Radio-frequency based catheter system and method for ablating biological tissues
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United States of America Patent
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Sep 29, 2009
Grant Date -
Dec 21, 2006
app pub date -
Jun 30, 2006
filing date -
Dec 14, 1998
priority date (Note) -
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Abstract
A radio-frequency based catheter system and method for ablating biological tissues within the body vessel of a patient comprises a radio-frequency (“RF”) generator for selectively generating a high frequency RF energy signal in a deployable catheter having an RF transmission line, an RF antenna mounted on the distal portion of the catheter, and a temperature sensor also mounted on a distal portion of the catheter for detecting temperature adjacent an ablation site. A control system adjusts the RF energy signal so that the detected temperature is at or close to a selected temperature setting or within a selected temperature range.
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