PMID: 11314713Apr 21, 2001Paper

The contour electrode array: safety study and initial patient trials of a new perimodiolar design

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
M TykocinskiRobert S C Cowan

Abstract

The aim of these studies was to investigate the insertion properties and safety of a new intracochlear perimodiolar electrode array design (Contour). An electrode array positioned close to the neural elements could be expected to reduce stimulation thresholds and might potentially reduce channel interaction. Two sequential studies were conducted. In study 1, the Contour electrode array was inserted in 12 human temporal bones. After cochlear surface preparation, the position of the array was noted and the basilar membrane was examined for insertion damage. On the basis of the outcome of this temporal bone study, study 2 investigated the Contour array, mounted on a Nucleus CI-24 M device and implanted in three adult patients. Study I showed that in 10 temporal bones, the Contour array was positioned close to the modiolus, and the basilar membrane was intact. In the two remaining bones, the arrays had pierced the basilar membrane and were positioned in the scala vestibuli apical to the penetration. Statistical analysis showed an equivalent probability of insertion-induced damage of the two array designs. In study 2, image analysis indicated that the Contour electrodes were positioned closer to the modiolus than the standard Nucleu...Continue Reading

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Citations

Mar 4, 2005·Medical & Biological Engineering & Computing·T Hanekom
Aug 2, 2007·The Journal of Laryngology and Otology·S BerrettiniS Passetti
Nov 5, 2008·The Journal of Laryngology and Otology·R RamalingamH S Padmaja
Jul 14, 2011·Journal of Neural Engineering·Qing TangFan-Gang Zeng
Mar 9, 2002·Ear and Hearing·Aaron J ParkinsonKiara Ebinger
Dec 27, 2005·Ear and Hearing·F B van der BeekJ H M Frijns
Jul 17, 2010·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Jae-Ryong KimLee-Suk Kim
Sep 26, 2008·Journal of Rehabilitation Research and Development·Stephen J RebscherPatricia A Leake
Apr 27, 2013·International Journal of Audiology·Andrew BotrosSaji Maruthurkkara
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Mar 29, 2014·The Journal of Comparative Neurology·Ersin AvciAndrej Kral
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Feb 9, 2005·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Antje AschendorffRoland Laszig
Jun 24, 2009·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Gerrit PaascheThomas Lenarz
Sep 2, 2009·Journal of Neural Engineering·Stephen J O'LearyHugh J McDermott

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