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    • 8. 发明申请
    • MARKING DEVICE WITH RETRACTABLE CANNULA
    • 具有可收缩肛门的标记装置
    • US20150164610A1
    • 2015-06-18
    • US14631906
    • 2015-02-26
    • Bard Peripheral Vascular, Inc.BARD SHANNON LIMITED
    • Steven E. FieldRyan L. GoosenRichard E. DavisRichard M. Chesbrough
    • A61B19/00
    • A61B90/39A61B2090/0801A61B2090/3908A61B2090/3987
    • A marking device includes a handle defining a hollow interior, and a delivery assembly slidably mounted to the handle. The delivery assembly includes a cannula, a stylet assembly, an imaging marker, and an actuator. The cannula has a cannula distal end with a marker recess. The imaging marker is disposed within the marker recess. The actuator is operably coupled to the delivery assembly and is operable to transition the delivery assembly through at least three configurations: a first configuration characterized in that the cannula is positioned in an extended position and the stylet assembly is positioned in a ready position; a second configuration characterized in that the cannula is positioned in the extended position and the stylet assembly is positioned in an implant position; and a third configuration characterized in that the cannula is positioned in the retracted cannula position and the stylet is retracted into the handle.
    • 标记装置包括限定中空内部的手柄和可滑动地安装到手柄的输送组件。 输送组件包括插管,探针组件,成像标记和致动器。 套管具有带有标记凹槽的套管远端。 成像标记设置在标记凹槽内。 致动器可操作地联接到输送组件并且可操作以通过至少三种构造来转移输送组件:第一构型,其特征在于,套管定位在延伸位置,并且探针组件定位在就绪位置; 第二配置,其特征在于,套管定位在伸出位置,探针组件定位在植入位置; 以及第三构造,其特征在于,套管定位在缩回的插管位置,并且探针收回到手柄中。