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    • 45. 发明申请
    • DENTAL IMPLANT FIXTURE
    • 牙齿植入物
    • WO2009142429A3
    • 2010-01-28
    • PCT/KR2009002637
    • 2009-05-19
    • OSSTEM IMPLANT CO LTDPARK SANG OHKIM BYUNG KOOKPARK MU YOUNGEOM TAE GWANCHOI GYU OK
    • PARK SANG OHKIM BYUNG KOOKPARK MU YOUNGEOM TAE GWANCHOI GYU OK
    • A61C8/00
    • A61C8/0022A61B17/863A61B17/8635A61B17/864A61C8/0025
    • The present invention relates to a dental implant fixture, and more particularly, to a dental implant fixture which rotates about a central axis thereof, and thus is inserted into a bone tissue constituted by a cortical bone and a spongy bone to form an artificial tooth root, wherein the dental implant fixture includes a first portion, a second portion, and a third portion. The first portion is inserted into the cortical bone and has an outer surface with a first screw thread whereon first vertices and first valleys are alternately arranged. The second portion is disposed beneath the first portion and inserted into the spongy bone, has an outer surface with a second screw thread whereon second vertices and second valleys are alternately arranged. The distance between the adjacent second vertices of the second screw thread is larger than the distance between the adjacent first vertices of the first screw thread. The third portion is disposed beneath the second portion, and has an outer surface with a third screw thread whereon third vertices and third valleys are alternately arranged, and a first cutting part which is hollowed such that the first cutting part is closer to the central axis than the third valleys. The lower outer diameter of the second screw thread is smaller than the upper outer diameter of the second screw thread.
    • 本发明涉及一种牙科植入物固定装置,更具体地说,涉及一种绕其中心轴线旋转的牙科植入物夹具,因此插入到由皮质骨和海绵骨构成的骨组织中以形成人造牙根 ,其中所述牙科植入物固定装置包括第一部分,第二部分和第三部分。 第一部分被插入皮质骨中,并且具有第一螺纹的外表面,其中第一顶点和第一谷交替排列。 第二部分设置在第一部分下方并插入海绵骨中,具有外表面,其具有第二螺纹,其中第二顶点和第二谷交替排列。 第二螺纹的相邻第二顶点之间的距离大于第一螺纹的相邻第一顶点之间的距离。 所述第三部分设置在所述第二部分下方,并且具有外表面,所述外表面具有交替布置第三顶点和第三谷部的第三螺纹,以及第一切割部分,其被挖空使得所述第一切割部分更靠近所述中心轴线 比第三个谷。 第二螺纹的下外径小于第二螺纹的上外径。
    • 47. 发明申请
    • DEVICE AND METHOD FOR ESTABLISHING AN ANCHORAGE IN TISSUE
    • 用于建立组织中的锚定装置和方法
    • WO2009132472A2
    • 2009-11-05
    • PCT/CH2009/000138
    • 2009-04-30
    • WW TECHNOLOGY AGLEHMANN, MarioMÜLLER, AndreaWEBER, UrsSEILER, Philipp
    • LEHMANN, MarioMÜLLER, AndreaWEBER, UrsSEILER, Philipp
    • A61B17/68A61B17/04
    • A61B17/8811A61B17/00491A61B17/0401A61B17/686A61B17/809A61B17/864A61B17/8819A61B17/8836A61B2017/00411A61B2017/005A61B2017/00955A61B2017/0409A61B2017/042A61B2017/0422A61B2017/0424A61B2017/044A61B2017/8813A61B2017/883A61B2017/90A61F2002/30065A61F2210/0071
    • A perforated sheath (2) is anchored in a tissue opening with the aid of a tool (1), wherein the anchorage is achieved with the aid of mechanical vibration (in particular ultrasonic vibration) and a material which is liquefiable by the vibration. The tool (1) comprises a vibrating element (3) and a counter element (4). Distal portions of both elements (3 and 4) are introduced into the sheath to be in contact with each other at an interface (5). The liquefiable material is located at this interface and constitutes a separate liquefiable part (4.2). For the anchoring process, the vibrating element (3) is connected to a vibration source and the vibrating element (3) and the counter element (4) are held against each other for effecting liquefaction of the liquefiable material at the interface (5). Under the effect of the force applied to the vibrating and counter element for holding them against each other, the liquefied material flows from the interface (5) through the sheath perforation (2.1) and penetrates the tissue to form therein a positive fit connection on re-solidification. Preferably the sheath (2) is anchored in a plurality of anchoring locations spread out along its axial length for which purpose the interface (5) is displaced within the sheath (2) between successive anchoring steps. When the sheath (2) is anchored as desired, the tool (1) possibly including a rest of the liquefiable material is removed from the sheath (2) leaving an inner space thereof substantially free of the liquefiable material.
    • 穿孔护套(2)借助于工具(1)锚定在组织开口中,其中借助于机械振动(特别是超声波振动)和通过振动可液化的材料来实现锚固。 工具(1)包括振动元件(3)和相对元件(4)。 两个元件(3和4)的远端部分被引入护套中以在界面(5)处彼此接触。 可液化材料位于该界面处,并构成单独的可液化部件(4.2)。 对于锚固过程,振动元件(3)连接到振动源,并且振动元件(3)和相对元件(4)彼此抵靠以在界面(5)处液化可液化材料。 在施加到振动和反作用元件上用于将它们彼此夹持的力的作用下,液化材料从界面(5)通过护套穿孔(2.1)流动并穿透组织以在其中形成与其相适应的正配合连接 -凝固。 优选地,护套(2)锚定在沿着其轴向长度展开的多个锚固位置中,为此目的,界面(5)在连续的锚固步骤之间在护套(2)内移位。 当根据需要锚固护套(2)时,可能包括可液化材料的其余部分的工具(1)从护套(2)中移除,留下基本上不含液化材料的内部空间。