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    • 1. 发明授权
    • Implantable elbow joint
    • 可植入肘关节
    • US4538306A
    • 1985-09-03
    • US506687
    • 1983-06-22
    • Erhard DorrePeter PrussnerLudwig Zichner
    • Erhard DorrePeter PrussnerLudwig Zichner
    • A61F2/30A61F2/38A61F1/04
    • A61F2/3804A61F2002/30624A61F2002/30626A61F2002/3813A61F2002/3822A61F2002/3831
    • An implantable elbow joint for connecting the upper arm and the forearm includes an axially extending sleeve of C-shape transverse cross-section, a cylindrical member engageable within the sleeve, and a connecting member implantable in the ulna and engageable with the cylindrical member in the sleeve. The sleeve embraces the trochlea of the humerus through an angle of more than 180.degree. about the sleeve axis and also serves as the abutment for supporting the radius. The sleeve has a slot extending in the radial and the circumferential directions. At least in the region of the slot, the internal surface of the sleeve is formed by a cylindrically shaped surface. A cylindrically shaped sliding member is supported in the sleeve in the region of the slot. An elongated shaft is arranged to be inserted into the ulna with one end projecting out of the ulna and extending through the slot into the sliding member.
    • 用于连接上臂和前臂的可植入肘关节包括C形横截面的轴向延伸的套筒,可接合在套筒内的圆柱形构件和可移植到尺尺中并可与圆柱形构件接合的连接构件 袖。 袖子围绕套筒轴围绕肱骨的滑车角度大于180°,并且还用作支撑半径的基台。 套筒具有沿径向和圆周方向延伸的槽。 至少在槽的区域中,套筒的内表面由圆柱形表面形成。 圆筒形的滑动构件在狭槽的区域中被支撑在套筒中。 细长轴被布置成插入尺尺中,一端突出尺尺并延伸穿过狭槽进入滑动构件。
    • 10. 发明授权
    • Elbow prosthesis
    • 肘假体
    • US4383337A
    • 1983-05-17
    • US199491
    • 1980-10-22
    • Robert G. VolzRichard R. VanzileRichard C. Bolesky
    • Robert G. VolzRichard R. VanzileRichard C. Bolesky
    • A61F2/38A61F1/04
    • A61F2/3804A61F2002/3822A61F2002/3827A61F2002/3831
    • A humeral member and an ulnar member are joined by an intermediate insert which functions as an ulnar bushing. A radial member may also be employed with the prosthesis. The ulnar member includes a curved surface from which a support projects. Preferably, the curved surface is in concave cylindrical form from which a flat support radially projects. The support terminates in a cylindrical member which has an axis located at the center of the curvature of the curved surface. The ulnar bushing is of generally cylindrical configuration and is mounted about the cylindrical member for rotation. The humeral member engages the intermediate insert allowing relative rotation between the ulnar member and the intermediate insert along with the humeral member. A spherical portion projects from the side of the humeral member and has an axis parallel to the axis of rotation of the ulnar member. The spherical portion is for contact with the radius or radial member. The radial member has a concave spherical surface for engaging the spherical portion and may include a circular X-ray wire in a top portion thereof.
    • 肱骨构件和尺骨构件通过用作尺骨衬套的中间插入件连接。 径向构件也可以与假体一起使用。 尺骨构件包括弯曲表面,支撑件从该弯曲表面突出。 优选地,弯曲表面是凹形圆柱形形式,平坦支撑从该圆形形状径向突出。 支撑终止于具有位于曲面的曲率的中心的轴的圆柱形构件。 尺骨衬套通常为圆柱形构造,并围绕圆柱形构件安装以旋转。 肱骨构件接合中间插入物,允许尺骨构件和中间插入物之间与肱骨构件一起相对旋转。 球形部分从肱骨构件的侧面突出并且具有平行于尺骨构件的旋转轴线的轴线。 球形部分用于与半径或径向构件接触。 径向构件具有用于接合球形部分的凹形球形表面,并且可以在其顶部包括圆形X射线线。