Moving coil actuator for middle ear implants

H - Electricity – 04 – R

Patent

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Details

H04R 25/00 (2006.01)

Patent

CA 2658268

A hearing enhancement includes an audio processor that generates an electrical audio signal and transmits the signal to a coil. The coil is implanted into a patient in a position that results in transmission of mechanical stimulation to the inner ear when the coil is spatially displaced. A permanent magnet is placed in proximity to the coil so that when the coil receives the electrical audio signal form the processor, the induced coil magnetic field in the coil interacts with the magnetic field from the permanent magnet to spatially displace the coil and, as a result, transmit the mechanical stimulation to the inner ear.

L'invention concerne une amélioration de l'audition, qui comprend un processeur audio qui génère un signal audio électrique et transmet le signal à une bobine. La bobine est implantée dans un patient dans une position qui conduit à l'émission d'une stimulation mécanique à l'oreille interne lorsque la bobine est déplacée dans l'espace. Un aimant permanent est placé à proximité de la bobine, de telle sorte que, lorsque la bobine reçoit le signal audio électrique provenant du processeur, le champ magnétique de bobine induit dans la bobine interagit avec le champ magnétique provenant de l'aimant permanent pour déplacer dans l'espace la bobine ce qui a pour résultat d'émettre la stimulation mécanique à l'oreille interne.

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