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    • 6. 发明授权
    • Adjustable corpectomy apparatus
    • 可调骨架切除装置
    • US07544208B1
    • 2009-06-09
    • US11120034
    • 2005-05-02
    • Richard MuellerAndrew Budd
    • Richard MuellerAndrew Budd
    • A61F2/44
    • A61F2/44A61F2002/30383A61F2002/30495A61F2002/30507A61F2002/3055A61F2002/30551A61F2002/30601A61F2002/30777A61F2002/30841A61F2002/4475A61F2220/0025A61F2310/00023
    • A spinal fixation apparatus comprising an upper and lower endplate. Depending distally in a longitudinal direction from the upper endplate is an inner sleeve that fits inside an outer sleeve that depends distally in a longitudinal direction from the lower endplate. The inner sleeve includes grooves located on its outer surface. A finger cage including resilient fingers fits around the outer sleeve. The fingers have ends that include male grooves. The ends of the fingers fit into apertures located in the outer sleeve. The apparatus further includes a locking mechanism that pushes the tips of the fingers through the apertures of the outer sleeve such that they mesh with the grooves of the inner sleeve. When the locking mechanism is unlocked the tips of the fingers disengage from the grooves of the inner sleeve, and the inner sleeve slide axially within the outer cage, adjusting the height of the device.
    • 一种脊柱固定装置,包括上端板和下端板。 沿着从上端板的纵向方向向远侧方向是内套筒,其配合在从下端板沿纵向方向远离的外套筒的内侧。 内套筒包括位于其外表面上的凹槽。 包括弹性指状物的手指保持架围绕外套筒配合。 手指具有包括阳凹槽的端部。 手指的端部装配到位于外套筒中的孔中。 该装置还包括锁定机构,其通过外套筒的孔推动手指的尖端,使得它们与内套筒的凹槽啮合。 当锁定机构解锁时,手指的尖端与内套筒的槽脱离,并且内套筒在外笼内轴向滑动,调节装置的高度。