Early warning for lead insulation failure

Details Early warning for lead insulation failure Early warning for lead insulation failure

2005-06-30

2008-11-18

Layno, Carl H (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S028000

Reexamination Certificate

active

07454249

ABSTRACT:
An exemplary implantable device includes a microcontroller programmed to control delivery of cardiac therapy, a connector capable of making an electrical connection to an insulated conductor associated with an exposed electrode and a circuit connected to the conductor to measure an electrical half-cell potential of the electrode via the conductor and to signal the microcontroller if a defect occurs with respect to the insulated conductor. Such a defect may be an insulation defect and/or a conductor defect. Other exemplary methods, devices, systems, etc., are also disclosed.

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Dorwarth, Uwe MD et al., “Transvenous Defibrillation Leads: High Incidence of Failure During Long-Term Follow-up,” J. Cardivasc Electrophysiol, vol. 14, pp. 38-43, Jan. 2003.

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