Implantable lead ring electrode and method of making

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

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128642, A61N 104

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active

054586291

ABSTRACT:
A novel flexible and highly fatigue resistant neural lead is provided having a body with multiple lumens, one of which may receive a stiffening stylet, and the others of which serve as conduits for bundle stranded wire conductors which make contact with ring electrodes at the distal end of the lead. The ring electrodes will be constructed according to a novel technique in which the body of the lead is etched or milled to provide notches and the ring electrodes are formed by enplacing a C-shaped conductor over the notch and closing it into place to provide an isodiametric lead construction.

REFERENCES:
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patent: 4379462 (1983-04-01), Borkan et al.
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patent: 4437474 (1984-03-01), Peers-Trevarton
patent: 4458695 (1984-07-01), Peers-Trevarton
patent: 4592372 (1986-06-01), Beranek
patent: 4608986 (1986-09-01), Beranek et al.
patent: 5246016 (1993-09-01), Lieber et al.
"Pisces Quad.COPYRGT. For Spinal Cord Stimulation (SCS) Model 3487A Lead," Medtronic Lead Implant Manual, Medtronic, Inc., Copyright 1990.

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