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    • 8. 发明授权
    • Joint-replacement prosthetic device
    • 关节置换假体装置
    • US4673407A
    • 1987-06-16
    • US704622
    • 1985-02-20
    • Daniel L. Martin
    • Daniel L. Martin
    • A61F2/38
    • A61F2/38
    • A prosthetic device for use in joint replacement in a bone. The device includes an implant adapted to seat on a receiving surface of the bone, defining a bone/implant interface, and an attachment element adapted to be secured to a portion of the bone which is spaced from the interface by an axially extending bone region. The implant is connected to the attachment element by a connecting member adapted to allow substantially unhindered movement of the implant relative to the attachment member to freely accommodate elastic deformation in the bone region between the implant and attachment element. A low-modulus spring, operatively interposed between the connecting member and the implant or attachment element, functions to hold the implant against the bone surface with a selected compression force.
    • 一种用于骨关节置换的假体装置。 所述装置包括植入物,所述植入物适于位于所述骨的接收表面上,限定骨/植入物界面,以及适于被固定到所述骨的与轴向延伸的骨区域间隔开的部分的附接元件。 植入物通过连接构件连接到附接元件,连接构件适于允许植入物相对于附接构件的基本上不受阻碍的运动,以自由地容纳植入物和附接元件之间的骨区域中的弹性变形。 可操作地插入在连接构件和植入物或附接元件之间的低模量弹簧用于以选定的压缩力将植入物保持抵靠骨表面。