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    • 33. 发明公开
    • 골수강내 금속정의 고정을 위한 공면 X-선 유도 조준 아암
    • COPLANAR X射线引导瞄准臂用于锁定内钉
    • KR1020070067688A
    • 2007-06-28
    • KR1020077006496
    • 2005-09-23
    • 신세스 게엠바하
    • 페르난데즈,알베르토버틀러,마르쿠스웰츠리,안드래스
    • A61B17/56A61B17/58A61B17/60A61B17/17
    • A61B17/1725A61B17/1703A61B90/39A61B2017/00831A61B2017/00915
    • A novel coplanar X-ray guided method and device for insertion of distal locking screws in intramedullary bone nails. The device has coplanar holes, which allow insertion of protective sleeves. A drill and bone screws can be inserted through the protective sleeves. Radiopaque target markers in the aiming arm enable the easy positioning of an X-ray source such that an X-ray beam is coplanar with the aiming arm transverse holes. After the X-ray source is accurately oriented, a single X-ray snapshot is enough to assess the exact distortion of the implanted intramedullary nail. The X-ray beam need not be coaxial with the intramedullary nail holes. The aiming arm has a mobile portion and a fixed portion fastened to the nail, wherein said aiming arm can be adjusted, displacing the mobile portion over the fixed portion, to compensate for the distortion of the intramedullary nail after implantation. Once the aiming arm is precisely positioned, the aiming arm transverse holes and intramedullary nail holes are accurately aligned, protective sleeves are inserted through aiming arm holes, bone drills are drilled through the intramedullary nail holes and surrounding bone material, and bone screws are inserted, locking the intramedullary nail to the bone.
    • 一种新颖的共面X射线引导方法和装置,用于在髓内钉中插入远端锁定螺钉。 该装置具有共面孔,允许插入保护套。 钻头和骨螺钉可以穿过保护套。 瞄准臂中的不透射线目标标记使得能够容易地定位X射线源,使得X射线束与瞄准臂横向孔共面。 在X射线源准确定向之后,单个X射线快照足以评估植入髓内钉的确切畸变。 X射线束不需要与髓内钉孔同轴。 瞄准臂具有可移动部分和固定到钉子上的固定部分,其中可调节所述瞄准臂,使移动部分移动超过固定部分,以补偿植入后髓内钉的变形。 一旦瞄准臂精确定位,瞄准臂横向孔和髓内钉孔准确对准,通过瞄准臂孔插入保护套,通过髓内钉孔和周围骨材料钻取骨钻头,插入骨螺钉, 将髓内钉锁在骨头上。