Techniques for minimizing radiofrequency-induced tissue heating

Details Techniques for minimizing radiofrequency-induced tissue heating Techniques for minimizing radiofrequency-induced tissue heating

2006-11-30

2011-12-13

Bockelman, Mark W (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

08078286

ABSTRACT:
Methods and systems are provided for wirelessly powering a medical device in a living subject using external radiofrequency energy. A radiofrequency driving unit outside the subject irradiates the medical device. A passive antenna is positioned outside the subject, generally opposing the driving unit to redirect the field generally toward the device. The reradiating element increases uniformity of the electromagnetic field produced by the driving unit, which reduces local tissue heating in the subject and in personnel attending the subject.

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