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    • 2. 发明授权
    • Dental handpiece
    • 牙科手机
    • US07011521B2
    • 2006-03-14
    • US10388030
    • 2003-03-12
    • Alexandre SierroLutz Beerstecher
    • Alexandre SierroLutz Beerstecher
    • A61C3/02
    • A61C3/025A61C1/0076B24C7/0076
    • A dental handpiece for use with a device for treatment of teeth by a jet of an abrasive powder mixed with air and water has a first one-way valve in a first supply line for pressurised air connected to an integrated powder container of a gripping sleeve and at least a first filter is further provided in this first supply line at a position upstream of the first one-way valve and downstream of a connecting end where the supply line connects with a common supply for air and water which is provided at the rearward end of the gripping sleeve. A second filter is provided at a position downstream of the first one-way valve in the first supply line and a second one-way valve is provided in a second supply line for water together with a third filter. The first and third filters each have a fine-meshed screen body. The second filter has a microporous sintered metallic body or a microporous plastic body.
    • 用于与通过与空气和水混合的研磨粉末的喷射处理牙齿的装置的牙齿手柄具有第一单向阀,所述第一单向阀在用于加压空气的第一供应管线中连接到夹紧套筒的集成粉末容器, 至少第一过滤器还在第一单向阀的上游位置和连接端的下游位置处设置在该第一供应管线中,在连接端的下游,供应管路与用于空气和水的公共供应装置相连, 的夹紧套筒。 第二过滤器设置在第一供给管路中的第一单向阀下游的位置,第二单向阀与第三过滤器一起设置在第二供水管路中。 第一和第三滤光片均具有细网格屏幕体。 第二过滤器具有微孔烧结金属体或微孔塑料体。
    • 3. 发明授权
    • Dental abrasive blasting or jet apparatus
    • 牙齿喷砂或喷射装置
    • US06485304B2
    • 2002-11-26
    • US09867234
    • 2001-05-29
    • Lutz BeerstecherJörg Wittmann
    • Lutz BeerstecherJörg Wittmann
    • A61C302
    • A61C3/025
    • A dental abrasive blasting or jet apparatus is provided with an interconnected handpiece having a nozzle arrangement which is supplied with a dental powder as stored in a powder reservoir and delivered under pressure by a gaseous carrier medium via a powder supply line together with a fluid that is supplied via a separate fluid supply line. The apparatus is provided with a separate fluid receptacle or bottle which is filled with a flushing or rinsing liquid for being selectively supplied to the nozzle arrangement of the handpiece via a branch line having a change-over directional valve downstream of a suction pump for supplying the flushing or rinsing liquid to the portion of the fluid supply line that is directly connected with the handpiece.
    • 牙科磨料喷射或喷射装置设置有互连的手持件,其具有喷嘴装置,该喷嘴装置被供给存储在粉末储存器中的牙科粉末,并通过粉末供应管线与气体载体介质一起在压力下输送, 通过单独的流体供应管线供应。 该设备设置有单独的流体容器或瓶子,其被填充有冲洗或冲洗液体,用于经由分支管线选择性地供应到手持件的喷嘴装置,该分支管线具有在抽吸泵下游的转换方向阀, 冲洗或冲洗液体到与手持件直接连接的流体供应管线的部分。