cochlear implant
Doctor Graeme Clark invented the Cochlear implant (bionic ear) at the University of Melbourne.
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Cochlear Implant
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.
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A cochlear implant.
its a machine
The cochlear implant replaces the function of the damaged or missing hair cells in the cochlea, which are responsible for converting sound vibrations into electrical signals that can be interpreted by the brain.
http://www.cochlearamericas.com/
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mastoidectomy