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    • 20. 发明授权
    • Biopsy needle device
    • 活检针装置
    • US06984213B2
    • 2006-01-10
    • US10766369
    • 2004-01-28
    • Shawn K. HornerF. Mark FergusonDonald D. Solomon
    • Shawn K. HornerF. Mark FergusonDonald D. Solomon
    • A61B10/00
    • A61B10/0275A61B10/025A61B2010/0208A61B2017/0046A61B2017/00477A61B2090/08021A61B2090/3925A61M5/326A61M5/3273A61M5/3275A61M25/0618A61M2005/1581A61M2005/325
    • A medical needle shield apparatus is provided that includes a first housing configured to actuate a needle cannula. A second housing is releasably engageable with the first housing. The needle cannula is disposed for slidable movement with the second housing such that the second housing is extensible from a retracted position to an extended position to enclose a distal end of the needle cannula. The second housing includes a binding member that defines binding surfaces that form an aperture configured for slidable receipt of the needle cannula. The binding member includes a drag inducing member that engages the needle cannula during slidable receipt of the needle cannula to create a drag force. The drag force and second housing facilitate rotation of the binding member relative to a longitudinal axis of the needle cannula such that the binding surfaces engage the needle cannula to prevent slidable movement of the needle cannula.
    • 提供了一种医疗针护罩装置,其包括构造成致动针插管的第一壳体。 第二壳体可释放地与第一壳体接合。 针套管设置成与第二壳体可滑动运动,使得第二壳体从缩回位置延伸到延伸位置以封闭针插管的远端。 第二壳体包括装订构件,其限定形成用于可滑动地接收针插管的孔的装订表面。 绑定构件包括阻力诱导构件,其在可滑动地接收针套管以产生拖曳力的同时与针插管接合。 牵引力和第二壳体有助于装订构件相对于针套管的纵向轴线的旋转,使得装订表面接合针插管以防止针插管的可滑动运动。