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video markers for the larynx

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  • video markers for the larynx

    Dear Biomch-l Subscriber,

    We are currently developing a mechanical model of the human
    larynx. We are looking for a marker that can be attached to
    the vocal folds and viewed through a high speed video
    laryngoscope (the scope is placed through the nasal cavity and
    films from above the vocal folds). Our subjects would rather not
    have anything metal, plastic or radioactive left in their body.
    One subject is willing to have methylene blue "tatooed" to her
    vocal folds. Does anyone know of a biodegradable marker that
    can be attached easily to moist tissue? All suggestions of
    material or a more sensible way of monitoring vocal fold
    movements would be appreciated.

    Sincerely

    Scott Selbie, PhD
    Voice and Speech Unit, NIH
    Bethesda, Maryland

    selbie@alw.nih.gov
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