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    • 74. 发明申请
    • SYSTEMS AND METHODS FOR POSTERIOR DYNAMIC STABILIZATION
    • 用于动态稳定的系统和方法
    • WO2009155360A2
    • 2009-12-23
    • PCT/US2009047684
    • 2009-06-17
    • DUGGAL NEILBUTTERS JOSHUAFALLIN WADE THUSHKA DYLAN
    • DUGGAL NEILBUTTERS JOSHUAFALLIN WADE THUSHKA DYLAN
    • A61B17/70A61F2/44
    • A61B17/7043A61B17/7026A61B17/7031A61B17/7071A61B17/8033A61B17/8052A61B17/8665A61B17/8869A61B2017/7073
    • A system for providing dynamic stabilization and balance control at a vertebral motion segment has first and second bridge elements and at least one bias element. The bridge elements anchor to adjacent vertebrae with polyaxially adjustable anchoring members, and the bias elements attach to each bridge element to span between them. Each bias element has two fixation portions and a bias body extending between the fixation portions. Each bias element may comprise an elastically deformable material to provide dynamic stabilization with motion, or may comprise rigid material to provide rigid stabilization, and both bias element types may be included in one system. The bias elements are attachable to the bridge elements at discrete attachment locations, or at non-discrete attachment locations. Alternate embodiments may include three or more bridge elements on adjacent vertebrae, and multiple bias elements. A tensioning tool may provide adjustable tension to an elastically deformable bias element.
    • 用于在椎体运动部分提供动态稳定和平衡控制的系统具有第一和第二桥接元件和至少一个偏置元件。 桥梁元件锚定到具有多轴可调节锚固构件的相邻椎骨,并且偏置元件附接到每个桥梁元件以跨越它们之间。 每个偏置元件具有两个固定部分和在固定部分之间延伸的偏置体。 每个偏置元件可以包括可弹性变形的材料以提供具有运动的动态稳定性,或者可以包括刚性材料以提供刚性稳定性,并且两个偏置元件类型可以包括在一个系统中。 偏置元件可以在离散的附接位置或非分立的附接位置附接到桥元件。 替代实施例可以包括相邻椎骨上的三个或更多个桥元件以及多个偏置元件。 张紧工具可以向可弹性变形的偏置元件提供可调节的张力。
    • 75. 发明申请
    • POSTERIOR LUMBAR JOINT PROSTHESIS
    • 邻近的LUMBAR JOINT PROSTHESIS
    • WO2009106990A1
    • 2009-09-03
    • PCT/IB2009/005288
    • 2009-02-26
    • CLARIANCETORNIER, AlainSTEIB, Jean-PaulMAZEL, Christian
    • TORNIER, AlainSTEIB, Jean-PaulMAZEL, Christian
    • A61B17/70A61F2/44
    • A61B17/7041A61B17/7011A61B17/702A61B17/7023A61B17/7025A61B17/7032A61B17/7035A61B17/7043A61B17/7064A61F2/4405
    • There is provided a posterior lumbar joint prosthesis which includes prosthetic elements reproducing the movements of the joint facets and vertebral anchors which adapt to the variations in the anatomy of vertebra. In use, the prosthesis has lower and upper connectors on each side of the lumbar vertebra. The lower connectors are coupled with, and pivotably mounted onto, respective lower pedicular screws, and a member defining a member axis links lower and upper connectors on each side of the lumbar vertebra. Upon lateral flexion of one of the upper and lower vertebrae relative to the other, each lower connector is capable of multiaxis pivotable movement relative to the respective lower pedicular screws such that each member is capable to pivot with respect to (i) the axis of the lower screw, (ii) a first axis intersecting the lower screw and the lower connector, and/or (iii) an axis intersecting the above first axis and the lower screw, while the member can also move along the member axis.
    • 提供了一种后腰椎关节假体,其包括再现适应椎骨解剖结构变化的关节面和椎骨锚的运动的假肢元件。 在使用中,假体在腰椎的每一侧具有下连接器和上连接器。 下连接器联接并可枢转地安装在相应的下椎弓根螺钉上,并且限定构件轴线的构件链接在腰椎的每一侧上的下连接器和上连接器。 在上下椎骨中的一个相对于另一个的侧向弯曲时,每个下连接器能够相对于相应的下椎弓根螺钉多轴可枢转运动,使得每个构件能够相对于(i)的轴线枢转 下螺钉,(ii)与下螺钉和下连接器相交的第一轴,和/或(iii)与上述第一轴和下螺钉相交的轴,同时该构件也可沿构件轴移动。