Stand-Alone Anterior Fusion Device
    9.
    发明申请
    Stand-Alone Anterior Fusion Device 审中-公开
    独立前融合装置

    公开(公告)号:US20120083881A1

    公开(公告)日:2012-04-05

    申请号:US12896850

    申请日:2010-10-02

    IPC分类号: A61F2/44 A61B17/88

    摘要: Disclosed herein is a stand-alone anterior fusion device that is positioned in the space between adjacent vertebrae to be fused. The device comprises an annular cage having a thickness defined by an outer surface and an inner surface. The inner surface is defined by a cavity adapted to receive graft material. A top surface is in a spatial relationship to a bottom surface and may be further defined by a Lordosis angle. Ascending and descending guides extend through the wall, each guide has an axis defined by an attitude, where each guide directs a vertebral screw in a desired trajectory into the adjacent vertebrae whereby a bi-cortical screw purchase may be achieved. The device is a stand alone stabilizing device as well as a cage for containing graft material and maintaining the height of the space between the vertebrae to be fused.

    摘要翻译: 本文公开了一种独立的前融合装置,其位于待融合的相邻椎骨之间的空间中。 该装置包括具有由外表面和内表面限定的厚度的环形笼。 内表面由适于接收移植材料的空腔限定。 顶面与底面呈空间关系,并可由Lordosis角进一步定义。 升降引导件延伸通过壁,每个引导件具有由姿态限定的轴线,其中每个引导件将期望的轨迹中的脊椎螺钉引导到相邻的椎骨中,由此可以实现双皮质螺钉购买。 该装置是独立的稳定装置,以及用于容纳移植材料并保持要融合的椎骨之间的空间的高度的笼。