Medical leads with frequency independent magnetic resonance...

Details Medical leads with frequency independent magnetic resonance... Medical leads with frequency independent magnetic resonance...

2011-01-04

2011-01-04

Layno, Carl H (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

Reexamination Certificate

active

07865247

ABSTRACT:
A medical device having a diode configuration in a lead assembly that substantially reduces induced currents in a lead assembly and at a tissue interface. The diodes configure an electrical path such that a stimulation pulse travels from the medical device to a selected tissue, and a current induced by an external changing electromagnetic signal is reduced and/or prevented from travelling the electrical path from the selected tissue to the medical device. The diodes may be at least partially contained in an electrode of the medical device.

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patent: 6829509 (2004-12-01), MacDonald et al.
patent: 7091412 (2006-08-01), Wang et al.
patent: 0 288 539 (1987-07-01), None
PCT International Search Report for PCT/US2007/087710 mailed Dec. 3, 2008.

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