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    Apparatus for use in maxillary orthopaedics
    1.
    发明授权
    Apparatus for use in maxillary orthopaedics 失效
    用于上颌骨矫形器的装置

    公开(公告)号：US4255138A

    公开(公告)日：1981-03-10

    申请号：US071500

    申请日：1979-08-31

    申请人： Hermann-Josef Frohn

    发明人： Hermann-Josef Frohn

    IPC分类号： A61C7/00

    CPC分类号： A61C7/00

    摘要： Apparatus for use in maxillary orthopaedics comprises a time-measuring device 18 fitted in a cavity in a moulding means 13 which is made of plastics material and is carried in the mouth. The time-measuring device 18 consists of an electronic counter which is connected to an impulse generator. The impulse generator is actuated by a switch 17 which is arranged to be in a different state according to whether the device is worn or not. The time-measuring device is connected, via leads 20' and switch 17, to a battery 16 also fitted in a cavity in the moulding means 13.

    摘要翻译： 用于上颌骨矫形器的装置包括装配在模制装置13中的空腔中的时间测量装置18，模制装置13由塑料材料制成并被携带在口中。 时间测量装置18由连接到脉冲发生器的电子计数器组成。 脉冲发生器由开关17驱动，开关17根据装置是否被磨损而处于不同的状态。 时间测量装置经由引线20'和开关17连接到也装配在模制装置13中的空腔中的电池16。