Development of a new blood pump using a shape memory alloy actuator.

Abstract

A helical spring shape memory alloy actuator has been investigated to be used in a mechanical circulatory support system. The design procedure to determine shape memory alloy and passive bias spring specifications was established. A model device was designed to provide 2 cm stroke by a 100 cm2 pusher plate against a maximum 200 mm Hg pressure load. The… (More)

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