Electrosurgical instrument
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United States of America Patent
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-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Oct 25, 1996
filing date -
Jan 9, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrosurgical instrument is disclosed for the treatment of tissue in the presence of an electrically-conductive fluid. The instrument comprises an instrument shaft, and a tissue treatment electrode at one end of the shaft, the tissue treatment electrode being constructed to define a plurality of pockets for trapping electrically-conductive fluid. Alternatively, the tissue treatment electrode is made from an electrically-conductive material and is coated with a resistive inert material which is effective to increase the local power density within the tissue treatment electrode.
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