Abstract
We present a micro ultrasonic motor having rotary and linear motions for endovascular diagnosis and surgery. The stator prototype is a cube of side 3.5mm, and the main body is fabricated as a single metallic cube with a through-hole at the center. Four piezoelectric elements are bonded to the sides of the stator. When AC voltage is applied to the piezoelectric elements, the circumference of the stator generates elliptical motions. We can obtain the output from a shaft inserted through the hole. We developed the first prototype of the stator, and determined the rotary-linear motion
About this article
Received
11 January 2007
Accepted
10 March 2007
Published
31 March 2009
Keywords
piezoelectric actuator
endovascular medicine
micro mechanism
rotary-linear
ultrasonic motor
Copyright © 2009 Vibroengineering
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