Author:
Haga Yoichi,Mineta Takashi,Matsunaga Tadao,Tsuruoka Noriko, , , ,
Abstract
Several micro-robotic medical tools, including catheters, guide wires, and endoscopes, employing shape memory alloy (SMA) actuators have been proposed and developed for use in the human body. This paper describes the basic principle of SMAs and the characteristics of several mechanisms, such as unidirectional bending, multi-directional bending, torsional movement, extension, and stiffness control. Moreover, some medical applications, such as insertion assistance and endoscopic and laser positioning, are described.
Publisher
Fuji Technology Press Ltd.
Subject
Electrical and Electronic Engineering,General Computer Science
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