Surgery for an Improved Multiple-Channel Cochlear Implant | Zendy

Graeme M. Clark | Zendy; B. C. Pyman | Zendy; Quentin E. Bailey | Zendy; R. L. Webb | Zendy; Robert K. Shepherd | Zendy

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Surgery for an Improved Multiple-Channel Cochlear Implant

Author(s) -

Graeme M. Clark,

B. C. Pyman,

Quentin E. Bailey,

R. L. Webb,

Robert K. Shepherd

Publication year - 1984

Publication title -

annals of otology rhinology and laryngology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.65

H-Index - 91

eISSN - 1943-572X

pISSN - 0003-4894

DOI - 10.1177/000348948409300302

Subject(s) - cochlear implant , round window , electrode array , implant , materials science , electrode , biomedical engineering , surgery , medicine , inner ear , anatomy , audiology , chemistry

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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