Tissue ablation systems and methods
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United States of America Patent
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Sep 2, 2014
Grant Date -
Nov 17, 2011
app pub date -
Nov 11, 2010
filing date -
Nov 13, 2009
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Abstract
Tissue is treated using a radiofrequency power supply connected to an applicator having a chamber filled with an electrically non-conductive gas surrounded by a thin dielectric wall. A radiofrequency voltage is applied at a level sufficient to ionize the gas into a plasma and to capacitively couple the ionized plasma with the tissue to deliver radiofrequency current to ablate or otherwise treat the tissue.
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