Electrosurgical instrument and method of use
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United States of America Patent
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Aug 8, 2006
Grant Date -
Jun 17, 2004
app pub date -
Sep 30, 2003
filing date -
Oct 1, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An electrosurgical medical device and method for creating thermal welds in engaged tissue. In one embodiment, at least one jaw of the instrument defines a tissue engagement plane that carries a recessed central portion. In another embodiment, the controller coupled to the Rf source is adapted to switch from a power control operational mode to a voltage controlled operational mode at a selected transition impedance level.
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