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Cochlear implant with its two main components. The external part, which is placed behind the ear, is composed of a microphone, an audio processor, a battery and a coil, kept in place in front of the internal part by a magnet. The internal part is placed during a surgical procedure under general anesthesia. The implant transmits the electrical stimulation to the fibers of the cochlear nerve through electrodes placed in the cochlea (from MED-EL© 2021).
