Medical device sensing and detection during MRI

Details Medical device sensing and detection during MRI Medical device sensing and detection during MRI

2010-02-25

2011-10-18

Casler, Brian (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S410000, C600S016000, C600S017000, C600S508000, C607S009000, C607S119000

Reexamination Certificate

active

08041410

ABSTRACT:
A medical device includes a sensor for sensing for an MRI gradient magnetic field and a microprocessor for responding to the detected gradient magnetic field by switching from a first electrical signal processing mode to a second electrical signal processing mode, such that electrical signals induced by the gradient magnetic field and an associated RF burst are not counted as cardiac events.

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