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    IMPLANTS FOR THE TREATMENT OF OSTEOARTHRITIS OF THE KNEE
    2.
    发明申请
    IMPLANTS FOR THE TREATMENT OF OSTEOARTHRITIS OF THE KNEE 有权
    用于治疗康乃梅神经痛的植入物

    公开(公告)号：US20100204801A1

    公开(公告)日：2010-08-12

    申请号：US12577955

    申请日：2009-10-13

    申请人： Peter S. WALKER ,  Joseph A. BOSCO

    发明人： Peter S. WALKER ,  Joseph A. BOSCO

    IPC分类号： A61F2/38 ,  A61B17/00

    CPC分类号： A61F2/3859 ,  A61B17/1675 ,  A61B17/1764 ,  A61B2017/1602 ,  A61F2/389 ,  A61F2002/30579 ,  A61F2002/30878 ,  A61F2002/30884 ,  A61F2002/3895 ,  A61F2310/00023 ,  A61F2310/00029 ,  A61F2310/00179

    摘要： A replacement knee implant has a femoral implant and a tibial implant, each of which are inset in a bone surface. The tibial implant is generally elongated with one end rounded and an opposite end conforming to the shape of the tibia, and is made of a metal alloy or a ceramic. The upper surface is dished while the lower surface is planar and can be parallel or sloped relative to the upper surface. The femoral implant for implementation in a femoral condyle is rounded such that, when implemented, the femoral implant is flush at the anterior and posterior sides and protruding away from the femur between the anterior and posterior ends. The femoral implant can have an elongated keel for extending into the femur, and can be made from a highly cross-linked polyethylene.

    摘要翻译： 替代膝盖植入物具有股骨植入物和胫骨植入物，每个植入物插入骨表面。 胫骨植入物通常是细长的，其一端是圆形的，并且相对的一端与胫骨的形状相符，并且由金属合金或陶瓷制成。 上表面是碟形的，而下表面是平面的，并且可以相对于上表面平行或倾斜。 用于在股骨髁中实施的股骨植入物是圆形的，使得当被实施时，股骨植入物在前侧和后侧齐平并且在前端和后端之间从股骨突出。 股骨植入物可以具有延伸到股骨中的细长龙骨，并且可以由高度交联的聚乙烯制成。

    Method of design of human joint prosthesis
    4.
    发明授权
    Method of design of human joint prosthesis 失效
    人体关节假体设计方法

    公开(公告)号：US4822365A

    公开(公告)日：1989-04-18

    申请号：US097286

    申请日：1987-09-11

    申请人： Peter S. Walker ,  Frederick C. Ewald

    发明人： Peter S. Walker ,  Frederick C. Ewald

    IPC分类号： A61F2/00 ,  A61F2/30 ,  A61F2/38 ,  G05B19/4099 ,  B23Q15/14

    CPC分类号： G05B19/4099 ,  A61F2/30942 ,  A61F2/38 ,  A61F2/3886 ,  A61F2002/30952 ,  A61F2310/00017 ,  A61F2310/00023 ,  A61F2310/00029 ,  G05B2219/35012 ,  G05B2219/45172 ,  G05B2219/49008 ,  Y10S623/914

    摘要： A method of designing a prosthesis having convex male and concave female mating portions is provided for a human joint comprising a condylar male portion the surface of which is generated by the piecewise analysis of an anatomical condyle, which can be an average condyle or a selected condyle, or a distortion of an average condyle to fit the observed general dimensions of a specific patient, and the female portion having at least flexion and laxity surfaces, the flexion surfaces of which are generated by plotting the path of articulation of substantial points of contact between said male portion and a corresponding anatomical female component for said joint through the full normal extension-flexion range plus normal rotation and posterior-anterior displacement for that joint, and the laxity surfaces of said female member comprising raised guide-bearing surfaces for resisting dislocation of the condylar portion, the height and angle, and therefore, the resistance to dislocation, of which guide bearing surfaces increases as a function of deviation from the central motion path of said male portion and as a function of the flexion angle, and which at full laxity for any given angle of flexion corresponds substantially to the forces of anatomical ligamentous restraint of said anatomical joint at the limits of laxity.

