Metal working – Method of mechanical manufacture – Electrical device making
Patent
1986-04-22
1987-08-18
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
26427215, 26427216, 1284206, 128784, H01R 4300
Patent
active
046867651
ABSTRACT:
A method is disclosed for making an intracochlear multielectrode array having a spiral configuration, at least generally conforming to the scala tympani of a cochlea. The array is formed in a two-part mold and comprises an elastomeric carrier supporting a plurality of metallic electrodes in fixed positions thereon. Each electrode has an associated lead to provide a plurality of leads and composite rib structure extending from a basal portion of the array to an apical portion thereof. Each electrode and associated lead is formed from a flattened metallic wire. The wire leads are stacked in the mold to permit the wires to flex in the direction of their spiral curvatures, facilitating insertion of the array into a cochlear, but to prevent transverse flexing thereof.
REFERENCES:
patent: 4284856 (1981-08-01), Hochmair et al.
patent: 4400590 (1983-08-01), Michelson
"Multichannel Cochlear Implants: Electrode Design Surgical Considerations", pp. 258-260; R. A. Schindler et al., Artificial Organs, 1981.
"Cochlear Implants: Case Selection and Technique", pp. 55-62; B. F. O'Reilly, Ear, Nose & Throat Journal, 1981.
"Design and Fabrication of an Experimental Cochlear Prosthesis"--pp. 241-254, G. E. Loeb et al, Medical & Biological Engineering and Computing, distributed 1983.
Byers Charles L.
Loeb Gerald E.
Merzenich Michael M.
Rebscher Stephen J.
Arbes Carl J.
Goldberg Howard N.
Regents of the University of California
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