Monopolar tissue ablator

Details Monopolar tissue ablator Monopolar tissue ablator

1999-02-02

2000-11-21

Peffley, Michael

Surgery

Instruments

Electrical application

606 49, 606 45, A61B 1818

Patent

active

061496464

ABSTRACT:
A monopolar electrode for use with a standard electrosurgical pencil and generator suitable for performing tissue ablation at relatively low power levels. The electrode has a cylindrical rim at its distal tip, the exposed conductive area of the cylindrical rim being minimized to create high powered densities sufficient for tissue ablation. The distal end of the electrode is surrounded by a ceramic insulating sleeve and an annular insulating gap is interposed between the electrode and the ceramic sleeve. A tubular polymeric insulating sleeve is applied to the outer surface of the electrode and to the outer surface of the proximal end of the ceramic sleeve.

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