Implantable electrode with variable mechanical modulation...

Details Implantable electrode with variable mechanical modulation... Implantable electrode with variable mechanical modulation...

A - Human Necessities

61

N

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

Patent

CA 2751569

A cochlear implant electrode is described. A basal electrode lead carries electrical stimulation signals from an implant housing to a cochleostomy opening, and a portion of the electrode lead has a periodically recurring lead shape. An apical electrode array at the cochleostomy end of the electrode lead passes into a cochlea scala and includes electrode contacts for applying the electrical stimulation signals to target neural tissue. A portion of the electrode array has a periodically recurring array shape different from the lead shape.

L'invention concerne une électrode d'implant cochléaire. Un fil d'électrode basale transporte des signaux de stimulation électrique d'un boîtier d'implant vers un orifice de cochléostomie, et une partie du fil d'électrode a une forme de fil périodiquement récurrente. Un ensemble d'électrodes apical à l'extrémité cochléostomie du fil d'électrode passe dans une rampe de la cochlée et comprend des contacts d'électrode pour appliquer les signaux de stimulation électrique au tissu neural cible. Une partie de l'ensemble d'électrodes a une forme d'ensemble périodiquement récurrente qui est différente de la forme de fil.

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