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A cochlear implant round window electrode array.

G M Clark, J F Patrick, Q Bailey

    The Journal of Laryngology and Otology
    |February 1, 1979
    PubMed
    Summary
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    This study introduces a new multiple-electrode array for cochlear implantation. The robust system allows for minimally traumatic insertion into the scala tympani, enabling bipolar stimulation.

    Area of Science:

    • Otorhinolaryngology
    • Biomedical Engineering
    • Neurosurgery

    Background:

    • Cochlear implantation is a vital treatment for severe to profound hearing loss.
    • Minimally invasive electrode insertion techniques are crucial for preserving cochlear function.
    • Bipolar stimulation offers potential advantages in cochlear implant efficacy.

    Purpose of the Study:

    • To present a novel multiple-electrode array designed for round window cochlear implantation.
    • To evaluate the system's reliability and trauma-minimizing insertion capabilities.
    • To confirm its suitability for bipolar stimulation.

    Main Methods:

    • Development of a robust, multiple-electrode array system.
    • Testing of the array's insertion along the scala tympani to a depth of 20 mm.

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  • Assessment of the system's capacity for bipolar stimulation.

    • Main Results:

    • The electrode array is robust and reliable for insertion.
    • The system facilitates insertion up to 20 mm within the scala tympani.
    • Minimal trauma is achieved during insertion.
    • The array supports bipolar stimulation.

    Conclusions:

    • The developed multiple-electrode array is a reliable and effective tool for round window cochlear implantation.
    • Its design minimizes surgical trauma and allows for precise electrode placement.
    • The system is suitable for bipolar stimulation, potentially enhancing hearing restoration outcomes.