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    • 6. 发明授权
    • Reciprocating dental prophylactic angular device
    • 往复式牙科预防角度装置
    • US4544356A
    • 1985-10-01
    • US671739
    • 1984-11-15
    • John M. GardellaCasimir CiepierskiMichael AlfanoTiang-Shing Chang
    • John M. GardellaCasimir CiepierskiMichael AlfanoTiang-Shing Chang
    • A61C17/00A61C1/07
    • A61C17/005
    • A dental prophylactic device has a handle section containing a drive member and a driven section at a substantial angle to the handle section containing a driven member also at an angle to the driving member. The handle section includes a longitudinally oscillatable cam follower supported parallel to the handle axis. When the cam follower is translated around the axis by the rotation of the drive shaft, it is caused to oscillate by one end contacting the stationary cam follower track. The other end engages a slot parallel to the axis of a cam at an angle to the cam follower thereby causing the cam to oscillate back and forth over an arc of at least 50.degree. to approximately 150.degree., maintaining the connection between the cam follower and the cam by the use of the slot which permits the cam follower, in effect, to move up and down with respect to the cam as it oscillates. The cam oscillates a cup which may contain prophylactic material and the reversing action limits the ability of the material to be thrown out of the cup and obviates unintended movement of the cup over the surface of a tooth which occurs in the case of rotation in a single direction. A special sealing ring and its compartment, remotely located from the head of the spindle, provides an excellent seal.
    • 牙科预防装置具有手柄部分,该手柄部分包含驱动部件和被驱动部分,所述驱动部件和被驱动部分与手柄部分成大体角度,该部分包含与驱动部件成一定角度的从动部件。 手柄部分包括平行于手柄轴线支撑的纵向可摆动的凸轮从动件。 当凸轮从动件通过驱动轴的旋转绕轴线平移时,通过与固定凸轮从动轨道接触的一端使其摆动。 另一端与凸轮从动件的角度平行于凸轮的轴线接合,从而使凸轮在至少50°至大约150°的弧度上来回摆动,保持凸轮从动件和 通过使用允许凸轮从动件的槽的凸轮在实际上相对于凸轮在其摆动时上下移动。 凸轮摆动可能含有预防材料的杯子,并且反向动作限制了材料被抛出杯子的能力,并避免了杯子在牙齿表面上的意想不到的移动,这种情况在单一旋转的情况下发生 方向。 一个特殊的密封环及其隔间,远离主轴头部,提供了极好的密封。
    • 9. 发明授权
    • Multimedication syringe
    • 多重注射器
    • US4581015A
    • 1986-04-08
    • US608884
    • 1984-05-10
    • C. Michael Alfano
    • C. Michael Alfano
    • A61M5/178A61M5/20A61M5/31A61M39/04
    • A61M5/3129A61M39/04A61M5/1782A61M5/204A61M5/3137
    • A multimedication syringe for temporary storage and injection of at least two fluid substances comprising a hollow tubular housing having a generally cylindrical wall, an open rear end and a generally tapered partially closed front end defining a discharge passage; a plunger including a portion sized for moving axially within the housing through substantially the entire length thereof, the portion including a plug surrounding the portion for engaging the inner surface of the housing in a fluid-tight manner, the plunger for forcing fluid in the housing out the discharge passage when the plunger is moved axially within the housing from the open end toward the discharge passage; and a resealable tube in the wall of the housing for transmitting fluid into the housing.
    • 一种用于临时储存和注入至少两种流体物质的多用途注射器,包括具有大致圆柱形壁,敞开的后端和限定排出通道的大致锥形的部分封闭的前端的中空管状壳体; 柱塞,其包括尺寸适于在壳体内基本上在其整个长度上轴向移动的部分,该部分包括围绕该部分的塞子,用于以流体密封的方式与壳体的内表面接合,柱塞用于迫使流体在壳体 当所述柱塞从所述开口端朝向所述排出通道在所述壳体内轴向移动时,排出所述排出通道; 以及在壳体的壁中的可重新密封的管,用于将流体传送到壳体中。