Cochlear SPrint Sound Processor Informações Técnicas descarregar pdf (Página 67)

CLINICAL GUIDANCE | SECTION TWO

For supplementary programming guidelines for the Nucleus Freedom Processor

for Nucleus 24 ABI (ABI24M) using Custom Sound 2.0 or Custom Sound 3.0,

please contact your Cochlear representative.

2.1.1.3 Managing Side Effects

• Investigate narrower bipolar combinations, which either use or traverse

electrodes giving auditory sensations in monopolar mode (if any),

especially where these sensations have the largest dynamic range.

Investigate bipolar combinations which represent different physical

orientations.

• If there were no auditory sensations in monopolar mode, concentrate on

areas where non-auditory sensations start at the highest levels. Avoid, as

far as possible, areas with strong or uncomfortable side effects.

• Avoid using (either as an active or indifferent) electrodes which have a

low threshold of non-auditory sensation, especially if that sensation is

uncomfortable.

• If T-levels and/or C-levels approach the maximum safe stimulation levels

(or cannot be obtained at all), switch to wider bipolar combinations.

• Aim to have a logical arrangement of electrodes, rather than a mesh or

‘cobweb’ of overlapping currents, unless electrode combinations are very

limited, and unless all selected combinations give different pitch sensations.

• Avoid creating more channels than are functionally beneﬁcial, or using the

same electrode many times as an active electrode.

The aim of this process is to narrow the area giving the best auditory

sensations. This is largely dependent upon what the recipient reports, but

in general, try to obtain the narrowest stimulation modes with the largest

dynamic range.

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