Graeme Clark Collection

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http://hdl.handle.net/11343/375

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Author: DAHM, MARKUS × End date: 2001 × Type: Conference Item × Subject: cochlear implants ×

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    Post mortem study of the intracochlear position of the nucleus standard 22 electrode array
    XU, JIN ; Dahm, M. C. ; Tykocinski, Michael. ; Shepherd, Robert K. ; Clark, Graeme M. ( 2000)
    The final position of an intracochlear cochlear implant electrode array can vary depending on the pathology, the insertion technique used and the type of electrode array used. The distance of the electrodes from the target neural elements and the presence of intracochlear fibrous tissue or new bone formation are believed to affect the performance of the device. A post mortem study was conducted to assess these factors.
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    Insertion study using new peri-modiolar electrode array designs [Abstract]
    Treaba, Claudiu ; Clark, Graeme M. ; Cowan, Robert S. ; Tykocinski, Michael J. ; Cohen, Lawrence T. ; Saunders, Elaine ; Pyman, Brian C. ; Briggs, Robert S. ; Dahm, Markus C. ( 1999)
    Intracochlear multi-channel cochlear implants have been shown to successfully provide auditory information for profoundly deaf patients by electrically stimulating discrete populations of auditory nerve fibers via a scala tympani (ST) electrode array. Histological and radiological examination of implanted human temporal bones showed that the current straight Nucleus® array is usually positioned against the outer wall of the ST. An electrode array close to the modiolus could be expected to reduce stimulation thresholds and result in a more localized neural excitation pattern.