Apparatus and process for catheter ablation
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United States of America Patent
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Mar 6, 2001
Grant Date -
N/A
app pub date -
Apr 1, 1998
filing date -
Apr 1, 1997
priority date (Note) -
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Abstract
An apparatus and a process for catheter ablation, with an ablation catheter and, associated with this, a connection to a high frequency generator, to a controlled or to a regulated high frequency ablation equipment, wherein the catheter has at least one electrode for the ablation of tissue by irradiation of ablating power, preferably of high frequency power and preferably at least one temperature sensor associated with this electrode for the determination of the temperature of the electrode; the energy delivery to the tissue to be ablated is controlled or regulated such that a predetermined coagulation temperature is reached within the concerned tissue region, and a device is provided for the sensing of a parameter which is related to the temperature difference between the temperature measured at the electrode and the temperature in the tissue in the neighborhood of the electrode.
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