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    • 9. 发明申请
    • UNITARY SPINAL DISC IMPLANT
    • 单位脊椎椎间盘植入物
    • WO2014124453A2
    • 2014-08-14
    • PCT/US2014/015850
    • 2014-02-11
    • BURKINSHAW, BrianSTUPKA, Jonathan
    • BURKINSHAW, BrianSTUPKA, Jonathan
    • A61F2/4455A61F2/442A61F2/4465A61F2002/30205A61F2002/3021A61F2002/30217A61F2002/30224A61F2002/30227A61F2002/30235A61F2002/30448A61F2002/30563A61F2002/30604A61F2002/30616A61F2002/30769A61F2002/30772A61F2002/30795A61F2002/30841A61F2002/30906A61F2002/3093
    • A unitary intervertebral device, having no moving components is provided for non-fusion articulation applications. The interbody articulating device allows for limited flexion and rotation between adjacent vertebrae, helping to preserve or restore near-normal motion between adjacent vertebrae. Rotational motion is achieved through one or more protrusions incorporated into the spinal interbody device. In one articulating form, a first protrusion extends perpendicularly from the superior aspect of the disc-shaped interbody device to form a spike or rotational protrusion, while a second protrusion extends axially from the inferior aspect of the interbody device to form a second spike or rotational protrusion. Protrusions preferably extend perpendicular from the apex of both the first and second arcuate articulating surfaces. In another form, a single protrusion extends axially from the superior aspect of a circular-shape of the interbody device to form a spike or anchoring protrusion, while the inferior surface may be slightly rounded and/or comprising a bone-ingrowth promoting surface. In another form, one or both of the first and / or second arcuate surfaces may be highly polished. Numerous planar geometries are described to define various profiles of the disc replacement implant which may be utilized, including irregular Reuleaux polygons. Numerous variations of the disc replacement and methods of use are described. Similarly configured fusion salvage devices are also described.
    • 为非融合关节应用提供了没有移动部件的单一椎间装置。 椎间关节运动装置允许相邻椎骨之间有限的弯曲和旋转,有助于保持或恢复相邻椎骨之间的近正常运动。 通过结合到脊椎体间装置中的一个或多个突起实现旋转运动。 在一个铰接形式中,第一突起从盘形体间装置的上部垂直方向延伸以形成尖头或旋转突起,而第二突起从该体间装置的下部方向轴向延伸以形成第二尖峰或旋转 突出。 突起优选地从第一和第二弓形铰接表面的顶点垂直延伸。 在另一种形式中,单个突起从中间体装置的圆形的上部方向轴向延伸以形成钉或锚定突起,而下表面可以稍微圆化和/或包括骨内生长促进表面。 在另一种形式中,第一和/或第二弧形表面中的一个或两个可以被高度抛光。 描述了许多平面几何形状以限定可以使用的盘替换植入物的各种轮廓,包括不规则的Reuleaux多边形。 描述了盘替换和使用方法的许多变化。 还描述了类似配置的融合救助装置。