Human tissue stimulation electrode structure

Details Human tissue stimulation electrode structure Human tissue stimulation electrode structure

1977-02-14

1978-11-14

Cohen, Lee S.

Surgery

Truss

Pad

128419P, A61N 104

Patent

active

041251164

ABSTRACT:
The invention generally provides an improved, implantable electrode structure for human tissue stimulation application, and particularly proposes the use of pyrolytic carbon as material from which to fabricate the stimulation electrode. For cardiac stimulation use, the proposed electrode structure can be either a bipolar or unipolar unit, wherein the distal, tip electrode is made of pyrolytic carbon and the proximal or indifferent electrode is metallic. For other tissue stimulation applications, e.g., involving the cerebellar region of the brain, the proposed electrode structure is formed of a pyrolytic carbon electrode surrounded by an outer ring electrode formed of metallic segments; the electrodes being carried on the surface of a pad of cushioning material, such as foam silicon rubber.

REFERENCES:
patent: 3543761 (1970-12-01), Bradley
patent: 3608543 (1971-09-01), Longini
patent: 3654933 (1972-04-01), Hagfors
patent: 3722005 (1973-03-01), Cowland
patent: 3724467 (1973-04-01), Avery
patent: 3788329 (1974-01-01), Friedman
patent: 3822708 (1974-07-01), Zilber
patent: 4010758 (1977-03-01), Rockland et al.
patent: 4011861 (1977-03-01), Enger
patent: 4033357 (1977-07-01), Helland et al.

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