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COMBI 40+ Standard <strong>El</strong>ectrode Array<br />
Meeting Individual Needs<br />
Unique to MED-EL, the COMBI 40+ is available in a range of electrode options to meet individual<br />
needs, such as electrodes for cases of cochlear ossification or malformation.<br />
24 contacts arranged as connected pairs for 12-channel high-rate stimulation<br />
The COMBI 40+ Standard <strong>El</strong>ectrode Array is designed for deep electrode insertion (approx. 31mm)<br />
for stimulation of the complete frequency range. This provides access to more low pitch information<br />
containing important speech cues such as intonation, vowel discrimination and some binaural cues.<br />
COMBI 40+ Compressed <strong>El</strong>ectrode Array (C40+ S)<br />
Specially designed for partial ossification or malformation of the cochlea<br />
The COMBI 40+ Compressed <strong>El</strong>ectrode Array features 12 pairs of electrode contacts equally spaced<br />
over a length of only 12.1 mm. This makes it possible to insert more channels in a partially or<br />
completely ossified cochlea than with a standard electrode.<br />
COMBI 40+ Split <strong>El</strong>ectrode Array (C40+ GB)<br />
Specially designed for complete ossification of the cochlea<br />
The COMBI 40+ Split <strong>El</strong>ectrode Array consists of two separate electrode branches, one with 5 and<br />
one with 7 pairs of electrode contacts. <strong>El</strong>ectrode contacts are spaced at the same distance as in<br />
the Compressed <strong>El</strong>ectrode Array. These active arrays are designed for insertion into two<br />
cochleostomies to maximize the number of inserted electrode contacts and optimize performance.<br />
SPECIAL IMPLANTS FOR SPECIAL CASES<br />
In addition to the electrode arrays discussed above, MED-EL is committed to working with cochlear implant professionals<br />
to provide implant solutions for special anatomical situations. Please contact your nearest MED-EL office for<br />
more information on special implant designs.<br />
1) D'Haese P et al., The investigation of the binaural effect in bilateral cochlear implant users, presented at the XXVI International Congress of Audiology, Melbourne,<br />
March 2002, The Australian and New Zealand Journal of Audiology, Volume 23, Number 2, 2002 Addendum.<br />
2) Sorri et al, <strong>Cochlear</strong> <strong>Implant</strong>s and GSM phones, Scandinavian Audiology 2001, 30: Suppl 52:54-6.<br />
3) Helms J et al., Comparison of the TEMPO+ Ear-level Speech Processor and the CIS PRO+ Body-Worn Processor in Adult MED-EL <strong>Cochlear</strong> <strong>Implant</strong> Users,<br />
ORL 2001; 63:31-40.<br />
4) Stöbich et al., Presented at the 2nd Congress of Asia Pacific Symposium on <strong>Cochlear</strong> <strong>Implant</strong> and Related Sciences, Comparison of performance of the MED-<br />
EL body worn speech processor CIS-PRO+ with the new MED-EL BTE-speech processor TEMPO+ in adults, April 1999.<br />
5) Teissl, et al. Magnetic Resonance Imaging and <strong>Cochlear</strong> <strong>Implant</strong>s: Compatibility and Safety Aspects, Journal of Magnetic Resonance Imaging 9:26-38 (1999)<br />
6) Teissl, et al. <strong>Cochlear</strong> <strong>Implant</strong>s: In Vitro Investigation of <strong>El</strong>ectromagnetic Interference at MR Imaging-Compatibility and Safety Aspects, Radiology, September<br />
1998.<br />
7) Youssefzadeh, et al. MR Compatibility of MED-EL <strong>Cochlear</strong> <strong>Implant</strong>s: Clinical Testing at 1.0 T, J. Comput. Assist. Tomogr 22(3:346-50) 1998.<br />
MED-EL Worldwide Headquarters<br />
Fürstenweg 77a, A-6020 Innsbruck, Austria<br />
Tel: +43-512 28 88 89, Fax:+43-512-29 33 81
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