Shape memory alloy fibers having rapid twitch response

Details Shape memory alloy fibers having rapid twitch response Shape memory alloy fibers having rapid twitch response

1990-06-06

1992-03-03

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Having electrical actuator

623 14, 60528, 901 21, A61F 270, A61F 208

Patent

active

050929011

ABSTRACT:
A modified shape memory alloy fibers exhibits a rapid twitch response under timulation by an action potential such as the heating effect of an electromagnetic pulse; in particular the relaxation time of the twitch response is considerably shortened as compared with that of the unmodified fibers; the modification is achieved by simultaneous application of a stretching force and a short, powerful electromagnetic pulse effective to bring about contraction resulting from the shape memory and change material properties; this application is carried out a plurality of times.

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