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    • 32. 发明授权
    • Acetabular shell system and method for making
    • ular壳系统及制作方法
    • US07655162B2
    • 2010-02-02
    • US11366727
    • 2006-03-02
    • Mukesh Kumar
    • Mukesh Kumar
    • A61F2/34B29C41/00
    • A61L27/306
    • A method for forming an acetabular shell includes providing a working surface such as a mandrel, and spraying the working surface with a first layer of material having a first composition such as aluminum oxide. After a suitable thickness is generated, the spray composition is gradually changed to other compositions having desired particle sizes and distribution. In one example, the composition is changed to a mixture of aluminum oxide and titanium oxide and/or titanium. As thickness builds up, the relative amount of aluminum oxide is decreased such that the composition is all titanium and titanium oxide. After a desired thickness is generated, the acetabular shell is extracted off the mandrel.
    • 一种用于形成髋臼壳的方法包括提供诸如心轴的工作表面,并且用具有第一组成的第一层材料如氧化铝喷涂工作表面。 在产生合适的厚度之后,将喷雾组合物逐渐变为具有所需粒度和分布的其它组合物。 在一个实例中,将组合物改变为氧化铝和氧化钛和/或钛的混合物。 随着厚度的增加,氧化铝的相对量降低,使得组合物全部为钛和氧化钛。 在产生期望的厚度之后,将髋臼壳从芯轴上取出。