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    • 11. 发明申请
    • Otoscope
    • 耳镜
    • US20050027169A1
    • 2005-02-03
    • US10897590
    • 2004-07-23
    • Ervin GoldfainSteven SlawsonEric AndreassenCynthia KuiperElizabeth StaplesRaymond Lia
    • Ervin GoldfainSteven SlawsonEric AndreassenCynthia KuiperElizabeth StaplesRaymond Lia
    • A61B1/227A61B1/267
    • A61B1/00188A61B1/227A61B1/2275
    • An otoscope permitting examination of a patient's ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The otoscope includes an imaging lens train disposed within the instrument head, wherein each of the imaging lens train, an eyepiece and a distal opening of said insertion portion are aligned along an optical axis. The otoscope further includes a focusing mechanism for selectively moving at least one of the imaging lens train and the optics contained within the eyepiece relative to one another along the optical axis. The imaging lens train and the optics in the eyepiece define an optical system such that an entrance pupil is substantially located in the distal insertion portion of the instrument head, thereby enabling the entire tympanic membrane to be viewed at once by the user.
    • 允许检查患者耳朵的耳镜由包括可插入耳朵的近端和远侧插入部分的器械头限定。 耳镜包括设置在仪器头内的成像透镜序列,其中成像透镜列,目镜和所述插入部分的远端开口中的每一个沿着光轴排列。 耳镜还包括聚焦机构,用于沿着光轴相对于彼此选择性地移动成像透镜系列和包含在目镜内的光学器件中的至少一个。 成像透镜列和目镜中的光学元件限定了光学系统,使得入射光瞳基本上位于仪器头部的远侧插入部分中,从而使用者能够立即观察整个鼓膜。