Electrosurgical dispersive electrode

Details Electrosurgical dispersive electrode Electrosurgical dispersive electrode

1981-05-13

1983-06-14

Cohen, Lee S.

Surgery

Truss

Pad

128798, A61B 1739

Patent

active

043877141

ABSTRACT:
An electrosurgical dispersive electrode is disclosed that is useful in conjunction with an electrosurgical unit to establish capacitive-coupling with the skin of a patient receiving therapeutic signals from the electrosurgical unit. The electrode includes a metallic plate electrically connectable with the electrosurgical unit to establish a return current path thereto, an insulator engaging the inner (patient) side of the metallic plate to prevent ohmic contact by the plate with the skin of the patient, and a conductive adhesive gel at the outer (patient) side of the insulator so as to be positioned between the insulator and the skin of a patient to bring the skin uniformly in contact with the gel conductor and thereby reduce the impedance, normally associated with capacitively-coupled dispersive electrodes, while retaining uniform temperature distribution.

REFERENCES:
patent: 3848600 (1974-11-01), Patrick, Jr. et al.
patent: 4121592 (1978-10-01), Whalley
patent: 4166465 (1979-09-01), Esty et al.
patent: 4188927 (1980-02-01), Harris
patent: 4303073 (1981-12-01), Archibald
patent: 4304235 (1981-12-01), Kaufman

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