Surgery – Instruments – Electrical application
Reexamination Certificate
2005-11-01
2005-11-01
Cohen, Lee S. (Department: 3739)
Surgery
Instruments
Electrical application
C606S041000, C606S048000, C606S050000, C604S114000
Reexamination Certificate
active
06960204
ABSTRACT:
An electrosurgical probe comprises a shaft having an electrode array (12) at its distal end and a connector at its proximal end. The array (12) includes a plurality of isolated electrode terminals, and an electrosurgical power supply (28) 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 electric terminals. By applying very high frequency electrical energy to the electrode array, target tissue may be cut or ablated while heat dissipation through low impedance paths, such as blood and normal saline, will be minimized.
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Eggers Philip E.
Thapliyal Hira V
Arthrocare Corporation
Batt Richard R.
Cohen Lee S.
Raffle John T.
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