Apparatus and method for the control of an implantable medical d

Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems

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607 59, A61N 136

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057229988

ABSTRACT:
An implantable medical device includes a giant magnetoresistance ratio (GMR) sensor is used to detect the presence of a magnet in order to command the device to enter a predetermined mode of operation. The GMR responds to a modulated magnetic field generated by the programming of a command transmitter apparatus for non-invasive programming or controlling of the implanted device. The implantable medical device also monitors for the presence of a steady magnetic field to place the implanted device in a known, safe mode.

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