Electrosurgical device and method
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United States of America Patent
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Nov 10, 1998
Issued Date -
N/A
app pub date -
Apr 4, 1997
filing date -
Jul 22, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between one pole of a bipolar energy source located on one interfacing surface, and a second interfacing surface. A second pole is located one of the two interfacing surfaces. In a preferred embodiment, the second pole is located on the same interfacing surface as the first pole and an insulator electrically isolates the two poles. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.
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