Apparatus and method for automatically determining...

H - Electricity – 04 – R

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H04R 25/00 (2006.01) A61B 5/12 (2006.01) A61F 11/00 (2006.01) A61F 11/04 (2006.01) A61N 1/36 (2006.01)

Patent

CA 2230603

Disclosed is an arrangement allowing for automatic calculation of stimulation parameters, for example dynamic ranges for stimulation, in an auditory prosthesis, for example a multichannel cochlear implant. The arrangement includes, in a preferred form, an electrode (12) for detecting activity of the stapedius muscle, and uses the electrode array (5) to sense neural response to stimulation, so that a maximum comfortable stimulation level and threshold level for each channel can be determined. The process may be initiated by the implantee, avoiding the requirement for external equipment and extensive audiological testing.

Cette invention concerne un agencement permettant le calcul automatique de paramètres de stimulation, associés par exemple à des gammes dynamiques de stimulation, dans une prothèse auditive, du type implant cochléaire multicanal. Dans une réalisation préférée, ledit arrangement comporte une électrode (12) qui détecte l'activité du muscle de l'étrier et un réseau d'électrodes (5) qui capte la réponse neuronale à la stimulation, afin de rendre possible l'évaluation d'un niveau maximum de stimulation sans inconfort et d'un niveau seuil pour chaque canal. Le porteur de l'implant peut lui même initier ce processus, ce qui lui permet de se passer d'un équipement externe et d'une évaluation audiométrique importante.

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