Surgery – Truss – Pad
Patent
1980-11-03
1983-07-19
Kamm, William E.
Surgery
Truss
Pad
128419P, A61N 104
Patent
active
043938833
ABSTRACT:
A dual chamber pacing lead requiring but a single transvenous pass for implantation. The ventricular electrode has tines for sustaining acute and chronic fixation. The ventricular electrode is coupled to a first conductor which is space wound having an insulation sheath. The proximal end of the first space wound coil protrudes slideably from a first connector pin of a bifurcated connector assembly. An optional stylet may be inserted into the first space wound coil to assist in ventricular placement. A second space wound coil is slideably located over the first space wound coil. The second space wound coil serves as a support means rather than a conductor. The proximal end of the second space wound coil is fixedly attached to the connector assembly. The first space wound coil protrudes near the distal end of the second space wound coil. A third space wound coil having an insulating sheath serves as a conductor having the distal end attached to the tined atrial electrode and the proximal end coupled to a second pin of the bifurcated cable. The distal end of the third space wound coil is located coaxially within the second space wound coil. A stylet straightens the distal end of the third space wound coil which assumes a "J" shaped upon removal of the stylet. An outer sheath encloses the second and third space wound coils from the bifurcated connector to the atrial electrode.
REFERENCES:
patent: 3866615 (1975-02-01), Hewson
patent: 3976082 (1976-08-01), Schmitt
patent: 4057067 (1981-11-01), LaJos
patent: 4289144 (1981-09-01), Gilman
patent: 4332259 (1982-06-01), McCorkle, Jr.
Lead Manual for the Medtronic 6990U and 6991U Atrial Pacing Leads, MC 79 PE 0342, Aug. 1979, 10 pp.
Lesniak Jeanne M.
Smyth Nicholas P. D.
Stokes Kenneth B.
Breimayer Joseph F.
Duthler Reed A.
Kamm William E.
Medtronic Inc.
Rooney John L.
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