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    • 7. 发明申请
    • EXPANDABLE ORTHOPEDIC DEVICE
    • 可扩展的正确设备
    • WO2003007830A1
    • 2003-01-30
    • PCT/US2002/022382
    • 2002-07-11
    • EXPANDING ORTHOPEDICS INC.
    • LEVY, Mark, M.GREENBERG, Ilan
    • A61B17/72
    • A61B17/7266A61B17/7291A61B17/744A61B17/746A61B2017/00867
    • A device for stabilizing bone includes a tubular body (502) having first (504) and second (506) end regions defining a longitudinal axis therebetween. A plurality of splines (510) extend from the first end region (504), the splines including first ends (510a) coupled to the first end region, and second ends (510c) disposed away from the first end region, the second ends being directable from a generally axial collapsed state to a substantially transverse expanded state. A plurality of support arms (520) are coupled to the splines, and an actuator (512) is coupled to the support arms, the actuator (512) movable axially relative to the elongate body (502) for causing the support arms to direct the second ends (506) of the splines from the collapsed state to the expanded state. Optionally, the device includes another set of splines extending from the second end (506) region or located at an intermediate region (530) of the tubular body.
    • 用于稳定骨骼的装置包括具有限定其间的纵向轴线的第一(504)和第二(506)端部区域的管状体(502)。 多个花键(510)从第一端部区域(504)延伸,花键包括联接到第一端部区域的第一端部(510a)和远离第一端部区域设置的第二端部(510c),第二端部 可从大致轴向折叠状态向基本上横向膨胀状态。 多个支撑臂(520)联接到花键,并且致动器(512)联接到支撑臂,致动器(512)可相对于细长主体(502)轴向移动,以使支撑臂引导 样条的第二端(506)从折叠状态到膨胀状态。 可选地,所述装置包括从所述第二端(506)区域延伸或位于所述管状体的中间区域(530)处的另一组花键。