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Robotic Cochlear Implantation for Direct Cochlear Access
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Concept and first Implementation of an intracochlearly navigated Electrode Array for Cochlear Implantation.

Christian W D Scheunemann, Johannes Taeger, Sandra V Brecht

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |September 10, 2022
    PubMed
    Summary

    This study introduces a computer-assisted system for cochlear implantation, offering real-time visualization of electrode array insertion. This innovation aims to improve surgical precision and patient hearing outcomes in cochlear implant procedures.

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    Area of Science:

    • Biomedical Engineering
    • Otolaryngology
    • Neurosurgery

    Background:

    • Cochlear implants (CI) are vital for hearing restoration in deafness.
    • Accurate electrode array (EA) insertion is critical for CI efficacy.
    • Current visualization methods for EA insertion are limited, creating a "black box" during surgery.

    Purpose of the Study:

    • To develop a computer-assisted, image-guided system for real-time visualization of EA insertion.
    • To overcome limitations of current visualization techniques in cochlear implantation surgery.

    Main Methods:

    • Developed a system using an electromagnetic tracking system.
    • Integrated a sensor into the EA prototype tip to track position and orientation.
    • Visualized EA position in real-time using presurgical image data.

    Main Results:

    • Successfully inserted an EA prototype into a human temporal bone cochlea.
    • Achieved high accuracy in EA placement.
    • Attained a maximum insertion angle of 120°.

    Conclusions:

    • The developed system provides precise, real-time visualization of EA insertion.
    • This technology has the potential to enhance surgical accuracy and improve hearing outcomes for CI patients.