Abstract
Over the last two decades, MR (magnetorheological) fluids have received extensive attention and great interest in a broad range of applications. Among various applications, this chapter reviews medical and health applications in which MR fluid is used actuator or/and sensor functions. First, haptic interfaces for dental implant surgery and multi-degrees-of-freedom haptic masters for teleoperated robot-assisted surgery are introduced. Second, sponge-like tactile sensors to feel the softness of various human tissues by controlling the magnetic field intensity are shown, followed by the application of MR fluid to rehabilitation systems such as prosthetic leg. The specific mechanism, operating principle, and practical feasibility of each medical device are discussed and commented in detail.
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