Sensory-feedback system compatible with myoelectric control.
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Biomedical subjects
R H Brittain
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Sensory feedback in a myoelectric upper limb prosthesis: a preliminary report.
Upper limb prostheses are often rejected because they do not provide the sensory feedback available from a normal hand. A system for providing sensory feedback has been developed at the University of New Brunswick for use with the three-state myoelectric controls prepared in the Bioengineering Institute there. Strain gauges mounted on the forefinger of an electric hand provide information which is processed electronically to cause a tingling sensation in the patient's stump, proportional in its intensity to the pinch force in the finger. This system has been used by a patient at the Ontario Crippled Children's Centre in Toronto, since June 1976. She uses it consistently with great satisfaction and enthusiasm. It gives her a sense of competence and confidence she does not have without it.
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