    摘要翻译： 提供了一种设计具有凸形阳凹配合部分的假体的方法，其包括髁突部分，所述髁突部分的表面通过解剖髁的分段分析产生，所述髁突部分可以是平均髁或选择的髁 ，或平均髁的变形以适应特定患者的观察到的一般尺寸，并且具有至少屈曲和松弛表面的雌性部分，其弯曲表面是通过绘制关节之间的实质接触点的路径而产生的 所述阳部分和用于所述关节的相应的解剖学阴部分通过完全正常的伸展屈曲范围加上该关节的正常旋转和后前移位，并且所述阴部件的松弛表面包括用于抵抗脱位的凸起的导向支承表面 髁突部分，高度和角度，因此，抵抗脱位 h导向轴承表面作为与所述阳部分的中心运动路径的偏离和作为屈曲角的函数的函数而增加，并且对于任何给定的屈曲角度而言，在完全松弛时，h导向轴承表面基本上对应于所述 解剖关节在松弛的极限。

    Knee joint prosthesis
    5.
    发明授权
    Knee joint prosthesis 失效
    膝关节假体

    公开(公告)号：US4213209A

    公开(公告)日：1980-07-22

    申请号：US908130

    申请日：1978-05-22

    申请人： John N. Insall ,  Peter S. Walker

    发明人： John N. Insall ,  Peter S. Walker

    IPC分类号： A61F2/38 ,  A61F1/24

    CPC分类号： A61F2/3886

    摘要： A knee joint prosthesis comprises a femoral component having laterally spaced-apart condylar portions shaped to match generally the shapes of the condylar surfaces of the femur and a tibial component having a plate-like platform portion which includes laterally spaced-apart concavities in the external surface, each of which receives and supports one of the condylar portions of the femoral component in all positions of the leg. The femoral component has a box-like intercondylar portion interconnecting the condylar portions and defining an intercondylar recess which receives a post that extends upwardly from the tibial component. At and near full extension of the leg, any tendency for posterial dislocation of the femur results in engagement between the anterior surfaces of the post and recess to prevent posterial dislocation of the femoral component relative to the tibial component. At leg flexions approaching full flexure, the posterior surface of the recess engages the posterior surface of the post in the event of a tendency toward anterial dislocation of the femur, thereby preventing anterial dislocation. Large antero-posterior movements and dislocation are prevented in all leg positions by engagement between surfaces of the post and recess. The post and recess are shaped and dimensioned to permit essentially normal rotation and lateral angulation of the prosthetic joint in all positions.

    摘要翻译： 膝关节假体包括具有横向间隔开的髁突部分的股骨部件，所述股髁部分的形状一般地匹配股骨髁表面的形状，以及具有板状平台部分的胫骨部件，所述胫骨部件在外表面中包括横向间隔开的凹部 ，其中的每一个在腿的所有位置中接收并支撑股骨部件的一个髁部。 股骨部件具有互连髁突部分并限定髁间凹部的盒状髁间部分，其接收从胫骨部件向上延伸的柱。 在腿部和接近完全伸展的情况下，股骨后部脱位的任何趋势导致柱的前表面和凹部之间的接合，以防止股骨部件相对于胫骨部件的后错位。 在接近完全弯曲的腿部弯曲处，在发生股骨的主动脱位的倾向的情况下，凹部的后表面接合柱的后表面，从而防止前置位错。 通过在柱和凹部的表面之间的接合，在所有的腿部位置防止大的前后运动和位错。 柱和凹部的形状和尺寸被设计成允许假体关节在所有位置基本正常地旋转和侧向成角度。

