Bipolar electrosurgical cutter with position insensitive return electrode contact
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United States of America Patent
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Mar 14, 2017
Grant Date -
Sep 15, 2011
app pub date -
Mar 11, 2011
filing date -
Mar 11, 2010
priority date (Note) -
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Abstract
A bipolar electrosurgical device includes a handle and an elongated end effector coupled to the handle. The end effector includes an elongated, insulating body having first and second electrodes disposed thereon. The first and second electrodes are separated at the distal end of the insulating body, and a cavity formed in the distal end of the effector is positioned between the first and second electrodes. A fluid-delivery tube is positioned on the body to deliver a conductive fluid to the distal end, adjacent the cavity. During use of the electrosurgical device, delivery of the conductive fluid facilitates formation of an electrical coupling between the electrodes via the tissue being treated.
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