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    • 7. 发明申请
    • RETRACTORS
    • 延迟器
    • US20050171406A1
    • 2005-08-04
    • US10371665
    • 2003-02-21
    • William Dorfman
    • William Dorfman
    • A61B1/24A61B1/32A61C5/14A61L20060101
    • A61B1/24A61C5/90
    • Retractors discussed herein include lip retractors that have four channel retainers to retain four portions of the lips. The four channel retainers are attached to four resilient members, which are adapted to bias the four channel retainers outwardly away from one another, which in turn retract the portions of the lips that are retained by the four channel retainers to expose the teeth and/or mouth. Optionally, the retractors may be equipped with a tongue retainer. If equipped, the tongue retainer is adapted to limit the tongue to further expose the backside of the teeth.
    • 本文讨论的牵开器包括具有四个通道保持器以保留唇部的四个部分的唇形牵开器。 四个通道保持器附接到四个弹性构件,这四个弹性构件适于将四个通道保持器彼此向外偏离,这又将缩回由四个通道保持件保持的唇部的部分以暴露牙齿和/或 口。 可选地,牵开器可以配备有舌保持器。 如果配备,舌片保持器适于限制舌头以进一步暴露牙齿的背面。
    • 8. 发明授权
    • Retractors
    • 牵引器
    • US06923761B1
    • 2005-08-02
    • US10371665
    • 2003-02-21
    • William Dorfman
    • William Dorfman
    • A61B1/24A61B1/32A61C5/14A61L20060101
    • A61B1/24A61C5/90
    • Retractors discussed herein include lip retractors that have four channel retainers to retain four portions of the lips. The four channel retainers are attached to four resilient members, which are adapted to bias the four channel retainers outwardly away from one another, which in turn retract the portions of the lips that are retained by the four channel retainers to expose the teeth and/or mouth. Optionally, the retractors may be equipped with a tongue retainer. If equipped, the tongue retainer is adapted to limit the tongue to further expose the backside of the teeth.
    • 本文讨论的牵开器包括具有四个通道保持器以保留唇部的四个部分的唇形牵开器。 四个通道保持器附接到四个弹性构件,这四个弹性构件适于将四个通道保持器彼此向外偏离,这又将缩回由四个通道保持件保持的唇部的部分以暴露牙齿和/或 口。 可选地,牵开器可以配备有舌保持器。 如果配备,舌片保持器适于限制舌头以进一步暴露牙齿的背面。