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    • 8. 发明申请
    • Less invasive surgical system and methods
    • 侵入性较小的手术系统和方法
    • US20060074445A1
    • 2006-04-06
    • US10957888
    • 2004-09-29
    • David GerberShaun HansonXiaoping HuDouglas KephartKyle KuntzAndrew Lee
    • David GerberShaun HansonXiaoping HuDouglas KephartKyle KuntzAndrew Lee
    • A61M29/00
    • A61B17/7082A61B17/7074A61B17/7076A61B17/7083A61B17/7085A61B17/7089A61B17/7091
    • A system for performing a less invasive surgical procedure and, in particular, devices and methods for spinal fixation. The system comprises dilation tool(s), at least one working/insertion cannula, a plurality of screws, at least one fixation rod for connecting the screws, and a rod inserter. The dilation tool(s) may be used to dilate an incision made in a patient to form an opening. Thereafter, a drill may be used to form holes in the vertebrae. An insertion cannula may be attached to a screw and inserted into the opening. The screws may be polyaxial screws and may be inserted into the vertebrae using a screwdriver. An operator may then move the insertion cannula to manipulate a head portions of the screws such that the head portions may be aligned to receive a fixation rod. A rod inserter may be used to insert a fixation rod into the head portions. After the fixation rod is in place, it may be locked to the screws, thereby fixing the system in place on the spine.
    • 用于执行侵入性较小的外科手术的系统,特别是用于脊柱固定的装置和方法。 该系统包括扩张工具,至少一个工作/插入插管,多个螺钉,用于连接螺钉的至少一个固定杆和杆插入器。 扩张工具可用于扩张在患者体内形成的切口以形成开口。 此后,可以使用钻头在椎骨中形成孔。 插入插管可以附接到螺钉并插入到开口中。 螺钉可以是多轴螺钉,并且可以使用螺丝刀插入椎骨中。 操作者然后可以移动插入套管以操纵螺钉的头部,使得头部可以对齐以接收固定杆。 杆插入器可用于将固定杆插入头部。 固定杆就位后,可将其锁定在螺钉上,从而将系统固定在脊椎上。