Shielded carbon lead for medical electrodes

Details Shielded carbon lead for medical electrodes Shielded carbon lead for medical electrodes

1993-06-28

1996-06-04

Nimmo, Morris H.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

128639, 174102SC, 174106R, 174106SG, H01B 734

Patent

active

055235344

ABSTRACT:
An elongated flexible lead conducts electrical biosignals from a medical electrode attached to a person's skin to a recording instrument and the lead is translucent to X-rays. The lead includes a primary center conductor formed by a bundle of conductive fibers such as carbon fibers, and a tubular layer of electrical insulating plastic material surrounds the fibers. An electrical conducting non-metallic shielding member extends around the tubular layer, and in one embodiment includes a bundle of the carbon fibers surrounded by a tubular layer of electrical conductive plastic material. A tubular layer of electrical insulating plastics material surrounds the shielding member, and the shielding member has an effective low electrical resistance close to that of the primary center conductor.

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