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    • 4. 发明授权
    • Static and dynamic cervical plates and cervical plate constructs
    • 静态和动态的宫颈板和宫颈板构造
    • US08182518B2
    • 2012-05-22
    • US11022504
    • 2004-12-21
    • Michael S. ButlerJeffrey C. Wang
    • Michael S. ButlerJeffrey C. Wang
    • A61B17/80
    • A61B17/8047A61B17/7059A61B17/8023A61B17/8042
    • A cervical bone plate includes a graft window that allows access to and/or visualization of a bone graft area of the cervical spine after attachment of the present cervical plate to the vertebrae. The window is preferably, but not necessarily, sized for maximum exposure of the graft area and/or the vertebral body without compromising plate strength, particularly with respect to federal standards for such devices. The window is centrally positioned on the plate and is sized to provide alignment of the plate onto the vertebrae at the base of the vertebra fastener or screw holes of the plate. In a dynamic form of this cervical bone plate, the graft window expands and contracts with respective expansion and contraction of the dynamic plate after attachment to the vertebrae (i.e. “dynamizes”). In another form, a three-component dynamic bone plate is configured such that a middle component accepts an identical end component at both ends of the middle component. The end component is a 180° interchangeable part. The middle component and the end component have cooperating configurations and complementarily configured grooves that allow sliding movement between the middle component and the end components. A two-pillar construction provides a central window.
    • 宫颈骨板包括移植窗口,其在将本颈椎板附接到椎骨之后允许进入和/或可视化颈椎骨移植区域。 窗口优选地但不一定地被设定成能够最大限度地暴露移植物区域和/或椎体而不损害板的强度,特别是关于这种装置的联邦标准。 窗口位于板的中心位置,其尺寸适于提供板在椎骨紧固件的底部或板的螺钉孔的椎骨上的对准。 在这种子宫颈骨板的动态形式中,移植窗口在附着到椎骨之后(即“动态化”)的动态板的各自的膨胀和收缩扩张和收缩。 在另一种形式中,三分量动态骨板被配置为使得中间部件在中间部件的两端接受相同的端部部件。 端部部件是180°可互换部件。 中间部件和端部部件具有配合构造和互补配置的凹槽,允许中间部件和端部部件之间滑动。 一个双柱建筑提供了一个中心窗口。