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    • 3. 发明申请
    • System and Method for Replacement of Spinal Motion Segment
    • 脊柱运动段替换系统及方法
    • US20090299411A1
    • 2009-12-03
    • US12130388
    • 2008-05-30
    • Daniel LaskowitzMichael L. Boyer, IIAdam FriedrichAndrew IottEdward Karpowicz
    • Daniel LaskowitzMichael L. Boyer, IIAdam FriedrichAndrew IottEdward Karpowicz
    • A61B17/70A61B17/04
    • A61B17/702A61B17/7008A61B17/7032A61B17/7041A61B17/7043
    • A system for flexibly stabilizing a vertebral motion segment of the facet joint by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other and a part of the first and second attachment portions extend towards each other on opposing walls of the elongate connection element.
    • 公开了一种通过连接第一椎骨和第二椎骨来灵活地稳定小关节的椎体运动节段的系统。 该系统包括细长的连接元件,其端部通过柔性联接构件互连。 该系统包括用于将连接元件连接到椎骨的第一和第二附接部分。 第一弹性构件定位在第一端部和第一附接部分之间,第二弹性构件定位在第一附接部分和第二附接部分之间。 该系统被设计成使得当第一和第二附接部分朝向彼此移动时第二弹性构件被压缩,并且当第一和第二附接部分彼此远离并且第一和第二附接部分的一部分 第二附接部分在细长连接元件的相对的壁上朝向彼此延伸。