Tissue heating and ablation systems and methods which predict maximum tissue temperature
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United States of America Patent
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Nov 25, 2003
Grant Date -
Mar 20, 2003
app pub date -
Sep 24, 2001
filing date -
Jun 7, 1995
priority date (Note) -
Expired
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Abstract
Systems and methods heat or ablate body tissue by positioning an electrode to transmit heat or ablation energy to a tissue region. The systems and methods measure a first temperature using a temperature sensing element associated with the electrode. The systems and methods also measure a second temperature using a temperature sensing element associated with the electrode. The systems and methods process at least one of the first and second temperatures to derive a prediction of maximum temperature of the tissue region. The systems and methods generate an output that controls the transmission of the heating or ablation energy based, at least in part, upon the maximum tissue temperature prediction.
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