Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1993-04-01
1994-11-22
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
607119, A61N 136
Patent
active
053664965
ABSTRACT:
A body implantable cardioversion/defibrillation device includes an electrically conductive lead, three lead extensions coupled to the lead through a junction body, and an electrode array consisting of three electrodes, one electrode being coupled to each of the lead extensions. Each electrode has several separate electrically conductive paths, including a primary conductor in the form of a helically wound coil, and a linear shunt conductor in the form of a cable surrounded by the primary coil. The shunt cable is a composite, including a DBS core surrounded by an insulative coating. A dielectric sheath surrounds the shunt cable, preventing the cable from contacting the primary coil and isolating the shunt cable from contact with body tissue or body fluids. At each end of each electrode is a connector structure including a shunt connector attached to an end of the shunt cable, and an outer coil connector surrounding an end of the primary coil and the shunt connector. Both connectors are crimped to maintain the electrical and mechanical coupling. The junction body includes an electrically conductive plate having several bores directed inwardly into the plate. A thin wall portion on one side of each bore can be crimped following insertion of each lead or lead extension, to secure the electrical and mechanical connection.
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Cardiac Pacing and Electrophysiology Proceedings of VIII World Symp. on C.P. and Elephys., Jerusalem, Israel, Jun. 7-11, 1987, Belhassen Feldman and Copperman (Eds) "Electrode System for Closed Chest Ventricular Defibrillation" (Obel et al) pp. 465-472.
"Nonthoracotomy Internal Defibrillation in Dogs: Threshold Reduction Using a Subcutaneous Chest Wall Electrode With a Transvenous Catheter Electrode" Jule Wetherbee JACC, vol. 10, No. 2, Aug. 1987:406-11.
Dahl Roger W.
Fangel Jayne G.
Swanson David K.
Cardiac Pacemakers Inc.
Getzow Scott M.
Kamm William E.
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