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    • 13. 发明授权
    • Method and apparatus for performing spinal surgery
    • 用于执行脊柱手术的方法和装置
    • US08535320B2
    • 2013-09-17
    • US13204583
    • 2011-08-05
    • Troy WoolleyNathan LovellMichael SerraMark Peterson
    • Troy WoolleyNathan LovellMichael SerraMark Peterson
    • A61B17/56A61B1/32
    • A61B17/7077A61B1/32A61B17/0206A61B17/7076A61B2017/0256
    • Instruments and methods for creating an operative corridor to the spine are described. The instruments include, for example, a retractor assembly with at least one retractor blade that may be releasably coupled to a bone anchors via a hoop shim. The hoop shim includes a shim portion that may slidably engage the retractor blade and a hoop portion extending from the shim portion that includes an aperture that receives the bone anchor. The hoop portion may have an unlocked configuration that allows passage of the bone anchor and a locked position which prevents passage of the bone anchor to releasably couple the hoop shim to the bone anchor. The hoop shim may be configured to couple to the bone anchor such that the hoop shim may angulate relative to the bone anchor.
    • 描述了用于创建到脊柱的手术走廊的仪器和方法。 仪器包括例如具有至少一个牵开器叶片的牵开器组件,所述牵开器叶片可以经由环形垫片可释放地联接到骨锚。 环形垫片包括可滑动地接合牵开器叶片的垫片部分和从包括接收骨锚固件的孔的垫片部分延伸的箍部分。 箍部分可以具有允许骨锚固件通过的锁定构造和防止骨锚通过以将环箍垫片可释放地联接到骨锚固件的锁定位置。 环形垫片可以被配置成联接到骨锚固件,使得箍垫片相对于骨锚固件可以成角度。