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Temporal Bone Anatomy Relevant to Insertion of Multichannel Cochlear Implant Electrode Tomoyuki Hoshino 1 1Department of Otolaryngology, Hamamatsu University School of Medicine pp.399-402
Published Date 1994/5/20
DOI https://doi.org/10.11477/mf.1411900918
  • Abstract
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Eight adult temporal bones were dissected under a stereoscopic microscope to find the safest drilling point for insertion of a multichannel cochlearimplant electrode. Two other temporal bones were decalcified and sliced into 1.1 mm-thick sections, upon which measurements were made of the various structures relevant to electrode insertion. The safest and least destructive entry point into the scala tympani of the basal turn seemed to be the antero-inferior portion adjacent to the exposed round window membrane. Jacobson's nerve serves as a guide for drilling when the round window niche cannot be found.


Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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