Resistive reusable electrosurgical return electrode

Details Resistive reusable electrosurgical return electrode Resistive reusable electrosurgical return electrode

1998-11-30

2000-07-04

Cohen, Lee

Surgery

Instruments

Electrical application

606 35, 607152, 128908, A61B 1816

Patent

active

060832215

ABSTRACT:
A reusable electrosurgical return electrode pad for use with electrosurgery. In one embodiment it includes a presentation or working surface area at lying in a range of from about 100 to about 20,000 square centimeters. In another the working surface is at least as large as that of a projection of about half of the profile of the trunk of a patient. In yet another, it includes a working surface area at least as large as that of a projection of the profile of both the trunk and legs of a patient. It is adapted for disposition on the working surface of an operating table or dentist's chair immediately underlying a patient during electrosurgery. By presenting a very large working surface area, the need for direct contact or contact through conducting gels is eliminated; through employment of washable surface areas, it is made readily cleanable and reusable; and through the selection of resistance characteristics for the electrode materials of the principal body of the electrode, and through tailoring of electrode geometries, it is made self-limiting as to current density and temperature rise so as to prevent patient trauma. An optional sleeve is provided for cooperative use with the electrode.

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