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    • 88. 发明授权
    • Neck length measuring device and method of using same for implanting a
hip prosthesis
    • 颈长度测量装置及其使用方法用于植入髋关节假体
    • US5792143A
    • 1998-08-11
    • US840576
    • 1997-04-21
    • Kent M. SamuelsonKevin T. Stone
    • Kent M. SamuelsonKevin T. Stone
    • A61B17/16A61F2/00A61F2/30A61F2/36A61F2/46A61B17/56
    • A61F2/4657A61F2/4607A61B17/1659A61B17/1668A61F2/3662A61F2/367A61F2/4684A61F2002/30617A61F2002/3071A61F2002/30797A61F2002/30963A61F2002/3611A61F2002/3625A61F2002/365A61F2002/4658A61F2002/4662A61F2250/0085A61F2250/0097
    • A method of implanting a hip prosthesis includes utilization of a device at the implantation site to confirm that the femoral prosthesis will have a neck length corresponding to a preoperative plan. First, a desired neck size for the femoral prosthesis is determined. Then, the femoral prosthesis is positioned in the femur. Next, a locator rod component is advanced toward the femoral prosthesis along an axis parallel to the longitudinal axis of the femoral prosthesis until a greater trochanter locator mounted on the side of the locator rod component is as close as possible to contacting the greater trochanter of the femur. Next, a neck sizing component, which has neck size markings on its outer surface, is placed on the neck projection of the femoral prosthesis. Finally, a reference distance is determined by identifying which of the reference distance markings of the locator rod component corresponds to a desired neck size marking on the neck measuring device along a line substantially perpendicular to the longitudinal axis of the femoral prosthesis. The determined reference distance should correspond to a planned reference distance that was determined in an appropriate preoperative templating and measuring procedure.
    • 植入髋关节假体的方法包括在植入部位利用装置来确认股骨假体具有对应于术前计划的颈部长度。 首先,确定股骨假体所需的颈部尺寸。 然后,股骨假体位于股骨中。 接下来,定位杆部件沿着平行于股骨假体的纵向轴线的轴向朝向股骨假体前进,直到安装在定位杆部件侧面上的大转子定位器尽可能接近大转子的大转子 股骨。 接下来,在其外表面上具有颈部尺寸标记的颈部施胶部件放置在股骨假体的颈部突出部上。 最后,通过确定定位杆部件的参考距离标记中的哪一个对应于颈部测量装置上沿着基本上垂直于股骨假体纵轴的线的所需颈部尺寸标记来确定参考距离。 确定的参考距离应对应于在适当的术前模板和测量程序中确定的计划参考距离。