NDLI: Material Removal Mechanisms in Monopolar Electrosurgery

Content Provider	IEEE Xplore Digital Library
Author	Ward, A.K. Ladtkow, C.M. Collins, G.J.
Copyright Year	2007
Description	Author affiliation: Tyco Healthcare, Boulder (Ladtkow, C.M.) \|\| Colorado State Univ., Fort Collins (Ward, A.K.; Collins, G.J.)
Abstract	The underlying mechanisms that cause the observed tissue differences in monopolar electrosurgery under different electrical excitation conditions have not been accurately identified to date. Without an understanding of the mechanisms behind the observed differences in tissue effect, advances in electrosurgical technology are reduced to empirical trial and error. The numerical method we present herein allows single arc events and two ensuing vaporization mechanisms and thermal damage to surrounding tissues to be modeled. It also allows for a realistic prediction of the effect of different electrical waveforms employed in monopolar electrosurgery. The method presented here models both explosive boiling and confined boiling as mechanisms for observed material removal. It uses an Arrhenius damage calculation to predict both tissue cutting rates and adjacent thermal damage to peripheral tissue. All results agree with experimentally observed results. To our knowledge this agreement has not been accomplished with previous models. While not a complete description of the physical events surrounding tissue division and coagulation in electrosurgery, modeling single arc events is the initial step towards understanding the mechanisms of monopolar electrosurgery.
Starting Page	1180
Ending Page	1183
File Size	496756
Page Count	4
File Format	PDF
ISBN	9781424407873
ISSN	1557170X
DOI	10.1109/IEMBS.2007.4352507
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biological tissues Surgery Coagulation Biological system modeling Biological materials Frequency Atmospheric modeling Current density Thermal conductivity Hemorrhaging
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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