Cochlear SPrint Sound Processor Technické informace stáhnout pdf (Strana 57)

CLINICAL GUIDANCE | SECTION TWO

SECTION TWO | CLINICAL GUIDANCE

SECTION 2: PROGRAMMING

RECOMMENDATIONS FOR

SPECIALTY DEVICES

2.1 SPECIALTY DEVICES

2.1.1 ABI

The Nucleus

24 ABI (Auditory Brainstem Implant) is functionally very similar

to the Nucleus 24 cochlear implant and uses the same receiver/stimulator

(Figure 1).

The ABI is supported by the following sound processors:

• Freedom

™

(with Custom Sound

™

)

• SPrint

™

The main differences between the ABI implant and the other cochlear

implants include:

• The electrode array comprizes 21 platinum disk electrodes, 0.7 mm

in diameter, mounted on a silicone carrier in three rows of seven. The

silicone carrier measures 8.5 mm x 3.0 mm x 0.6 mm. The 21 stimulating

electrodes correspond to E2-E22 in the programming – there is no E1

connection (Figure 2).

• A removable magnet is ﬁtted in the centre of the implant’s receiver coil. A

surgeon may remove this and replace with a non-magnetic plug during a

Nucleus 24 ABI surgery.

Figure 1 : The

Nucleus 24 ABI

implant

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Cochlear SPrint Sound Processor Technické informace Strana 57