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    • 2. 发明申请
    • IMPROVED DENTAL VENEER INSTRUMENT
    • 改进的牙科单板仪器
    • WO2008106078A2
    • 2008-09-04
    • PCT/US2008002445
    • 2008-02-26
    • DEN MAT HOLDINGS LLCMEEKER IRVING AIBSEN ROBERT L
    • MEEKER IRVING AIBSEN ROBERT L
    • A61C5/00
    • A61C3/00A61C5/00
    • A device adapted to facilitate retention and release of a dental laminate includes an elongated main body having a channel extending through it, a resilient element connected to a first end of the main body for contact with the dental laminate, a connector disposed at a second end of the main body adapted to communicate the channel with vacuum suction, and a particularly configured valve body. The valve body includes a passage defined therein that is selectively rotatable between increased and decreased alignments with the main body channel to permit variable fluid flow through the channel as well as to essentially cut off fluid flow through the channel when desired. A bearing assembly is also disposed between an extension of the connector and a proximal portion of the elongated main body, thereby permitting essentially stress-free rotational movement between the connector and the main body.
    • 适于促进牙齿层压材料的保持和释放的装置包括具有延伸穿过其的通道的细长主体,连接到主体的第一端以用于与牙科层压材料接触的弹性元件,设置在牙科层压材料的第二端 适于通过真空抽吸连通通道的主体和特别配置的阀体。 阀体包括限定在其中的通道,该通道可在与主体通道的增大和减小的对准之间选择性地旋转,以允许可变的流体流动通过通道并且在需要时基本切断通过通道的流体流动。 轴承组件还设置在连接器的延伸部和细长主体的近侧部分之间,从而允许连接器和主体之间基本无应力的旋转运动。