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Power loss density distribution in biological tissue to analyse processes in electrosurgery

  • Bipolar electrosurgical systems are used for the treatment of benign prostatic hyperplasia (BPH) in urology. In order to analyse electrothermal processes during surgery the power loss density distribution around a bipolar resectoscope is calculated out of the measured potential distribution in isotonic saline solution ex situ. During further analysis power loss density values act as input for the Penne's bioheat equation. To achieve results, which are as realistic as possible, a method to obtain power loss density values, depending on the observed tissue or medium in the operating field, is presented. Applying this method, the power loss density distribution in isotonic saline solution at 25 °C is compared to the distribution calculated for the average conductivity of biological tissue in the region of interest.

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Metadaten
Author:Christoph Knopf, Jörg Himmel, Stephan Klöckner, Klaus Thelen, Olfa Kanoun, Felix Hochgeschurz
URL:https://ieeexplore.ieee.org/document/6808854
DOI:https://doi.org/10.1109/SSD.2014.6808854
ISBN:978-1-4799-3866-7
Parent Title (English):IEEE SSD 14 Conference
Publisher:IEEE
Place of publication:Barcelona, Spain
Document Type:Conference Proceeding
Language:English
Year of Completion:2014
Release Date:2019/04/12
Volume:2014
First Page:1
Last Page:4
Note:
Zugriff aus dem Hochschulnetz der Hochschule Ruhr West möglich
Institutes:Fachbereich 4 - Institut Mess- und Senstortechnik
DDC class:500 Naturwissenschaften und Mathematik / 570 Biowissenschaften, Biologie
600 Technik, Medizin, angewandte Wissenschaften / 621.3 Elektrotechnik, Elektronik
Licence (German):License LogoNo Creative Commons