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Plasma Medicine
SJR: 0.278 SNIP: 0.183 CiteScore™: 0.57

ISSN Druckformat: 1947-5764
ISSN Online: 1947-5772

Plasma Medicine

DOI: 10.1615/PlasmaMed.2014011979
pages 279-289

Characterization of Plasma Parameters and Tissue Injury Produced by Plasma Electrosurgical Systems

Jerome Canady
Jerome Canady Research Institute for Advanced Biological and Technological Sciences, US Medical innovation LLC, Takoma Park, MD, USA
Alexey Shashurin
The George Washington University; School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN, USA
K. Wiley
Jerome Canady Research Institute for Advanced Biological and Technological Sciences, 6930 Carroll Avenue, Suite 300, Takoma Park, MD 20912
N. J. Fisch
Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08543
Michael Keidar
Department of Mechanical and Aerospace Engineering, The George Washington University, Science and Engineering Hall, 800 22nd Street, NW, Room 3550, Washington, DC 20052, USA

ABSTRAKT

Plasma and injury properties produced by US Medical Innovations (USMI) electrosurgical systems were characterized using an explant pig's liver samples. It was observed that plasma length, tissue temperature and injury size increases with applied power increase. Transition from Conventional to Argon Coagulation mode (<0.5 L/min) leads to redistribution of the discharge power over the larger tissue area causing abrupt decrease of injury depth and increase of eschar diameter. Flow rate is not a primary factor affecting the tissue temperature. The depth and diameter of injury was minimal for the case of Hybrid Argon Plasma Cut operational mode.

SCHLÜSSELWÖRTER: Plasma medicine, electrosurgery