Medical electrode lead

Details Medical electrode lead Medical electrode lead

1988-10-31

1991-05-21

Smith, Ruth S.

Surgery

Truss

Pad

128785, 128798, 128799, A61N 105

Patent

active

050166450

ABSTRACT:
A medical electrode lead employing one or more elongated electrode coils embedded in the surface of a flexible base pad. The electrode coils take the form of space wound coils following tortuous paths over the surface of the base pad to provide a large surface area electrode. The electrode coils include a plurality of spaced, generally parallel electrode coil segments. Located intermediate adjacent the parallel electrode coil segments are grooves or pleats, molded into the base pad. These grooves or pleats provide increased elasticity of the electrode and increased ability to conform to the contours of the heart. Insulative cores taking the form of plastic tubes are located within the electrode coils to prevent tissue ingrowth between the individual electrode coils, without induly reducing flexibility of the electrode.

REFERENCES:
patent: 724913 (1903-04-01), Montgomery
patent: 3942536 (1976-03-01), Mirowski et al.
patent: 4030509 (1977-06-01), Heilman et al.
patent: 4161952 (1979-07-01), Kinney et al.
patent: 4291707 (1981-09-01), Heilman et al.
patent: 4641656 (1987-02-01), Smits
patent: 4817634 (1989-04-01), Holleman et al.
patent: 4827932 (1989-05-01), Ideker et al.
Brochure entitled "Medtronic Myocardial Pacing Lead Model 5815A", MC 760589b, Apr. 1979, by Medtronic, Inc.
Article entitled "Post-Operative Variations in the Electrophysiology of the Epicardial Onlay Pacemaker Lead", by Nicholas P. D. Smyth, M.D., Medical Annals of the District of Columbia, vol. 40, No. 1, Jan. 1971, pp. 12-15.

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