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    • 1. 发明申请
    • ENDODONTIC APPLIANCE AND RELATED METHOD
    • 内窥镜器具及相关方法
    • WO1992016174A1
    • 1992-10-01
    • PCT/US1992002268
    • 1992-03-19
    • THE HYGENIC CORPORATION
    • THE HYGENIC CORPORATIONRIAZI, John
    • A61G05/02
    • A61C5/50A61C5/55
    • An appliance (20) for use in conjunction with the obturation of prepared root canals employing a rigid carrier member (22) coated with a thermoplastic material (29) comprises an instrument (40) having a barrel (41), a movable plunger (42), and an orifice (48), and a quantity of the thermoplastic material (29) within the barrel. The orifice has a diameter greater than the distal end (30) of the rigid member, the member being insertable through the orifice and into the thermoplastic material whereby upon extrusion of a quantity of the thermoplastic material from the barrel, the rigid member is provided carrying a coating of thermoplastic material.
    • 一种用于与使用涂覆有热塑性材料(29)的刚性承载构件(23)制备的根管道结合使用的器具(20)包括具有筒体(41),可移动柱塞(43) )和孔(48),以及一定量的筒内的热塑性材料(29)。 孔口的直径大于刚性构件的远端(30),该构件可插入通过孔口并进入热塑性材料,由此当从筒体挤出一定数量的热塑性材料时,刚性构件被提供承载 热塑性材料的涂层。 本发明还提供一种用于封闭制备的根管的器具(60),其包括刚性承载构件(62),所述刚性承载构件具有可插入根管中的远端(68),并且直径小于所述管道的直径; 具有筒的器具(61),(63)可移动柱塞(65)和在所述筒内的孔,(69)和一定数量的热塑性材料(29); 所述孔口的直径大于所述承载构件的远端,所述远端通过所述孔口插入所述热塑性材料中,由此响应于所述柱塞通过所述筒体朝向所述孔口的移动,所述载体构件 被排出,其携带至少覆盖至少远端的热塑性材料涂层以使管道堵塞。 最后,提供了一种用热塑性材料涂覆刚性载体的方法。
    • 2. 发明申请
    • DEVICE AND METHOD FOR RETAINING A DENTAL DAM
    • 用于保留牙齿的装置和方法
    • WO1996039984A1
    • 1996-12-19
    • PCT/US1996010426
    • 1996-06-03
    • THE HYGENIC CORPORATION
    • THE HYGENIC CORPORATIONRIAZI, John
    • A61C03/00
    • A61C5/90A61C5/82
    • A device for retaining a dental dam (12) positioned in the mouth of a patient comprises first and second heads (20); an elastomeric web (22) connecting the first head to the second head; the elastomeric web (22) having a first cross-sectional area at relaxation, and a second cross-sectional area at elongation of lesser dimension than the first, the second cross-sectional area being interposed between a pair of adjacent teeth (38), and over the dam in position with respect to the teeth, wherein the second cross-sectional area expands toward the first cross-sectional area and forms an elastomeric wedge between the teeth to retain the dam.
    • 一种用于保持位于患者口中的牙槽(12)的装置包括第一和第二头部(20); 将第一头部连接到第二头部的弹性体网(22); 具有松弛的第一横截面积的弹性体网(22)和在比第一横截面积的第二横截面积小的伸长处的第二横截面积插入在一对相邻的齿(38)之间, 并且相对于所述牙齿位于所述坝上方,其中所述第二横截面面积朝向所述第一横截面面积膨胀,并且在所述齿之间形成弹性体楔以保持所述坝。