Cochlear implant

H - Electricity – 04 – R

Patent

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H04R 25/00 (2006.01)

Patent

CA 2411782

A totally implantable cochlear implant system forming a single implantable unit (40). The unit (40) has an implantable power source (43) that provides the power requirements of the implantable unit (40). The unit (40) also has an on-board microphone (42) that detects external sounds, such as speech, and outputs acoustic signals representative of the detected sounds. The unit further includes speech processor circuitry (44) that directly receives the acoustic signals from the microphone (42) and converts the signals into stimulation signals representative of the detected sounds. An electrode array (20) suitable for insertion of the cochlea (12) of an implantee receives the stimulation signals and transmits electrical stimulations to the implantee's auditory nerve (9).

L'invention concerne un système d'implant cochléaire entièrement interne formant une unité interne (40) unique. Cette unité (40) présente une source d'alimentation (43) interne qui fournit l'énergie requise pour l'unité interne (40). L'unité (40) présente également un microphone (42) incorporé qui détecte des sons extérieurs, tels que la parole, et émet des signaux acoustiques représentant les sons détectés. L'unité comprend encore des circuits (44) de traitement de la parole qui reçoivent directement les signaux acoustiques depuis le microphone (42) et convertissent ces signaux en signaux de stimulation représentant les sons détectés. Un réseau d'électrodes (20) conçu pour être inséré dans la cochlée (12) d'un patient reçoit les signaux de stimulation et transmet des stimulations électriques au nerf auditif (9) du patient.

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