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    • 35. 发明授权
    • Superelastic spinal stabilization system and method
    • 超弹性脊柱稳定系统及方法
    • US06293949B1
    • 2001-09-25
    • US09516946
    • 2000-03-01
    • Jeff R. JustisMichael C. Sherman
    • Jeff R. JustisMichael C. Sherman
    • A61B1756
    • A61B17/7011A61B17/70A61B17/7059A61B17/8042A61B2017/00867A61F2002/30092A61F2002/449A61F2210/0014Y10S606/91Y10S606/911
    • A device for stabilizing at least a portion of the spinal column, including a longitudinal member sized to span a distance between at least two vertebral bodies and being at least partially formed of a shape-memory material exhibiting pseudoelastic characteristics at about human body temperature. A number of bone anchors are used to secure the longitudinal member to each of the vertebral bodies. The longitudinal member is reformed from an initial configuration to a different configuration in response to the imposition of stress caused by relative displacement between the vertebral bodies, and recovers toward the initial configuration when the stress is removed to thereby provide flexible stabilization to the spinal column. During reformation of the longitudinal member, at least a portion of the shape-memory material transforms into stress-induced martensite. In a particular aspect of the invention, the longitudinal member is a plate having a central portion at least partially formed of the shape-memory material, and a pair of connection portions disposed at opposite ends of the central portion for connection to each of the vertebral bodies. The central portion of the plate defines a number of alternating ridges and grooves along a length thereof having an initial amplitude corresponding to the initial configuration and a different amplitude corresponding to the different configuration.
    • 一种用于稳定脊柱的至少一部分的装置,包括纵向构件,所述纵向构件的尺寸设置为跨越至少两个椎体之间的距离,并且至少部分地由在大约人体温度下显示假弹性特征的形状记忆材料形成。 使用许多骨锚来将纵向构件固定到每个椎体。 响应于施加由椎体之间的相对位移引起的应力而将纵向构件从初始构型重新形成为不同的构造,并且当应力被移除时朝向初始构型恢复,从而向脊柱提供柔性稳定性。 在纵向构件的改造期间,形状记忆材料的至少一部分转变为应力诱导马氏体。 在本发明的特定方面中,纵向构件是具有至少部分地由形状记忆材料形成的中心部分的板,以及设置在中心部分的相对端部处的一对连接部分,用于连接到每个脊椎 身体。 板的中心部分沿着其长度限定了多个交替的脊和槽,其具有对应于初始构型的初始幅度和对应于不同配置的不同幅度。
    • 36. 发明授权
    • Orthopedic fixation device and method of implantation
    • 骨科固定装置及植入方法
    • US6146384A
    • 2000-11-14
    • US542603
    • 1995-10-13
    • Casey K. LeeRobert A. FarrisBradley I. CoatesMichael C. Sherman
    • Casey K. LeeRobert A. FarrisBradley I. CoatesMichael C. Sherman
    • A61B17/16A61B17/80A61B17/86A61B17/68
    • A61B17/8038A61B17/1604A61B17/8625A61B17/8047
    • and methods for attaching an implant to bone are disclosed. In one embodiment, the device 10 includes an elongated stud 15 defining an engaging surface 16 and a foot 20 projecting outwardly from an end 18 of the stud 15. The foot 20 is receivable through an opening O in the cortical layer R of the bone B and includes an upper surface 21 for contacting an internal surface R' of the cortical layer R. A fastener 25 is provided for engaging the engaging surface 16 of the stud 15, having a surface 29 for bearing against the implant I to clamp the implant I to the bone B when the fastener 25 is engaged to the engaging surface 16 of the stud 15 and the foot 20 is received in the opening O. In another embodiment, the apparatus 30 includes a number of additional studs 31 which are extendable together through the opening O. A wedge 36 can be provided to clamp the multiple studs within the bone opening.
    • 并公开了将植入物附着到骨骼上的方法。 在一个实施例中,装置10包括限定接合表面16的细长螺柱15和从螺柱15的端部18向外突出的脚部20.脚20可通过骨B的皮质层R中的开口O接收 并且包括用于接触皮质层R的内表面R'的上表面21.提供紧固件25用于接合螺柱15的接合表面16,具有用于支承植入物I的表面29以夹紧植入物I 当紧固件25接合到螺柱15的接合表面16并且脚20被容纳在开口O中时,到骨骼B上。在另一个实施例中,装置30包括多个附加的螺柱31,其可以通过 可以设置楔36以将多个螺柱夹紧在骨头开口内。
    • 38. 发明授权
    • Top-tightening transverse connector for a spinal fixation system
    • 用于脊柱固定系统的顶部紧固横向连接器
    • US5688272A
    • 1997-11-18
    • US413387
    • 1995-03-30
    • Leslie A. MontagueMichael C. ShermanEddie Ray, III
    • Leslie A. MontagueMichael C. ShermanEddie Ray, III
    • A61B17/70
    • A61B17/705A61B17/7052A61B17/7037A61B17/7038A61B17/7041
    • A new top-loading transverse connector of the present invention for bridging between longitudinal members of a spinal fixation system implant. The transverse connector is loaded and clamped to the longitudinal member from the top permitting easy access and adjustment and may clamp at the same location along the rod as a vertebral fixation element. The transverse connector comprises an elongate body and an engagement portion on each opposing end of the elongate body. The engagement portion includes downward legs each with a surface to engage the longitudinal member. The downward legs are displaced from each other to define a space therebetween. The engagement portion includes an upper surface defining an opening therethrough. The opening intersects the space defined between the downward legs. Together, the space and opening are configured to receive the clamp assembly carried on the longitudinal member. Another object of the invention, is to provide an improved system including the transverse connector. Another object of the invention is to provide a transverse connector that clamps to the longitudinal member at a variable angle. Another object of the invention is to provide a separate engagement portion which can be used with existing transverse connectors to permit clamping at the same site as vertebral fixation elements. Another object of the invention is to provide a way to adjust the length of the elongate body of the transverse connector.
    • 一种用于桥接脊柱固定系统植入物的纵向构件的本发明的新的顶部加载横向连接器。 横向连接器从顶部装载和夹紧到纵向构件,允许容易地进入和调节,并且可以沿着杆作为椎骨固定元件夹紧在相同位置。 横向连接器包括细长主体和在细长主体的每个相对端上的接合部分。 接合部分包括各自具有与纵向构件接合的表面的向下的腿。 向下的腿彼此移位以限定它们之间的空间。 接合部分包括限定穿过其中的开口的上表面。 开口与下方的腿间限定的空间相交。 一起,空间和开口构造成接收承载在纵向构件上的夹具组件。 本发明的另一个目的是提供一种包括横向连接器的改进的系统。 本发明的另一个目的是提供一种以可变角度夹紧纵向构件的横向连接器。 本发明的另一个目的是提供一种单独的接合部分,其可以与现有的横向连接器一起使用以允许在与椎骨固定元件相同的位置处夹紧。 本发明的另一个目的是提供一种调节横向连接器的细长主体长度的方法。