Cochlear implants have magnets in them which interfere with the MRI process. The magnet from the implant will require removal before the MRI exam, but can be replaced after the scan. There are cochlear implants nowadays which can undergo medical procedures such as MRI's without removing anything.
Doctor Graeme Clark invented the Cochlear implant (bionic ear) at the University of Melbourne.
Cochlear Implant
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Cochlear implant. A cochlear implant (CI) is a surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing. The cochlear implant is often referred to as a bionic ear.
A cochlear implant.
its a machine
Nothing
mastoidectomy
http://www.cochlearamericas.com/
Yes
Easy. You don't.
cochlear implant