Transcutaneous electrode construction

Details Transcutaneous electrode construction Transcutaneous electrode construction

1978-04-21

1980-04-08

Cohen, Lee S.

Surgery

Truss

Pad

128802, A61N 104

Patent

active

041967372

ABSTRACT:
There is disclosed a transcutaneous electrode construction for the application of electrical pulses to a patient, such as might be employed in pain therapy. The electrode construction includes a base member comprising a sheet of nonconductive material having an adhesive coating on one surface. A thin liquid impervious nonconductive sheet of smaller surface area than the base member is centrally affixed thereto on the adhesive coated surface so as to be entirely surrounded by the adhesive coating. A sponge pad overlies the liquid impervious sheet and has a larger surface area than the liquid impervious sheet so that its peripheral edges engage and adhere to the adhesive of the base member while leaving sufficient adhesive surface exposed for adhering to the skin of the patient. Due to the fact that the sponge pad is adhered to the base member only about the edges thereof, a chamber or pocket is formed between the sponge pad and the impervious sheet for receiving a quantity of electrolytic gel. A liquid impervious cover member is releasably affixed to the exposed adhesive coating surface of the base member, to overlie and protect the electrode, and particularly the adhesive coating and the sponge pad and gel filled pocket or chamber. When use of the electrode is desired, the electrode may be removed from the cover member and the cover member discarded.

REFERENCES:
patent: 3610229 (1971-10-01), Zenkich
patent: 3817252 (1974-06-01), Maurer
patent: 3828766 (1974-08-01), Krasnow
patent: 3848600 (1974-11-01), Patrick, Jr. et al.
patent: 3862633 (1975-01-01), Allison et al.
patent: 3865099 (1975-02-01), Robichaud
patent: 3868946 (1975-03-01), Hurley
patent: 3945384 (1976-03-01), Allison et al.
patent: 3972329 (1976-08-01), Kaufman
patent: 3989035 (1976-11-01), Zuehlsdorff
patent: 4117846 (1978-10-01), Williams

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