System and method of performing an electrosurgical procedure
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United States of America Patent
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Apr 29, 2008
Grant Date -
Jul 28, 2005
app pub date -
Dec 3, 2004
filing date -
Jan 25, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method of making a lesion on living tissue including providing an electrosurgical system, determining a desired lesion depth, selecting a power setting, and applying electrical energy to the living tissue. The system includes an instrument having an electrode at a distal portion thereof, and a power source having multiple available power settings. The power source is electrically connected to the electrode. The step of applying electrical energy includes energizing the electrode at the selected power setting for a recommended energization time period that is determined by reference to predetermined length of time information and based upon the desired lesion depth and the selected power setting. The system preferably further includes a fluid source for irrigating the electrode at an irrigation rate. In this regard, the predetermined length of time information is generated as a function of irrigation rate.
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