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Design and Fabrication of a Micro-Knife for Minimally Invasive Surgery

[+] Author Affiliations
Hang Guo, Hui Yang, Liming Zou

Xiamen University, Xiamen, Fujian, China

Paper No. MicroNano2008-70195, pp. 171-173; 3 pages
doi:10.1115/MicroNano2008-70195
From:
  • 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems
  • 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems
  • Clear Water Bay, Kowloon, Hong Kong, June 3–5, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4294-0 | eISBN: 0-7918-3819-6
  • Copyright © 2008 by ASME

abstract

In this paper, a micro-knife for minimally invasive surgery is proposed. It is a silicon horn shape and works in an ultrasonic longitudinal vibration mode to realize the precise incision with its sharp tip at one end. Finite element method in ANSYS is used to analyze and design the device to obtain the vibration frequency and displacement amplitude of the longitudinal mode. In the end, microfabrication of the proposed micro-knife is presented.

Copyright © 2008 by ASME

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