David S C Pao: Coaxial bipolar probe. Woodcock Washburn Kurtz Mackiewicz & Norris, June 23, 1987: US04674499 (364 worldwide citation)

Improves bipolar electrode probe devices for use in electrocautery and electrocoagulation include a central electrode having an outer electrode coaxially disposed therearound. The central and outer electrodes are electrically insulated from each other and are adapted to receive a high frequency volt ...

Robert A Van Wyk: Flexible electrosurgical ablation and aspiration electrode with beveled active surface. ElectroMedical Associates, Chalin A Smith, Smith Patent, May 9, 2017: US09643255

Disclosed herein is a flexible single piece active element for use in connection with aspirating electrosurgical ablators, particularly those configured for bulk tissue vaporization. The active electrode elements of the present invention provide a simple construction suitable for use with a wide arr ...

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