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    • 4. 发明申请
    • COMBINATION DISTRACTER AND INSERTER INSTRUMENT
    • 组合分离器和插入式仪器
    • US20110166611A1
    • 2011-07-07
    • US12941147
    • 2010-11-08
    • David T. Stinson
    • David T. Stinson
    • A61B17/56
    • A61B17/025A61B2017/0256A61F2/4611A61F2002/4627A61F2002/4687
    • A combination distracter and inserter instrument is provided. The instrument may comprise a pair of paddles configured to be inserted in between vertebral bodies. Each paddle may be attached at one end to a control handle and terminate at an opposite end in a tapered tip. The instrument may include a movable arm positioned in between the elongate paddles. The movable arm is attached to the control handle and configured at an opposite end to hold an implant for insertion into a disc space between vertebral bodies. In use, the instrument distracts the vertebral bodies with the elongate paddles as the spinal fusion implant is being delivered to the disc space with the movable arm. The instrument may also include a feature that prevents overinsertion of the paddles into the patient's spine, and a feature that prevents overinsertion of the implant into the disc space.
    • 提供了一种组合分离器和插入器。 仪器可以包括构造成插入在椎体之间的一对桨叶。 每个桨叶可以在一端连接到控制手柄并终止在锥形尖端的相对端。 仪器可以包括定位在细长桨叶之间的可动臂。 可移动臂附接到控制手柄并且构造在相对端以保持植入物以插入到椎体之间的椎间盘空间中。 在使用中,当脊骨融合植入物被可移动臂传送到椎间盘空间时,该器械会使细长桨叶分散椎体。 仪器还可以包括防止桨叶过度插入患者脊柱的特征,以及防止植入物过度插入椎间盘空间的特征。