Porous pacemaker electrode tip using a porous substrate

Details Porous pacemaker electrode tip using a porous substrate Porous pacemaker electrode tip using a porous substrate

1988-05-20

1989-07-04

Cohen, Lee S.

Surgery

Truss

Pad

128786, 128419P, A61N 105

Patent

active

048440990

ABSTRACT:
An implantable sitmulating lead for a cardiac pacemaker has a distal tip having a surface area adapted to physically contact heart tissue for pacing the heart tissue, sensing heart contractions and promoting tissue ingrowth. The distal tip includes a conductive electrode and a porous non-conductive substrate, which together define the surface area of the distal tip. The conductive electrode and porous substrate are provided as first and second members, although the surface area of each is adaptive to present a singular, smooth distal tip region for the electrode lead.

REFERENCES:
patent: 3911928 (1975-10-01), Lagergren
patent: 4011861 (1977-03-01), Enger
patent: 4149542 (1979-04-01), Thoren
patent: 4407302 (1983-10-01), Hirshorn et al.
patent: 4408604 (1983-10-01), Hirshorn et al.
patent: 4502492 (1985-03-01), Bornzin
patent: 4506680 (1985-03-01), Stokes

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