Electrosurgical probe for treating tissue in electrically conductive fluid
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United States of America Patent
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Nov 6, 2001
Issued Date -
N/A
app pub date -
Dec 5, 1996
filing date -
Jan 7, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrosurgical probe includes a shaft having an electrode array at its distal end and a connector at its proximal end. The array includes a plurality of isolated electrode terminals, and an electrosurgical power supply is provided with a multiplicity of independently limited or controlled current sources and a connector. The electrosurgical probe and the power supply may be connected through their respective connectors so that the independent current sources are connected to individual electrode terminals. By applying very high frequency electrical energy to the electrode array, target tissue may be cut or ablated while heat dissipation through low impedence paths, such as blood and normal saline, will be minimized.
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