Graeme Clark Collection

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Author: Clark, Graeme × Author: Shepherd, Robert × End date: 1999 × Start date: 1990 × Subject: electrode arrays × Subject: otolaryngology ×

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    Peri-modiolar electrode arrays: a comparison of electrode position n the human temporal bone
    Shepherd, R. K. ; Treaba, C. G. ; Cohen, L. ; Pyman, B. ; Huigen, J. ; Xu, J. ; Clark, Graeme M. (Monduzzi Editore, 1997)
    This paper describes a radiologic evaluation of three types of peri-modiolar arrays, comparing their trajectory within the scala tympani with a standard Mini-22 electrode. All peri-modiolar arrays were found to lie closer to the modiolus for much of their insertion length compared with the standard array. While one design showed evidence for the potential of increased insertion trauma, two designs produced satisfactory results. Although further electrode development, temporal bone and histopathologic studies arE required, it would appear that the benefits of peri-modiolar electrode arrays will be realised clinically.
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    Comparison and alternate designs for peri-modiolar electrode arrays: insertion trauma and position [Abstract]
    Shepherd, R. K. ; Treaba, C. G. ; Pyman, B. C. ; Clark, Graeme M. ( 1997)
    While it has been shown that the straight but flexible banded electrode array can be safely inserted into the scala tympani of the human cochlea, histological studies have revealed that the array lies along the outer walll.2. Since a profound total hearing loss is generally associated with a moderate to complete degeneration of the spiral ganglion peripheral process, these electrodes lie some distance from their target neural population -the spiral ganglion soma -located within Rosenthal's canal.