Percutaneously inserted spinal cord stimulation lead

Details Percutaneously inserted spinal cord stimulation lead Percutaneously inserted spinal cord stimulation lead

1976-02-23

1977-08-30

Michell, Robert W.

Surgery

Truss

Pad

128419R, A61N 104

Patent

active

040447740

ABSTRACT:
A lead is disclosed for being inserted within a human or animal body for applying electrical stimulation to the spinal cord of the recipient, whereby selected pain is effectively relieved by the application of an electrical signal of selected frequency, pulsewidth and amplitude to the lead. In particular, the lead comprises a spherically-shaped, distal electrode adapted to be disposed near a selected segment of the spinal cord whereby maximum stimulation may be applied to the afferent nerves passing therethrough, a first conductor taking the form of a helically-wound coil extending from the distal electrode to a first tubular contact, and a second conductor disposed axially of the first-mentioned coil and forming an extension extending beyond the first-mentioned contact and terminated in a second tubular contact.

REFERENCES:
patent: 3348548 (1967-10-01), Chardack
patent: 3568660 (1971-03-01), Crites
patent: 3788329 (1974-01-01), Friedman
patent: 3924639 (1975-12-01), Hess
Nathan et al., "Temporary-Permanent...Surgery", J. of Thorac & C. Surgery, vol. 64, 1972, pp. 957-958.
"Temporary Pacing Postoperatively in many Cardiac Surgery Patients", Cordis Corp., 1975.

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