upper-limb prostheses.