Electrode for use in implanting in a living body
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United States of America Patent
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-
Oct 23, 1990
Grant Date -
N/A
app pub date -
Jun 6, 1988
filing date -
Aug 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an electrode which is implanted in a living body, and which is used as an electrical stimulation system for the functional training or restoration of paralyzed muscles, and for the measurement of electrical signals of the living body, and the like. The electrode comprises: a core comprising a plurality of infinitesimal stainless steel wires of over 180 kg/mm.sup.2 in tensile strength and under 25 microns in diameter; and a resin coat provided on the surface of the core, made of a resin compatible with the living body. According to one aspect of the invention, the diameter of the electrode is under 0.3 mm; the electrode is provided with a spirally coiled part along its longitudinal direction; the core is stranded in one direction; and the above mentioned coiled part is coiled in the direction opposite to the stranding direction of the core.
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