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    • 3. 发明申请
    • COMPOSITE IMPLANT HAVING POROUS STRUCTURE FILLED WITH BIODEGRADABLE ALLOY AND METHOD OF MAGNESIUM-BASED MANUFACTURING THE SAME
    • 具有可生物降解合金填充的多孔结构的复合植入物及其基于镁的制造方法
    • US20110054629A1
    • 2011-03-03
    • US12933462
    • 2009-03-18
    • Hyun-Kwang SeokSeok-Jo YangYu-Chan KimJa-Kyo Koo
    • Hyun-Kwang SeokSeok-Jo YangYu-Chan KimJa-Kyo Koo
    • A61F2/28B05D7/00B05D3/02
    • A61L27/58A61L27/427A61L27/446
    • The present invention provides a composite implant comprising pores of a porous structure filled with a biodegradable magnesium-based alloy. Further, the present invention provides a composite implant which filles pores of the porous structure prepared by a metal, a ceramic or a polymer with a biodegradable magnesium-based alloy. Mechanical properties of the composite implant of the present invention are improved because a magnesium-based alloy filled in its pores increases the strength of a porous structure comprised of a metal, a ceramic or a polymer. Further, it can be expected that the magnesium-based alloy filled in the porous structure is decomposed in a living body, thus increasing bone formation rate. Accordingly bone tissue can be rapidly formed because the composite implant of the present invention has high strength and excellent interfacial force between the composite implant and bone tissue, compared to conventional porous materials.
    • 本发明提供了一种复合植入物,其包含填充有可生物降解的镁基合金的多孔结构的孔。 此外,本发明提供一种复合植入物,其填充由具有可生物降解的镁基合金的金属,陶瓷或聚合物制备的多孔结构的孔。 本发明的复合植入物的机械性能得到改善,因为填充在其孔中的镁基合金增加了由金属,陶瓷或聚合物构成的多孔结构的强度。 此外,可以预期填充在多孔结构中的镁基合金在生物体中分解,从而增加骨形成速率。 因此,与常规多孔材料相比,本发明的复合植入物具有高复合植入物和骨组织之间的高强度和优异的界面力,因此能够快速形成骨组织。
    • 4. 发明授权
    • Bone fixation apparatus
    • 骨固定仪
    • US06905500B2
    • 2005-06-14
    • US10296609
    • 2002-02-04
    • Chang-Hun JeonHoward S. AnJa-Kyo Koo
    • Chang-Hun JeonHoward S. AnJa-Kyo Koo
    • A61B17/58A61B17/70A61B17/56
    • A61B17/7037A61B17/7032
    • Disclosed is a bone fixation apparatus. This device comprises a bone screw having a head; a cap member placed on an upper part of the head of the bone screw; a receiver member having a bore in which the cap member and the head of the bone screw are respectively accommodated and held, and a U-shaped channel through which a support bar extends; and a compression member threadedly coupled into the receiver member to downwardly bias the support bar. A multitude of stepped portions are formed at a lower end and inner surface of the receiver member to be brought into linear contact with an outer surface of a lower part of the head so that the supporting force for the head of the bone screw is increased.
    • 公开了骨固定装置。 该装置包括具有头部的骨螺钉; 盖构件,其放置在骨螺钉的头部的上部; 具有孔,其中盖构件和骨螺钉的头部分别容纳和保持的接收构件和支撑杆延伸穿过的U形通道; 以及螺纹联接到接收器构件中以向下偏置支撑杆的压缩构件。 在接收器构件的下端和内表面上形成多个阶梯部分,以与头部的下部的外表面线性接触,从而增加了骨螺钉头部的支撑力。
    • 7. 发明申请
    • Cervical spine fixator and screwdriver used therefor
    • 颈椎固定器和螺丝刀用于此
    • US20050021032A1
    • 2005-01-27
    • US10890183
    • 2004-07-14
    • Ja-Kyo Koo
    • Ja-Kyo Koo
    • A61B17/58A61B17/70A61B17/80A61B17/86A61B17/88A61F2/44A61B17/56
    • A61B17/8042A61B17/7059A61B17/8875
    • A cervical spine fixator and a screwdriver used therefore is disclosed wherein the fixator comprises plates (12, 212) for being adjoined to a cervical spine fixation region and a plurality of screws (14, 214). The plurality of screws are fixedly inserted into a patient's cervical spine and simultaneously coupled to the plates, wherein an adjacent region coupled with the screws in the plates is fixed with screw head fixture members (16, 216) having a protruder, which is deformed under the effect of pressure by a screw head when the screws are inserted and returns to their position of origin when the screw head is completely accommodated into the plates to be hitched by the screw head. The plates are formed thereon with receiving grooves (22, 222) for accommodating the screw head and the screw head fixture member. The receiving grooves are formed with openings into which the screws are inserted and a recess into which the screw head is received. The screw (214) formed with a groove of concaved curvature is installed or removed by a screwdriver (230) formed with a protruder of convex curvature, such that it is easy to manufacture, and the thickness of the plates is reduced, thus eliminating the feeling of a foreign substance after a surgical operation.
    • 因此公开了一种使用的颈椎固定器和螺丝刀,其中固定器包括用于邻接于颈椎固定区域的板(12,212)和多个螺钉(14,214)。 多个螺钉被固定地插入到患者的颈椎中并且同时联接到板上,其中与板中的螺钉联接的相邻区域被固定有具有突出部的螺钉头固定构件(16,216),该突出部件在下面变形 当螺钉被插入时螺钉头的压力的影响并且当螺钉头完全容纳在要由螺钉头钩住的板中时返回到其原点位置。 板上形成有用于容纳螺钉头和螺钉头固定构件的接收槽(22,222)。 接收槽形成有插入螺钉的开口和螺钉头被容纳在其中的凹部。 形成有凹曲面的凹槽的螺钉(214)通过形成有凸曲率的凸起的螺丝刀(230)安装或移除,使得其易于制造,并且板的厚度减小,从而消除 外科手术后感觉异物。