Observation and Recording of Laryngeal View by Use of a Modified Oblique-angled Type Telescope

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  • Honda Kiyoshi
    Department of Otorhinolaryngology, Faculty of Medicine, University of Tokyo
  • Kobayashi Takeo
    Department of Otorhinolaryngology, Faculty of Medicine, University of Tokyo
  • Tsubaki Yasukiyo
    Department of Otorhinolaryngology, Faculty of Medicine, University of Tokyo
  • Ushijima Tatsujiro
    Reserch Instiute of Logopedics and Phoniatrics Faculty of Medicine, University of Tokyo
  • Hirose Hajime
    Reserch Instiute of Logopedics and Phoniatrics Faculty of Medicine, University of Tokyo
  • Sawashima Masayuki
    Reserch Instiute of Logopedics and Phoniatrics Faculty of Medicine, University of Tokyo

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Other Title
  • 側視型スコープによる喉頭像の観察と記録
  • ガワ シガタ スコープ ニヨル コウトウゾウ ノ カンサツ ト キロク

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Abstract

A new system for observation and recording of the laryngeal view has been attained by use of a mcdified oblique-angled type telescope conbined with a powerful light source. The scope can be connected to an ordinary 35mm camera with a motor-drive device, a 16mm cine-camera, or a video-TV camera.<BR>The laryngeal view through the new scope is quite similar with that obtained by an indirect laryngoscopy. The oblique view angle is 70° for better visualization of the area near the anterior commissure of the vocal folds. We could obtain a clear picture of the laryngeal patholgy even in a 5 y-o child without any difficulty. For still photos a slide-type film (ASA 100) was used with no pushing and successful pictures were obtained in full-size.<BR>It was considerd that our tystem is usefull not only for clinical but also for educational purposes.

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