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    • 2. 发明专利
    • Water preventing system for dental handpiece
    • 牙科手术防水系统
    • JP2010227538A
    • 2010-10-14
    • JP2009237172
    • 2009-10-14
    • Nakanishi:Kk株式会社ナカニシ
    • KIMURA TAKAOMIZUNUMA MASANORI
    • A61C1/08
    • A61C1/055A61C1/145
    • PROBLEM TO BE SOLVED: To provide a water preventing system in a dental handpiece which prevents the head of the dental handpiece from being invaded by contaminated water into the upper and lower bearings, the gear wheel, or the like of the head, when a head bar is used to treat teeth together with water jetted through an inserted water-jetting nozzle.
      SOLUTION: The dental handpiece, which is a center water jetting type handpiece, includes a water preventing system in which a sealing material is mounted between the upper of the outside sleeve and the upper bearing while a further sealing material is mounted between the lower of the inside sleeve and the lower bearing.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了在牙科手机中提供防水系统,防止牙科手机的头部被污染的水侵入头部的上下轴承,齿轮等中, 当头杆用于通过插入的喷水嘴喷射的水一起处理牙齿。 解决方案:作为中心喷水式手机的牙科手机包括防水系统,其中密封材料安装在外套筒的上部和上轴承之间,而另一个密封材料安装在 内套筒和下轴承的下部。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Medication injection device and method
    • 药物注射装置和方法
    • JP2007185524A
    • 2007-07-26
    • JP2007062738
    • 2007-03-13
    • Pro-Dex Incプロ−デツクス・インコーポレーテツド
    • WU GIN
    • A61C19/08A61B17/34A61C1/05A61C1/08A61M5/31A61M5/315A61M5/32
    • A61C19/08A61B17/3472A61C1/055A61M2005/3289
    • PROBLEM TO BE SOLVED: To provide an intraosseous and/or hard tissue drug delivery system that combines perforating and drug delivering functions in one device and one operation. SOLUTION: The medication injection method and related device are disclosed. The device includes a hollow drill bit 12 though which anesthetic or other medication is delivered. The device preferably includes the hollow drill bit 12, a disposable fluid dispenser 24, a handpiece 16, a handle 18, and a foot control pedal. The device can deliver anesthetic or other medication before, during and/or after drilling of a tooth or bone structure without removing the drill bit 12. The invention relates to an intraosseous and/or hard tissue drug delivery system that combines perforating and drug delivering functions in one device and one operation. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供在一个装置和一个操作中组合穿孔和药物递送功能的骨内和/或硬组织药物递送系统。 解决方案:公开了药物注射方法及相关装置。 该装置包括中空钻头12,尽管麻醉剂或其它药物被输送。 该装置优选地包括中空钻头12,一次性流体分配器24,手持件16,手柄18和脚踏控制踏板。 该装置可以在钻取牙齿或骨骼结构之前,期间和/或之后递送麻醉剂或其它药物,而不需要移除钻头12.本发明涉及组合穿孔和药物递送功能的骨内和/或硬组织药物递送系统 在一个设备和一个操作。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Drive motor of dental handpiece
    • 牙科手机驱动电机
    • JP2014061222A
    • 2014-04-10
    • JP2012209323
    • 2012-09-24
    • Nakanishi:Kk株式会社ナカニシ
    • MUTO SHINICHIROMATSUSHITA YUTONAKAMURA AKITO
    • A61C1/06
    • A61C1/055A61C1/06H02K9/02H02K9/16
    • PROBLEM TO BE SOLVED: To provide a technique of miniaturizing a motor for use in a surgical handpiece.SOLUTION: A motor 1, the front end side of which is connected to the dental handpiece, applies a drive force to a cutting tool of the handpiece. The motor 1 of the dental handpiece includes: a cylindrical case 2; a rotor unit 10 that is rotatably supported inside the case 2 and outputs the driving force; a stator unit 20 provided around the rotor unit 10 inside the case 2; and an air path that causes cooling air supplied from the front end side to pass through an airtight cooling room R circumferentially extending between the stator unit 20 and the case 2, and to be discharged from the rear end side.
    • 要解决的问题:提供一种使用于外科手持机械的马达的小型化技术。解决方案:电动机1的前端侧连接到牙齿手柄,向手持件的切割工具施加驱动力 。 牙科手机的马达1包括:圆筒形壳体2; 转子单元10,其被可旋转地支撑在壳体2内并输出驱动力; 设置在壳体2内部的转子单元10周围的定子单元20; 以及使从前端侧供给的冷却空气通过在定子单元20与壳体2之间周向延伸的气密性冷却室R的空气路径,并从后端侧排出。