Electrosurgical instrument and method
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United States of America Patent
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Dec 13, 2011
Grant Date -
Mar 30, 2006
app pub date -
Jul 2, 2005
filing date -
Apr 30, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electrosurgical working end and method for sealing and transecting tissue. An exemplary working end provides curved jaw members that are positioned on opposing sides of the targeted anatomic structure. The working end carries a slidable extension member having flange portions with inner surfaces that slide over the jaw members to clamp tissue therebetween. The working end carries an independent slidable cutting member that is flexible to follow the curved axis of the jaws. The electrosurgical surfaces of the jaws include partially-resistive bodies for carrying a current or load which modulates ohmic heating in the engaged tissue to prevent charring and desiccation of tissue to create a high strength thermal seal.
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