Cochlear implant - Definition

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A cochlear implant represents a medical device that allows someone with impaired hearing to gain back some or all of his hearing capacity. Patients benefiting from this type of electronic implant are those who are "profoundly deaf or severely hard of hearing", for whom hearing aids are not able to sufficiently improve their situation. The device functions through the main unit being fixed in the petrous portion of the temporal bone, while the small external speech processor is positioned behind the ear.