Conclusion: A robot built specifically for stereotactic cochlear implantation provides equal or better accuracy levels together with a better integration into a clinical environment, when compared to existing approaches based on industrial robots. Objectives: To evaluate the technical accuracy of a robotic system developed specifically for lateral skull base surgery in an experimental setup reflecting the intended clinical application. The invasiveness of cochlear electrode implantation procedures may be reduced by replacing the traditional mastoidectomy with a small tunnel slightly larger in diameter than the electrode itself. Methods: The end-to-end accuracy of the robot system and associated image-guided procedure was evaluated on 15 temporal bones of whole head cadaver specimens. The main components of the procedure were as follows: reference screw placement, cone beam CT scan, computer-aided planning, pair-point matching of the surgical plan, robotic drilling of the direct access tunnel, and post-operative cone beam CT scan and accuracy assessment. Results: The mean accuracy at the target point (round window) was 0.56 ± 41 mm with an angular misalignment of 0.88 ± 0.41°. The procedural time of the registration process through the completion of the drilling procedure was 25 ± 11 min. The robot was fully operational in a clinical environment.


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    Titel :

    A self-developed and constructed robot for minimally invasive cochlear implantation


    Beteiligte:
    Bell, Brett (Autor:in) / Stieger, Christof (Autor:in) / Gerber, Nicolas (Autor:in) / Arnold, Andreas (Autor:in) / Nauer, Claude (Autor:in) / Hamacher, Volkmar (Autor:in) / Kompis, Martin (Autor:in) / Nolte, Lutz (Autor:in) / Caversaccio, Marco (Autor:in) / Weber, Stefan (Autor:in)

    Erscheinungsdatum :

    01.04.2012


    Anmerkungen:

    Bell, Brett; Stieger, Christof; Gerber, Nicolas; Arnold, Andreas; Nauer, Claude; Hamacher, Volkmar; Kompis, Martin; Nolte, Lutz; Caversaccio, Marco; Weber, Stefan (2012). A self-developed and constructed robot for minimally invasive cochlear implantation. Acta oto-laryngologica, 132(4), pp. 355-360. Stockholm: Informa Healthcare 10.3109/00016489.2011.642813



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629



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