Wimmer, Wilhelm; Venail, Frederic; Williamson, Tom; Akkari, Mohamed; Gerber, Nicolas; Weber, Stefan; Caversaccio, Marco; Uziel, Alain; Bell, Brett (2014). Semiautomatic Cochleostomy Target and Insertion Trajectory Planning for Minimally Invasive Cochlear Implantation. BioMed research international, 2014, p. 596498. Hindawi Publishing Corporation 10.1155/2014/596498
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596498.pdf - Published Version Available under License Creative Commons: Attribution (CC-BY). Copyright © 2014 Wilhelm Wimmer et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Download (3MB) | Preview |
A major component of minimally invasive cochlear implantation is atraumatic scala tympani (ST) placement of the electrode array. This work reports on a semiautomatic planning paradigm that uses anatomical landmarks and cochlear surface models for cochleostomy target and insertion trajectory computation. The method was validated in a human whole head cadaver model (n = 10 ears). Cochleostomy targets were generated from an automated script and used for consecutive planning of a direct cochlear access (DCA) drill trajectory from the mastoid surface to the inner ear. An image-guided robotic system was used to perform both, DCA and cochleostomy drilling. Nine of 10 implanted specimens showed complete ST placement. One case of scala vestibuli insertion occurred due to a registration/drilling error of 0.79 mm. The presented approach indicates that a safe cochleostomy target and insertion trajectory can be planned using conventional clinical imaging modalities, which lack sufficient resolution to identify the basilar membrane.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ear, Nose and Throat Disorders (ENT) 10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Hearing Research Laboratory 10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Image Guided Therapy |
UniBE Contributor: |
Wimmer, Wilhelm, Williamson, Tom, Gerber, Nicolas, Weber, Stefan (B), Caversaccio, Marco, Bell, Brett |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
2314-6133 |
Publisher: |
Hindawi Publishing Corporation |
Language: |
English |
Submitter: |
Lars Marius Schwalbe |
Date Deposited: |
10 Feb 2015 07:57 |
Last Modified: |
29 Mar 2023 23:34 |
Publisher DOI: |
10.1155/2014/596498 |
PubMed ID: |
25101289 |
BORIS DOI: |
10.7892/boris.62758 |
URI: |
https://boris.unibe.ch/id/eprint/62758 |
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