Current sensing coil for cochlear implant data detection

Details Current sensing coil for cochlear implant data detection Current sensing coil for cochlear implant data detection

2003-08-29

2009-11-24

Bockelman, Mark W (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S060000

Reexamination Certificate

active

07623929

ABSTRACT:
A detection circuit for sensing signals in an implantable cochlear stimulator is provided. The detection circuit has a primary coil winding which is part of the detected circuit. The primary coil is placed adjacent to and coupled electromagnetically to a secondary coil winding which is connected to an isolated circuit. The isolated circuit has circuit means for processing the induced current in the isolated current. Because a transformer is employed, the detection circuit draws only minimal power from the detected circuit, and the sensed output voltage can be flexibly scaled.

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