Endoscopic high-frequency treatment tool
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United States of America Patent
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-
Feb 20, 2001
Grant Date -
N/A
app pub date -
Mar 23, 1999
filing date -
Apr 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An endoscopic high-frequency treatment tool includes a flexible sheath, a manipulating wire, a fixed electrode and a moving electrode. The manipulating wire is inserted within the flexible sheath and is movable back and forth along a longitudinal axis thereof. The fixed electrode is connected to a tip of the flexible sheath. The moving electrode is connected to a tip of the manipulating wire, and opposes the fixed electrode to form a predetermined gap therebetween in a direction of the longitudinal axis of the manipulating wire. At least one of the fixing and moving electrodes receives a high-frequency current, and the moving electrode is movable toward and away from the fixed electrode by moving the manipulating wire back and forth.
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