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    Sub-millimeter tuning focus apparatus for a medical device
    10.
    发明授权
    Sub-millimeter tuning focus apparatus for a medical device 有权

    公开(公告)号：US11357389B1

    公开(公告)日：2022-06-14

    申请号：US16689634

    申请日：2019-11-20

    申请人： Yingjie Sun

    发明人： Yingjie Sun

    IPC分类号： A61B1/00 ,  A61B1/05 ,  G02B23/24

    摘要： A tuning focus apparatus designed for use with a camera coupled to a medical device is provided. The camera includes a base housing for storing an image sensor and an optical lens. The tuning focus apparatus includes a gear housing coupled to the base housing, a drive gear rotatably mounted to the gear housing, a driven gear rotatably mounted to the gear housing and connected to the drive gear, a gear rack disposed in the base housing and engaged with the driven gear, and a board coupled to the gear rack and designed to secure the image sensor thereon. Rotational movement of the drive gear drives the driven gear to slidably adjust the gear rack, thereby adjusting a separation distance between the image sensor and optical lens.