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1. 发明授权

US07011521B2 Dental handpiece 有权
标题翻译：牙科手机
公开(公告)号：US07011521B2
公开(公告)日：2006-03-14
申请号：US10388030
申请日：2003-03-12
申请人： Alexandre Sierro , Lutz Beerstecher
发明人： Alexandre Sierro , Lutz Beerstecher
IPC分类号： A61C3/02
CPC分类号： A61C3/025 , A61C1/0076 , B24C7/0076
摘要： 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.
摘要翻译：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。

2. 发明授权

US06837709B2 Nozzle piece for a handpiece of a dental apparatus 有权
标题翻译：用于牙科器械的手柄的喷嘴片
公开(公告)号：US06837709B2
公开(公告)日：2005-01-04
申请号：US10104686
申请日：2002-03-21
申请人： Alexandre Sierro , Lutz Beerstecher
发明人： Alexandre Sierro , Lutz Beerstecher
IPC分类号： A61C1/08 , A61C1/12 , A61C3/02 , A61C3/025 , A61C13/38
CPC分类号： A61C3/025
摘要： A nozzle piece for a handpiece of a dental abrasive blasting apparatus comprises a gripping member for connection with a head portion of the handpiece whereby the gripping member has a closed surface with a thusly defined curvature on its upper and underneath visual surfaces that discharge openings of two discharge nozzles of the nozzle piece are located close to a visual plane which by definition includes a longitudinal axis of the handpiece and outside of which are located the crossing points of two supply ducts with a common central axis of the two discharge nozzles, whereby the two supply ducts extend in parallel and inclined with respect to the longitudinal axis of the handpiece for defining an inclined discharge angle of a working jet of the nozzle piece.
摘要翻译：用于牙齿磨砂喷射装置的手持件的喷嘴件包括用于与手持件的头部连接的夹持构件，由此夹持构件具有在其上部和下部视觉表面处具有如此限定的曲率的封闭表面，排出两个喷嘴片的排出喷嘴位于靠近视觉平面的位置，该视平面根据定义包括手持件的纵向轴线，并且其外侧位于具有两个排出喷嘴的共同中心轴线的两个供应管道的交叉点处，由此两个供应管道平行延伸并且相对于手持件的纵向轴线倾斜，以限定喷嘴件的工作射流的倾斜排出角度。

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