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    • 26. 发明申请
    • INTRAMEDULLARY NAIL TARGETING DEVICE
    • INTRAMEDULLARY钉钉装置
    • WO2010123879A1
    • 2010-10-28
    • PCT/US2010/031725
    • 2010-04-20
    • VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.DURHAM, Alfred, A.
    • DURHAM, Alfred, A.
    • A61B17/17A61B17/80
    • A61B17/1707A61B5/06A61B5/062A61B5/417A61B5/4504A61B17/1725A61B17/72A61B17/808
    • An intramedullary nail targeting apparatus for targeting and drilling screw openings in the intramedullay nail is provided herein. A preferred version of the targeting apparatus includes a magnetic targeting device (116), a nail extension (110) for connecting to an intramedullary nail (60), and a magnet member (70), preferably in a "bucking configuration, " for affixing to the intramedullary nail at a defined position relative to the screw openings in the nail. The nail extension includes a targeting arm (120) with one or more bores which align with the screw openings in the nail when the targeting arm is aligned with the intramedullary nail. The magnetic targeting device includes a support member with a sensor array (33) that extends through one of the bores on the targeting arm to target the magnet member, thereby aligning the targeting arm with the intramedullary nail. A second bore on the targeting arm can then be used for drilling through the bone at the position of an aligned screw opening. Methods for using the targeting apparatus for targeting and drilling screw openings in intramedulary nails or openings in bone plates are also described herein.
    • 本文提供了一种用于瞄准和钻取髓内钉的螺钉开口的髓内钉定位装置。 靶向装置的优选形式包括磁性靶向装置(116),用于连接到髓内钉(60)的指甲延伸部(110)和优选为“屈曲构型”的磁性构件(70),用于固定 在相对于钉子中的螺丝孔的限定位置到髓内钉。 指甲延伸部包括具有一个或多个孔的定向臂(120),当靶向臂与髓内钉对准时,其具有与钉中的螺钉开口对准的孔。 磁性靶向装置包括具有传感器阵列(33)的支撑构件,该传感器阵列(33)延伸穿过靶向臂上的孔中的一个以对准磁体构件,从而使靶向臂与髓内钉对准。 目标臂上的第二个孔然后可以用于在对准的螺丝孔的位置穿过骨头。 本文还描述了使用靶向装置来靶向和钻孔在内侧钉子或骨板中的开口中的螺钉开口的方法。