Electrosurgical instrument
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United States of America Patent
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Jan 29, 2008
Grant Date -
May 25, 2006
app pub date -
Jan 5, 2005
filing date -
Nov 24, 2004
priority date (Note) -
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Abstract
An electrosurgical instrument includes a handpiece, an electrode assembly comprising one or more electrodes attached to the handpiece, and connection means for connecting the handpiece to an electrosurgical generator. The handpiece comprises a housing, fluid supply lines for directing a cooling fluid to and from the electrode assembly, and a pump for driving cooling fluid through the fluid supply lines. The handpiece may also include a fluid reservoir. The pump, the fluid supply lines, and the reservoir are all wholly contained within the housing.
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