Systems and methods for ablating body tissue using predicted maximum tissue temperature
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United States of America Patent
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Apr 7, 1998
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N/A
app pub date -
May 1, 1995
filing date -
Jun 27, 1994
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Abstract
Systems and methods ablate body tissue using an electrode for contacting tissue at a tissue-electrode interface to transmit ablation energy at a determinable power level. The systems and methods include an element to remove heat from the electrode at a determinable rate. The systems and methods employ a processing element to derive a prediction of the maximum tissue temperature condition occurring beneath the tissue-electrode interface. The processing element controls the power level of ablation energy transmitted by the electrode, or the rate at which the electrode is cooled, or both, based, at least in part, upon the maximum tissue temperature prediction.
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