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Proceedings Paper

Computer simulation to model interstitial bipolar rf coagulation
Author(s): Thomas Stein; Kai Desinger; Andre Roggan; Gerhard J. Mueller
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Paper Abstract

A computer simulation has been developed of the temperature and damage distribution during a bipolar RFITT (radio- frequency current induced interstitial thermotherapy) application. The electric field and the heat transfer is calculated by the Finite Difference Method. The model considers the change of tissue parameters due to the heating process and the variation of power during an RFITT procedure. The simulation works on-line with an RF-generator and measures the output power continuously. The electric power density (heat generating term) and the damage distribution can be displayed graphically in real time.

Paper Details

Date Published: 19 January 1998
PDF: 13 pages
Proc. SPIE 3193, Photothermal Therapies in Medicine, (19 January 1998); doi: 10.1117/12.300825
Show Author Affiliations
Thomas Stein, Freie Univ. Berlin (Germany)
Kai Desinger, Laser- und Medizin-Technologie gGmbH (Germany)
Andre Roggan, Freie Univ. Berlin (Germany)
Gerhard J. Mueller, Freie Univ. Berlin (Germany)

Published in SPIE Proceedings Vol. 3193:
Photothermal Therapies in Medicine
Gaetano Bandieramonte; Stephen G. Bown; Fausto Chiesa; Jacques Donnez M.D.; Herbert J. Geschwind M.D.; Gian Francesco Lombard M.D.; Gerhard J. Mueller; Hans-Dieter Reidenbach, Editor(s)

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