Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Reexamination Certificate
2006-09-01
2009-02-17
Layno, Carl H. (Department: 3766)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
C607S055000, C607S056000, C607S137000, C600S559000, C381S320000
Reexamination Certificate
active
07493170
ABSTRACT:
An adaptive place-pitch ranking procedure for use with a cochlear implant or other neural stimulation system provides a systematic method for quantifying the magnitude and direction of errors along the place-pitch continuum. The method may be conducted and completed in a relatively short period of time. In use, the implant user or listener is asked to rank the percepts obtained after a sequential presentation of monopolar stimulation pulses are applied to a selected spatially-defined electrode pair. Should the patient's judgment of pitch order be correct for all applied interrogations, then no further testing involving the tested electrode pair (two electrode contacts) is undertaken. However, should there be errors in the place-pitch ranking, which errors evidence perceptual place-confusions, then a search is undertaken for the spread of the perceptual confusion by separating the target channel and competing channel by one electrode contact at a time. This search for the spread of confusion continues until no errors are made in all directions. Identified channels wherein pitch confusion exists may be deselected (not used) during normal operation of the cochlear implant.
REFERENCES:
patent: 6611717 (2003-08-01), Clark et al.
Kruger Tracey L
Segel Philip A
Advnaced Bionics, LLC
Gold Bryant R.
Heller Tammie K.
Layno Carl H.
Poissant Victoria A.
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