Device for electrosurgically destroying body tissue
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jan 19, 2006
app pub date -
May 23, 2003
filing date -
May 27, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electrode array is used for the thermal schlerosing of body tissue. The electrode array has at least three active electrodes that, during use, are placed in electrical-conducting connection with body tissue. A high frequency generator is electrically connected for selective application of current to the active electrodes for producing a high frequency voltage. A measuring device measures impedance of the tissue between the active electrodes. In addition, a selector device selects a sub-array including at least two active electrodes from the electrode array, the selecting being effected on the basis of the measured impedance. Further, a control device is configured such that a high frequency voltage is respectively applied between the active electrodes of the selected sub-array in such a way that a high frequency current flows between the selected active electrodes through the body tissue.
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