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    • 4. 发明申请
    • Preform for making a prosthetic limb socket
    • 制造假肢插座的预制件
    • US20120045607A1
    • 2012-02-23
    • US12806598
    • 2010-08-17
    • Robert B. MeyerWilbur N. Meyer
    • Robert B. MeyerWilbur N. Meyer
    • B32B3/06
    • A61F2/80Y10S623/901Y10S623/926Y10T428/21Y10T428/214Y10T428/218Y10T428/219Y10T428/22
    • A preform for making a prosthetic limb socket includes an injection molded disk of thermoplastics material, and a peripheral portion of the disk is supported by a rigid metal ring. The ring and the peripheral disk portion have an interfitting connection which permits the disk and ring to be heated in an oven. The ring and softened disk are then inverted and stretched downwardly over a positive model of a residual limb while a vacuum is introduced through holes within the model to form a plastic socket which conforms to the model. The interfitting connection may be peripherally spaced studs on the ring and projecting into corresponding holes in the disk or may be an annular rib or arcuate rib sections on the ring which project into an annular recess or arcuate cavities within the disk. After the plastic cools, the ring is separated for reuse.
    • 用于制造假肢插座的预成型件包括热塑性材料的注塑盘,并且盘的周边部分由刚性金属环支撑。 环和外围圆盘部分具有允许盘和环在烘箱中加热的配合连接。 然后将环和软化的盘倒置并在残余肢体的正模型上向下拉伸,同时通过模型内的孔引入真空以形成符合模型的塑料插座。 配合连接可以在环上周向间隔开的螺柱并且突出到盘中的相应孔中,或者可以是环上的环形肋或弓形肋部分,其突出到盘内的环形凹部或弓形腔中。 塑料冷却后,将环分开以重新使用。