Electrode array with non-uniform electrode spacing

Details Electrode array with non-uniform electrode spacing Electrode array with non-uniform electrode spacing

2007-02-27

2007-02-27

Evanisko, George R. (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

Reexamination Certificate

active

09649293

ABSTRACT:
An electrode array for use with a cochlear implant is disclosed, which has electrodes selectively spaced to better target selected regions of the cochlea. In one form, the spacing between adjacent electrodes decreases towards an apical end of the array allowing the electrodes to better target receptors on the inner wall of the scala timpani of the cochlea.

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Hochmair-Desoyer et al., “An Eight Channel Scala Tymapari Electrode for Auditory Prostheses”, IEEE Transactions in Biomedical Engineering, vol. BME-27, No. 1, pp. 44-50 (Jan. 1980).
Fu and Shannon, “Effects of Electrode . . . Implant”, Aug. 1999.
Fu, et al., “Effects of Electrode Location and Spacing on Phoneme Recognition with the Nucleus-22 Cochlear Implant,”Ear&Hearing, 1999.
Supplementary European Search Report, May 19, 2004.
International Search Report, PCT/AU00/01020, dated Oct. 9, 2000.

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