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    • 10. 发明授权
    • Video otoscope
    • 视频耳镜
    • US5919130A
    • 1999-07-06
    • US818422
    • 1997-03-17
    • Richard A. MonroeDavid G. PerkinsRobert J. Wood
    • Richard A. MonroeDavid G. PerkinsRobert J. Wood
    • A61B1/04A61B1/227
    • A61B1/042A61B1/227
    • A video otoscope includes an elongated body portion having a conically shaped insertion portion sized for insertion a predetermined distance into an ear canal. The insertion portion includes a tip opening and an interior having a lens system for focusing an optical image of a target onto a distally positioned imager each contained therein. The body portion includes an insufflation port to pressurize or apply a vacuum within the ear canal to allow stimulation of the tympanic membrane. In a preferred embodiment, a clear speculum releasably attached to the insertion portion transmits light to a target within the ear canal, while also allowing insufflated air to be reliably guided to the tip opening.
    • 视频耳镜包括细长的主体部分,其具有尺寸适于将预定距离插入到耳道中的锥形插入部分。 插入部分包括尖端开口和内部,其具有用于将目标物的光学图像聚焦到每个容纳在其中的远侧定位的成像器上的透镜系统。 身体部分包括用于在耳道内加压或施加真空以允许刺激鼓膜的吹入口。 在优选实施例中,可释放地附接到插入部分的透明窥镜将光透射到耳道内的靶,同时还允许吸入空气可靠地被引导到尖端开口。