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    • 6. 发明授权
    • Femoral-joint prosthetic device
    • 股关节假体装置
    • US4738681A
    • 1988-04-19
    • US753711
    • 1985-07-10
    • James B. KoenemanJoseph A. LongoRoger H. JohnsonThomas M. HansenAllan M. WeinsteinThomas P. Murray
    • James B. KoenemanJoseph A. LongoRoger H. JohnsonThomas M. HansenAllan M. WeinsteinThomas P. Murray
    • A61F2/32A61F2/30A61F2/36
    • A61F2/30965A61F2/36A61F2/3672A61F2002/3686
    • A femoral-side hip-joint prosthetic device for use in hip-joint replacement. The device includes an elongate stem whose surface defines maximally spaced infero-medial and supero-lateral surface curves, and which is characterized by a surface rotation which carries the supero-lateral surface curve about 18.degree.-30.degree. forward with respect to the infero-medial surface curve, on progressing upward along the upper surface portion of the stem, with the device in operative position. The rotation of the stem surface produces a close approximation to the cavity formed in the proximal femur by removal of the cancellous bone in the natural cavity formed by a wall of densified calcellous bone. A 3.degree.-15.degree. proximal anteversion of the neck is adapted to place a hip-joint ball carried on the stem at a position closely approximating that of the head in the natural femur. In the method of the invention, the cavity which receives the prothesis stem is formed by a rasp/broach-type tool whose surface conforms closely to that of the stem.
    • 用于髋关节置换的股骨侧髋关节假体装置。 该装置包括细长的杆,其表面限定了最大间隔的内侧和外侧表面曲线,其特征在于表面旋转,该表面旋转将超过侧面曲线约18°-30°, 内表面曲线沿着杆的上表面部分向上延伸,同时该装置处于操作位置。 茎表面的旋转通过去除由密实的钙质骨壁形成的自然腔中的松质骨而产生近似于在股骨近端形成的空腔。 颈部的3°-15°近端前倾适于将携带在茎上的髋关节球放置在与天然股骨中的头部近似的位置处。 在本发明的方法中,接收假体柄的空腔由表面与杆的表面相一致的锉刀/拉刀式工具形成。
    • 7. 发明授权
    • Femoral-joint prosthetic device
    • 股关节假体装置
    • US4895573A
    • 1990-01-23
    • US172026
    • 1988-03-23
    • James B. KoenemanJoseph A. LongoRoger H. JohnsonThomas M. HansenAllan M. WeinsteinThomas P. Murray
    • James B. KoenemanJoseph A. LongoRoger H. JohnsonThomas M. HansenAllan M. WeinsteinThomas P. Murray
    • A61F2/30A61F2/36
    • A61F2/36A61F2/30965A61F2/3672A61F2002/3686
    • A femoral-side hip-joint prosthetic device for use in hip-joint replacement. The device includes an elongate stem whose surface defines maximally spaced infero-medial and supero-lateral surface curves, and which is characterized by a surface rotation which carries the supero-lateral surface curve about 15.degree.-30.degree. forward with respect to the infero-medial surface curve, on progressing upward along the upper surface portion of the stem, with the device in operative position. The rotation of the stem surface produces a close approximation to the cavity formed in the proximal femur by removal of the cancellous bone in the natural cavity formed by a wall of densified cancellous bone. A 3.degree.-15.degree. proximal anteversion of the neck is adapted to place a hip-joint ball carried on the stem at a position closely approximating that of the head in the natural femur. In the method of the invention, the cavity which receives the prosthesis stem is formed by a rasp/broach-type tool whose surface conforms closely to that of the stem.
    • 用于髋关节置换的股骨侧髋关节假体装置。 该装置包括细长的杆,其表面限定了最大间隔的内侧和外侧表面曲线,其特征在于表面旋转,该表面旋转将超过15°-30°的超侧表面曲线相对于下 - 内表面曲线沿着杆的上表面部分向上延伸,同时该装置处于操作位置。 茎表面的旋转通过去除由致密化的松质骨壁形成的自然腔中的松质骨而产生近似于在股骨近端形成的空腔。 颈部的3°-15°近端前倾适于将携带在茎上的髋关节球放置在与天然股骨中的头部近似的位置处。 在本发明的方法中,接纳假体柄的腔由表面与杆的表面相一致的锉刀/拉刀式工具形成。