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    PROSTHESIS SYSTEM INCLUDING BEARING COMPONENT
    3.
    发明申请
    PROSTHESIS SYSTEM INCLUDING BEARING COMPONENT 审中-公开

    公开(公告)号：US20170079801A1

    公开(公告)日：2017-03-23

    申请号：US15267793

    申请日：2016-09-16

    申请人： Nick Drury ,  Jeff Blaylock ,  Stephen E. White ,  Calie B. Grey

    发明人： Nick Drury ,  Jeff Blaylock ,  Stephen E. White ,  Calie B. Grey

    IPC分类号： A61F2/38

    CPC分类号： A61F2/389 ,  A61F2/28 ,  A61F2/38 ,  A61F2002/30934

    摘要： According to one example, a tibial bearing component for articulation with a medial condyle and a lateral condyle of a femoral component in a knee replacement procedure is disclosed. The tibial bearing component can include a distal surface and an articular surface opposing the distal surface. The articular surface can include a medial compartment and a lateral compartment configured for articulation with the medial condyle and the lateral condyle of the femoral component, respectively. The lateral compartment can have a lateral articular track with a lateral anterior-posterior extent. The lateral articular track can comprise a plurality of distal-most points along a proximal surface of the lateral compartment that are contacted by the lateral condyle during rollback of the femoral component. The medial compartment can differ in configuration from the lateral compartment and can have an anterior lip height of between about 9 mm and about 13 mm.

    TAPERED TIBIAL AUGMENT
    4.
    发明申请
    TAPERED TIBIAL AUGMENT 审中-公开
    TAPERED TIBIALAGMENT

    公开(公告)号：US20140222155A1

    公开(公告)日：2014-08-07

    申请号：US14173280

    申请日：2014-02-05

    申请人： Dianne S. Metzger ,  Ian R. Vaughan ,  Calie B. Grey

    发明人： Dianne S. Metzger ,  Ian R. Vaughan ,  Calie B. Grey

    IPC分类号： A61F2/38 ,  A61F2/30

    CPC分类号： A61F2/389 ,  A61F2/30734 ,  A61F2/468 ,  A61F2002/30604

    摘要： In typical knee repair or replacement surgery, a femoral implant includes a pair of convex condylar surfaces that can slide within corresponding concave bearing indentations on a tibial bearing surface. The tibial bearing surface is disposed on a proximal side of a tibial platform. A stem can extend distally from the tibial platform, and can attach to a cut proximal end of the tibia. A tibial augment can attach to the distal side of the tibial platform, and can reduce or eliminate a lateral overhang of the tibial platform with respect to the cut proximal end of the tibia. The tibial augment may have a tapered periphery. The taper may extend inward in a distal direction. The taper may vary along the periphery of the tibial augment, so that at least a portion of a medial taper is different from at least a portion of a lateral taper.

    摘要翻译： 在典型的膝盖修复或替换手术中，股骨植入物包括可在胫骨支承表面上相应的凹入轴承凹陷内滑动的一对凸髁表面。 胫骨支承表面设置在胫骨平台的近侧。 杆可以从胫骨平台向远端延伸，并且可以附接到胫骨的切割近端。 胫骨增强件可以附接到胫骨平台的远侧，并且可以相对于胫骨的切割的近端减小或消除胫骨平台的横向伸出。 胫骨增大可以具有锥形周边。 锥形可以在远端方向向内延伸。 锥形可以沿着胫骨增大的周边而变化，使得内侧锥形的至少一部分不同于侧向锥度的至少一部分。