Cochlear implant stimulation with variable number of electrodes

Details Cochlear implant stimulation with variable number of electrodes Cochlear implant stimulation with variable number of electrodes

A - Human Necessities

61

N

A61N 1/05 (2006.01) A61N 1/36 (2006.01)

Patent

CA 2702751

A system and method for activating electrodes in an implanted electrode array with a stimulation signal is described. A stimulation definition stage, for each of a plurality of defined sound signal characteristics (C), assigns each electrode to one of a plurality of stimulation groups (G) each having an associated group stimulation amplitude function (A), where (G ) varies with (C). An electrode stimulator activates each electrode as the stimulation signal varies based on spectral components of the stimulation signal.

La présente invention concerne un système et un procédé permettant d'activer des électrodes dans une rangée d'électrodes implantées avec un signal de stimulation. Une étape de définition de stimulation, pour chaque caractéristique parmi plusieurs caractéristiques de signal sonore définies (C), attribue chaque électrode à un groupe parmi plusieurs groupes de stimulation (G), chacun présentant une fonction d'amplitude de stimulation de groupe associée (A), (G) variant avec (C). Un stimulateur d'électrode active chaque électrode en tant que signal de stimulation qui varie sur la base de composants spectraux du signal de stimulation.

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