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    Spinal fusion implant with access door
    8.
    发明公开
    Spinal fusion implant with access door 失效
    脊椎融合植入物与检查门

    公开(公告)号：EP1829503A2

    公开(公告)日：2007-09-05

    申请号：EP07008252.4

    申请日：1996-06-06

    申请人： Warsaw Orthopedic, Inc.

    发明人： Michelson, Gary Karlin

    IPC分类号： A61F2/44

    CPC分类号： A61F2/442 ,  A61F2/30744 ,  A61F2/30767 ,  A61F2/44 ,  A61F2/4455 ,  A61F2/447 ,  A61F2/4611 ,  A61F2002/2835 ,  A61F2002/30062 ,  A61F2002/30143 ,  A61F2002/30153 ,  A61F2002/30158 ,  A61F2002/30261 ,  A61F2002/30271 ,  A61F2002/3037 ,  A61F2002/30398 ,  A61F2002/30405 ,  A61F2002/30434 ,  A61F2002/3051 ,  A61F2002/30556 ,  A61F2002/30579 ,  A61F2002/30599 ,  A61F2002/30604 ,  A61F2002/30747 ,  A61F2002/30774 ,  A61F2002/30777 ,  A61F2002/30785 ,  A61F2002/30787 ,  A61F2002/30789 ,  A61F2002/30797 ,  A61F2002/30836 ,  A61F2002/30841 ,  A61F2002/30843 ,  A61F2002/30904 ,  A61F2002/3092 ,  A61F2002/4475 ,  A61F2002/4485 ,  A61F2002/449 ,  A61F2002/4629 ,  A61F2210/0004 ,  A61F2220/0025 ,  A61F2220/0033 ,  A61F2220/0041 ,  A61F2230/0017 ,  A61F2230/0019 ,  A61F2230/0026 ,  A61F2230/0082 ,  A61F2250/0009 ,  A61F2250/0063 ,  A61F2310/00796 ,  Y10S606/90 ,  Y10S606/907 ,  Y10S606/908

    摘要： An interbody spinal fusion implant for insertion across the height of a disc space between two adjacent vertebral bodies of a human spine comprises an insertion end for insertion first into the spine and a trailing end opposite said insertion end, a longitudinal axis, and a depth along the longitudinal axis. The implant further comprises an upper surface and a lower surface between said insertion and trailing ends, said surfaces being flat and forming a support structure for bearing against the adjacent vertebral bodies. The implant has a height between said surfaces, each surface has at least one opening therethrough, wherein the openings are in communication with one another to permit for the growth of bone from adjacent vertebral body to adjacent vertebral body through said implant. The implant also comprises opposite walls between said upper and lower surfaces and between said insertion and trailing ends, and a width between said opposite sides. The upper and lower surfaces each have an interior surface spaced apart from one another to define a hollow interior in communication with said openings. The maximum width of the implant between said opposite walls is larger than a maximum height between said upper and lower surfaces of said implant. The upper and lower surfaces are in angular relationship to the longitudinal axis along the depth of the implant, and the implant includes an access opening between said upper and lower surfaces and an access door. The access door is configured to permit the introduction of bone growth promoting material into the hollow interior, wherein the access opening is larger of the largest of said openings. The access door is configured to cooperatively engage said implant for retaining the bone growth promoting material within said implant.

    摘要翻译： 用于穿过人体脊柱的两个相邻椎体之间的椎间盘空间的高度插入的椎体间脊柱融合植入物包括用于首先插入脊柱中的插入端和与所述插入端相对的后端，纵向轴线以及沿着纵向轴线的深度 纵轴。 所述植入物还包括在所述插入端和所述尾端之间的上表面和下表面，所述表面是平坦的并且形成用于抵靠相邻椎体的支撑结构。 植入物在所述表面之间具有高度，每个表面具有穿过其中的至少一个开口，其中开口彼此连通以允许通过所述植入物从相邻椎体向相邻椎体生长骨。 植入物还包括在所述上表面和下表面之间以及所述插入端和尾端之间的相对壁以及所述相对侧之间的宽度。 上表面和下表面各自具有彼此间隔开的内表面以限定与所述开口连通的中空内部。 所述相对壁之间的植入物的最大宽度大于所述植入物的所述上表面和下表面之间的最大高度。 上表面和下表面沿着植入物的深度与纵轴成角度关系，并且植入物包括在所述上表面和下表面与入口门之间的入口。 入口门构造成允许将骨骼生长促进材料引入中空内部，其中进入开口大于所述开口中最大的开口。 检修门被配置成协作地接合所述植入物以将骨骼生长促进材料保持在所述植入物内。