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    • 6. 发明公开
    • PROSTHETIC FOOT WITH HYBRID LAYUP
    • FUSSPROTHESE MIT HYBRIDBESCHICHTUNG
    • EP2869793A4
    • 2016-05-04
    • EP13812799
    • 2013-07-02
    • ÖSSUR HF
    • GUNNARSSON RAGNAR ORNLECOMTE CHRISTOPHE GSKULASON BENEDIKT
    • A61F2/60A61F2/66
    • A61F2/5044A61F2/66A61F2002/503A61F2002/5055A61F2002/5056A61F2002/6657
    • A prosthetic foot has a plate-like foot member with a core section substantially defined by one or more layers comprising a first material fiber, an upper section disposed above the core section, the upper section substantially defined by one or more layers comprising a second material fiber, and a lower section disposed below the core section, the lower section substantially defined by one or more layers comprising a third material fiber, where the upper, lower and core sections together define a total thickness of the plate-like elongate foot member. An idealized ratio of the cross sectional area of each section can be determined such that under an applied load provided to the hybrid layup, the ratio of maximum stress of a given section over the flexural strength of that given section is approximately equal for all sections of the hybrid layup. The hybrid layup arrangement can be configured to have a greater strength, but generally the same stiffness, as a similar foot member made of carbon fiber.
    • 假脚具有板状脚部件,芯部分基本上由一个或多个层限定,包括第一材料纤维,上部设置在芯部上方,上部基本上由一个或多个层限定,包括第二材料 纤维和布置在芯部下方的下部,下部基本上由包括第三材料纤维的一个或多个层限定,其中上部,下部和芯部一起限定板状细长脚部件的总厚度。 可以确定每个截面的横截面面积的理想化比例,使得在提供给混合叠层的施加载荷下,给定截面的最大应力与该给定截面的弯曲强度的比率对于所有区段的弯曲强度大致相等 混合上篮。 混合叠层布置可以构造成具有与由碳纤维制成的类似脚部构件更大的强度,但是通常具有相同的刚度。