Low threshold cardiac pacing electrodes

Details Low threshold cardiac pacing electrodes Low threshold cardiac pacing electrodes

1986-03-11

1987-07-14

Cohen, Lee S.

Surgery

Truss

Pad

128785, 128419P, A61N 105

Patent

active

046795723

ABSTRACT:
An electrode for use in cardiac pacemaking has a conductive tip portion including a substrate composed of a material conventionally employed for pacing electrodes, and a layer of film of iridium oxide overlying the surface of the substrate. The tip portion may be provided with recesses to which the iridium oxide surface layer may be confined. An iridium oxide layer may be formed on both the cathode and the anode for efficient transduction at the electrode-electroyte interface in the environment of the pacemaker patient's body.

REFERENCES:
patent: 3735766 (1973-05-01), Bowers et al.
patent: 4407302 (1983-10-01), Hirshom et al.
patent: 4440178 (1984-04-01), Bussard et al.
patent: 4502492 (1985-03-01), Bornzin
patent: 4573481 (1986-03-01), Bullare
Robblee et al, "Activated Ir: An Electrode . . . ", J. Electrochem Soc. pp. 731-733, vol. 130, No. 3, Mar. 1983.

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