Surgery for an improved multiple-channel cochlear implant.

Abstract

An improved multiple-channel cochlear implant has been developed. The titanium container with enclosed electronics, the receiver coil, and the connector are embedded in medical-grade Silastic. The upper half of the implant has a diameter of 35 mm and a height of 4.5 mm, and the lower half a diameter of 23 mm and a height of 5 mm. The electrode array has also been designed to reduce the possibility of breakage due to repeated movements over many years. The surgery involves drilling a bed in the mastoid bone for the receiver-stimulator, and fixing the proximal electrode under the mastoid cortex. Gentle insertion of the electrode array through the round window and along the scala tympani is achieved with a specially designed microclaw .

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@article{Clark1984SurgeryFA, title={Surgery for an improved multiple-channel cochlear implant.}, author={G . M . Clark and Brian Pyman and Ralph L. Webb and Q E Bailey and Robert K. Shepherd}, journal={The Annals of otology, rhinology, and laryngology}, year={1984}, volume={93 3 Pt 1}, pages={204-7} }