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    • 40. 发明授权
    • External fixation assembly and method of use
    • 外固定装配及使用方法
    • US09566089B2
    • 2017-02-14
    • US14714678
    • 2015-05-18
    • Wake Forest University Health Sciences
    • Lawrence X. WebbLouis C. ArgentaMichael J. Morykwas
    • A61B17/70A61B17/66A61B17/60A61B17/86A61B17/00
    • A61B17/66A61B17/60A61B17/864A61B17/866A61B17/8685A61B2017/00544
    • An external fixation assembly includes a plurality of hollow pins that are inserted into a patient's bone. Each pin has an interior bore and a plurality of apertures extending through the pin wall from the bore. The pin may be coupled to a source of vacuum pressure operable to create reduced pressure in the tissue surrounding the pin. A cover is placed around the pin and sealed to provide a fluid-tight enclosure that maintains reduced pressure around the pin. A method for applying external fixation using the fixator pins described above includes the steps of inserting each pin through a skin opening, positioning the pin apertures near selected tissue, covering the skin opening with a sealed enclosure, connecting the pins to a source of vacuum pressure, and activating the source of vacuum pressure to create reduced pressure in the patient's tissue at or near the bone.
    • 外部固定组件包括插入患者骨骼中的多个中空销。 每个销具有内孔和从孔延伸穿过销壁的多个孔。 销可以联接到真空压力源,可操作以在围绕销的组织中产生减小的压力。 一个盖被放置在销的周围并被密封以提供一个流体密封的外壳,其保持围绕销的减压。 使用上述固定销来施加外部固定的方法包括以下步骤:将每个销插入皮肤开口,将销孔定位在所选组织附近,用密封的外壳覆盖皮肤开口,将销连接到真空压力源 并且激活真空压力源以在患者的组织中在骨骼处或骨附近产生减压。