Method for the operation of a high frequency ablation apparatus and apparatus for the high frequency tissue ablation
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United States of America Patent
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Dec 10, 1998
filing date -
Dec 23, 1997
priority date (Note) -
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Abstract
A method is described for the operation of a radiofrequency ablation instrument comprising a radiofrequency energy source having a plurality of regulatable outputs, with a plurality of electrodes being connectable to its outputs. A respective power value and/or current value representative of the power and/or the current transmitted by the radiofrequency energy source is detected for each output. The voltage delivered from the radiofrequency energy source is regulated in dependence on the detected power value and/or current value in such a way that the latter corresponds substantially to a predetermined power value and/or current value. A predetermined phrase relationship is in each case maintained between the currents or between the voltages at the outputs of the radiofrequency energy source. Furthermore, a corresponding apparatus is described.
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