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    • 6. 发明申请
    • Air polishing prophylaxis system
    • 空气抛光预防系统
    • US20060160046A1
    • 2006-07-20
    • US11244634
    • 2005-10-06
    • Lanny NesbittMatthew BartoPatrick Riley
    • Lanny NesbittMatthew BartoPatrick Riley
    • A61C3/02
    • B24C7/0069A61C1/0084A61C3/025A61C17/0217
    • A dental apparatus provides a substantially uniform concentration of abrasive material entrained in a pressurized gas to a desired location substantially irrespective the amount of abrasive material in a pressurized container of the apparatus, and resists clogging by the abrasive material. The apparatus includes a control unit having a container that secures the abrasive material, the abrasive material in the container becoming entrained in pressurized gas received from a dental unit. The concentration of the mixture of entrained abrasive material in pressurized gas is maintained by upwardly directing the flow of the mixture in a first conduit against a cap, a portion of the entrained abrasive material returning to the container, with the regulated mixture of entrained abrasive material in pressurized gas being delivered through a hand piece to the desired location.
    • 牙科设备提供了基本上与夹带在加压气体中的研磨材料基本上均匀的浓度,所述研磨材料基本上与设备的加压容器中的研磨材料的量无关,并且抵抗了研磨材料的堵塞。 该装置包括具有固定磨料的容器的控制单元,容器中的研磨材料被夹带在从牙科单元接收的加压气体中。 夹带的研磨材料在加压气体中的混合物的浓度通过向上引导混合物在第一导管中的流动抵抗盖子,一部分夹带的研磨材料返回到容器中,通过夹带的磨料的调节混合物 在加压气体中通过手持件输送到期望的位置。