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Precise Bipolar Micro Dissection Means of an Adjustable Virtual Loop

[+] Author Affiliations
R. Wenzel, J.-P. Wulfsberg

Helmut-Schmidt University, Hamburg, Germany

Paper No. IMECE2008-68700, pp. 561-564; 4 pages
  • ASME 2008 International Mechanical Engineering Congress and Exposition
  • Volume 2: Biomedical and Biotechnology Engineering
  • Boston, Massachusetts, USA, October 31–November 6, 2008
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4863-0 | eISBN: 978-0-7918-3840-2
  • Copyright © 2008 by ASME


This paper presents the development of a bipolar probe for RF surgery which allows a precise coagulation or vaporization of tissue in microsurgical dimensions. Differently from established technologies, that base on excoriation with an active metal loop or punctual dissection with needles, the new technology uses additional electromagnetic fields for arching a bundled current path to a virtual loop, which affords no mechanical but only electrical controlled ablation of tissue volumina.

Copyright © 2008 by ASME



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