Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1997-12-16
1998-12-15
Getzow, Scott M.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
607 5, A61N 105, A61N 139
Patent
active
058490310
ABSTRACT:
An implantable medical lead for use with an implantable cardioverter defibrillator, a method of manufacture and a system employing the lead and cardioverter/defibrillator in combination. The lead is provided with an elongated insulative lead body carrying a cardioversion/defibrillation electrode, which includes a first portion displaying essentially equal attenuation of positive and negative voltage pulses and a second portion displaying differential attenuation of positive and negative voltage pulses. The cardioveter/defibrillator provides a biphasic pulse in which a higher amplitude phase of the pulse is differentially attenuated by the electrode. The electrode is fabricated in whole or in part of a valve metal such as tantalum, anodized and annealed to provide a thick, durable oxide coating.
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Laske Timothy G.
Lipson David
Martinez Gonzalo
Duthler Reed A.
Getzow Scott M.
Medtronic Inc.
Patton Harold R.
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