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    • 4. 发明授权
    • Ultrasonic scaler
    • 超声波定标器
    • US06619957B1
    • 2003-09-16
    • US09504129
    • 2000-02-15
    • James G. MoschAllen G. HoubePeter H. WernerRobert F. Hecht
    • James G. MoschAllen G. HoubePeter H. WernerRobert F. Hecht
    • A61C107
    • A61C17/20
    • The invention provides an ultrasonic scaler, comprising: a scaler tip, actuator material, a coil, a hand-piece housing, and an air driven electrical current generator. The actuator material, the coil and the air driven electrical current generator are enclosed by the hand-piece housing. The scaler tip is connected to the actuator material. Preferably the actuator material is [Tb0.30Dy0.70Fe1.92]. The invention provides an ultrasonic scaler including a scaler tip, actuator material, a coil, a hand-piece housing, and a frequency control circuit. The actuator material, the coil and the frequency control circuit are enclosed by the hand-piece housing. The scaler tip is connected to the actuator material.
    • 本发明提供了一种超声波定标器,包括:定标器尖端,致动器材料,线圈,手持式壳体和空气驱动的电流发生器。 致动器材料,线圈和空气驱动的电流发生器由手持壳体包围。 缩放器尖端连接到致动器材料。 优选地,致动器材料是[Tb0.30Dy0.70Fe1.92]。 本发明提供一种超声波定标器,其包括定标器尖端,致动器材料,线圈,手持式壳体和频率控制电路。 致动器材料,线圈和频率控制电路由手持式外壳包围。 缩放器尖端连接到致动器材料。
    • 5. 发明授权
    • Method and apparatus for tooth cleaning using abrasive powders
    • 使用研磨粉进行牙齿清洁的方法和装置
    • US06315565B1
    • 2001-11-13
    • US09422422
    • 1999-10-21
    • Noel SlotkeRichard H. PaschkeAllen G. HoubeRobert J. Schuman
    • Noel SlotkeRichard H. PaschkeAllen G. HoubeRobert J. Schuman
    • A61C1500
    • A61C3/025
    • A tooth cleaning system having a unitary elastomeric injection molded flexible protective shield, and a nozzle having an end portion extending into the shield. The shield is connected to a source of vacuum and has an inner wall having an inner wall perimeter. The nozzle is connected to a fluid source. The fluid from the fluid source travels directly from the nozzle to less than half of the area enclosed by the perimeter. The nozzle is pivotally supported whereby the nozzle is readily repositioned to positions angularly offset from the central axis of the shield to direct fluid from the nozzle to the entire tooth surface enclosed by the perimeter of the shield. The invention provides a method of cleaning teeth including providing a flexible plastic shield positioned against a tooth surface while pressure within the chamber formed by the flexible protective shield and the tooth surface is reduced to a pressure below ambient atmospheric pressure.
    • 一种牙齿清洁系统,其具有单一的弹性体注射成型的柔性防护罩,以及具有延伸到护罩中的端部的喷嘴。 屏蔽件连接到真空源并且具有内壁周边的内壁。 喷嘴连接到流体源。 来自流体源的流体直接从喷嘴移动到由周边包围的区域的一半以下。 喷嘴被枢转地支撑,由此喷嘴容易地重新定位到与屏蔽件的中心轴线成角度偏移的位置,以将流体从喷嘴引导到由屏蔽件的周边包围的整个齿表面。 本发明提供了一种清洁牙齿的方法,包括提供抵靠牙齿表面定位的柔性塑料屏蔽,同时由柔性防护罩和牙齿表面形成的腔室内的压力降低到低于环境大气压力的压力。