    MIDLAY COMPARTMENTAL TIBIAL COMPONENT
    7.
    发明申请
    MIDLAY COMPARTMENTAL TIBIAL COMPONENT 审中-公开
    中层配料组件

    公开(公告)号：US20150190234A1

    公开(公告)日：2015-07-09

    申请号：US14588890

    申请日：2015-01-02

    申请人： Chih-Shing Wei ,  Peter S. Walker

    发明人： Chih-Shing Wei ,  Peter S. Walker

    IPC分类号： A61F2/38

    CPC分类号： A61F2/389 ,  A61F2002/30324 ,  A61F2002/3895 ,  A61F2002/4631

    摘要： A Midlay component includes a plastic bearing part and a metal tray part. The upper surface of the bearing part is dished in frontal and sagittal planes, to provide a bearing surface, such that in function, the femoral contact point will remain in the central region of the bearing surface. Hence the load-bearing on the plastic bearing part will be above the thickest portion in the central region. The metal tray part features a tray-bottom that enables retention of strong cortical and cancellous portion of a tibia in the treatment of osteoarthritis of a knee joint, and supports the plastic bearing part, with the rim of the metal tray part maintaining the position of the plastic bearing part and minimizing micromotions.

    摘要翻译： Midlay组件包括塑料轴承部件和金属托盘部件。 轴承部分的上表面被摆放在正面和矢状平面上，以提供支承表面，使得在功能上，股骨接触点将保持在支承表面的中心区域。 因此，塑料轴承部分上的承载将在中心区域的最厚部分之上。 金属托盘部分具有托盘底部，其能够在治疗膝关节骨性关节炎的同时保持胫骨的强皮质和松质骨部分，并且支撑塑料轴承部分，金属托盘部分的边缘保持位置 塑料轴承部件和最小化微型电机。

    CONSTRAINED PROSTHETIC KNEE WITH ROTATING BEARING
    9.
    发明申请
    CONSTRAINED PROSTHETIC KNEE WITH ROTATING BEARING 有权
    受约束的旋转轴承

    公开(公告)号：US20120330430A1

    公开(公告)日：2012-12-27

    申请号：US13603899

    申请日：2012-09-05

    申请人： John E. Meyers ,  George D. Letson ,  Russell Windsor ,  Vincent A. Webster ,  Bill N. Sisk ,  Bill H. Haywood ,  Adam Griner ,  Michael Cook ,  Rodney L. Bays ,  Jerry L. Aikins ,  Marvin Figueroa ,  Peter S. Walker

    发明人： John E. Meyers ,  George D. Letson ,  Russell Windsor ,  Vincent A. Webster ,  Bill N. Sisk ,  Bill H. Haywood ,  Adam Griner ,  Michael Cook ,  Rodney L. Bays ,  Jerry L. Aikins ,  Marvin Figueroa ,  Peter S. Walker

    IPC分类号： A61F2/38

    CPC分类号： A61F2/3868 ,  A61F2/385

    摘要： A constrained prosthetic knee having a modular hinge post and a rotating bearing. A cannulated hinge post is rotatably connected to the femoral component of the knee prosthesis so that a hinge post extension may be anteriorly positioned through the hinge post and into the tibial component of the knee prosthesis, after positioning of the femoral component in the femur and the tibial component in the tibia. The hinge post is preassembled to the femoral component so that such assembly is not required during the implantation procedure. A meniscal component forming the rotating bearing of the knee prosthesis is packaged together with the hinge post extension so that the appropriate hinge post extension is readily available. The meniscal component includes a mechanism for preventing lift off of the meniscal component from the tibial component, while allowing rotation of the meniscal component relative to the tibial component.

    摘要翻译： 具有模块化铰链柱和旋转轴承的约束假肢膝盖。 插入式铰链柱可旋转地连接到膝盖假体的股骨部件，使得铰链柱延伸部可以在将股骨部件定位在股骨中之后通过铰链柱向前定位并进入膝关节假体的胫骨部件，并且 胫骨中的胫骨部件。 铰链柱预先组装到股骨部件上，使得在植入过程期间不需要这种组件。 形成膝盖假体的旋转轴承的半月板部件与铰链柱延伸部一起包装，使得适当的铰链柱延伸部可以容易地获得。 半月板部件包括用于防止半月板部件从胫骨部件脱离的机构，同时允许半月板部件相对于胫骨部件旋转。