Array of bipolar electrodes

Details Array of bipolar electrodes Array of bipolar electrodes

1988-08-25

1991-03-19

Green, Randall L.

Surgery

Truss

Pad

1284206, 623 10, A61N 105

Patent

active

050001949

ABSTRACT:
The invention provides an array of electrodes suitable for use as an auditory prosthesis. The array comprises a carrier member formed from electrically insulating flexible material, having a surface and a core, the carrier member including at least a pair of electrodes molded therein, the electrodes comprising a length of contact material formed in a semi-circular shape, having a convex contact surface and a locking portion defining an internal space. The electrode is molded in the carriers so that the convex contact surface of the electrode is preferably flush with the carrier member surface. The locking portion of the electrode is molded into the core of the carrier member in the electrode connected to a lead wire which is molded in the core of the carrier member. The invention further provides a method for fabricating such an array of bipolar electrodes.

REFERENCES:
patent: 4284856 (1981-08-01), Hochmair et al.
patent: 4750499 (1988-06-01), Hoffer
patent: 4762135 (1988-08-01), van der Puije et al.
patent: 4819647 (1989-04-01), Byers et al.
patent: 4832051 (1989-05-01), Jarvik et al.
Rubinstein et al., Recessed and Surface-Mounted Electrodes for Auditory Prostheses: Effects on Histopathology, Abstracts of the Tenth Midwinter Research Meeting, Association for Research in Otolaryngology (Feb. 1-5, 1987).
Hochmair-Desoyer et al., Design and Fabrication of Multi-Wire Scala Tympani Electrodes, Annals of the New York Academy of Sciences, vol. 405, pp. 173-182.
Loeb et al., Design and Fabrication of an Experimental Cochlear Prosthesis, Medical & Biological Engineering and Computing, vol. 21, pp. 241-244 (May 1983).
Clark et al., A Cochlear Implant Round Window Electrode Array, The Journal of Laryngology and Otology, vol. 93, pp. 107-109 (Feb. 1979).
van den Honert, Single Fiber Mapping of Spatial Excitation Patterns in the Electrically Stimulated Auditory Nerve, Hearing Research, vol. 29, pp. 195-206 (1987).

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