Multipolar cardiac pacemaker lead

Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator

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A61N 105

Patent

active

052516431

ABSTRACT:
A multipolar cardiac pacemaker lead wherein the distal end carries a first electrode and at least one sleeve-like additional electrode is provided between the first electrode and the proximal end. Each additional electrode is positively connected with a corresponding helically wound wire-like conductor of the lead by a tubular conductor within an insulating sheath of the lead and by one or more flexible metallic bands each of which has a distal portion soldered or welded to the internal surface of the respective additional electrode, a second portion soldered or welded to the respective tubular conductor, and an S-shaped or Z-shaped intermediate portion extending between and contacting the adjacent convolutions of the respective wire-like conductor. Each tubular conductor is welded or soldered to at least one adjacent convolution of the corresponding wire-like conductor. The wire-like conductors are electrically insulated from each other.

REFERENCES:
patent: 4387727 (1983-06-01), Sandstrom
patent: 4590950 (1986-05-01), Iwaszkiewicz
patent: 4608986 (1986-09-01), Beranek et al.
patent: 4628943 (1986-12-01), Miller

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