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    • 71. 发明申请
    • SPINAL ROD SYSTEM
    • 脊柱系统
    • WO2007123920A2
    • 2007-11-01
    • PCT/US2007/009417
    • 2007-04-18
    • LOGAN, Joseph, Nicholas
    • LOGAN, Joseph, Nicholas
    • A61B17/58
    • A61B17/7032A61B17/7008A61B17/7011A61B17/7014A61B17/702A61B17/7023A61B17/7031
    • A multi-axis spinal fixation device which can use a fixed head spinal or pedicle screw in combination with a multi-axial rod assembly to achieve anatomically correct fixation of vertebrae. The orthopedic fixation can be controlled by a different combination of rod elements to provide a varied range of motion between adjacent vertebrae as well as specific flexibility between the adjacent vertebrae or levels. The surgeon can make intra-operative adjustments from rigid fixation to dynamic stabilization and where desired also provide 'soft- stabilization' or 'micro motion'. The unique combination of elements can provide fixed stabilization for the purpose of fusion or dynamic stabilization without fusion.
    • 一种多轴脊柱固定装置,其可以使用固定头部脊柱或椎弓根螺钉与多轴杆组件组合以实现解剖学上正确的椎骨固定。 骨科固定可以通过杆元件的不同组合来控制,以提供相邻椎骨之间的变化的运动范围以及相邻椎骨或水平之间的特定柔性。 外科医生可以进行从刚性固定到动态稳定的术中调整,并且在需要时也提供“软稳定”或“微动”。 元素的独特组合可以为融合或动态稳定而不融合的目的提供固定的稳定性。