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    • 5. 发明申请
    • TARGETING SYSTEM AND METHOD FOR DISTAL LOCKING OF INTRAMEDULLAR NAILS
    • 用于远端锁定内钉的钉扎系统和方法
    • WO0230258A3
    • 2004-05-27
    • PCT/IB0102731
    • 2001-10-12
    • UNIV LAUSANNEARLETTAZ YVAN
    • ARLETTAZ YVAN
    • A61B17/17
    • A61B17/1725
    • A targeting system and method is disclosed for the distal locking of intramedullary nails. The targeting system comprises a first fixation system, a second fixation system, and an aiming guide. After implantation within the intramedullary canal of a bone, the distal screw holes of an intramedullary nail are first aligned using conventional radioscopy equipment. The targeting system is then introduced between the radioscopy equipment and the patient such that the aiming guide of the targeting system is roughly aligned with the distal screw holes. The first fixation system is adapted to be fixedly coupled to an operating surface upon which an intramedullary nail fixation procedure may be performed. The second fixation system is adapted to be fixedly coupled to the handle of the implanted intramedullary nail. Rough adjustments to the first and second fixation systems enable an initial positioning of a drill with a first distal screw hole. The aiming guide, which is disposed between and fixedly coupled to the first fixation system and the second fixation system, is used to perfect alignment of the drill with the first distal screw hole. Once a precise alignment with the first distal screw hole has been realized, a mechanical adjustment to the aiming guide may allow for a rapid alignment of the drill with the second distal screw hole of the implanted intramedullary nail.
    • 公开了用于髓内钉远端锁定的靶向系统和方法。 瞄准系统包括第一固定系统,第二固定系统和瞄准指南。 在骨髓内髓内植入后,首先使用常规的放射检查设备对准髓内钉的远端螺钉孔。 然后将靶向系统引入到放射检查设备和患者之间,使得瞄准系统的瞄准引导件与远端螺钉孔大致对准。 第一固定系统适于固定地联接到可以在其上执行髓内钉固定过程的操作表面。 第二固定系统适于固定地联接到植入的髓内钉的手柄。 对第一和​​第二固定系统的粗略调整使得能够初始定位具有第一远端螺钉孔的钻孔。 设置在第一固定系统和第二固定系统之间并固定地联接到第一固定系统和第二固定系统之间的瞄准引导件用于完善钻头与第一远端螺钉孔的对准。 一旦已经实现了与第一远端螺钉孔的精确对准,对瞄准引导件的机械调节可允许钻头与植入的髓内钉的第二远端螺钉孔的快速对准。