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    • 67. 发明授权
    • Excisional biopsy devices and methods
    • 切除活检装置和方法
    • US07303531B2
    • 2007-12-04
    • US10796328
    • 2004-03-08
    • Roberta LeeJames W. Vetter
    • Roberta LeeJames W. Vetter
    • A61B5/00
    • A61B8/085A61B8/461A61B10/02A61B10/0266A61B10/0275A61B10/04A61B17/320725A61B18/1482A61B2017/00287A61B2018/00011A61B2018/1407A61B2018/1475A61B2090/3782A61B2090/3784A61B2218/002
    • An excisional biopsy device includes a tubular member having a window near a distal tip thereof; a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue excised by the cutting tool as the biopsy device is rotated and the cutting tool is bowed. An excision al biopsy method for soft tissue includes the steps of inserting a generally tubular member into the tissue, the tubular member including a cutting tool adapted to selectively bow away from the tubular member and an external tissue collection device near a distal tip of the tubular member; rotating the tubular member; selectively varying a degree of bowing of the cutting tool; collecting tissue severed by the cutting tool in the tissue collection device; and retracting the tubular member from the soft tissue. The tubular member may include an imaging transducer and the method may include the step of displaying information received from the transducer on a display device and the step of varying the degree of bowing of the cutting tool based upon the displayed information from the imaging transducer. Alternatively, the imaging transducer may be disposed within a removable transducer core adapted to fit within the tubular member.
    • 切除活检装置包括:管状构件,其具有靠近其顶端的窗口; 切割工具,所述切割工具的远端附接在所述管状构件的远侧末端附近,所述切割工具的至少远端部分被配置为选择性地弯曲出窗外并在窗内缩回; 以及组织收集装置,其至少外部连接到所述管状构件,所述组织收集装置收集由所述活检装置旋转并且所述切割工具弯曲时由所述切割工具切除的组织。 用于软组织的切除活检方法包括将大致管状构件插入组织的步骤,所述管状构件包括适于选择性地远离管状构件弓形的切割工具和在管状构件的远侧末端附近的外部组织收集装置 会员; 旋转管状构件; 选择性地改变切割工具的弯曲程度; 收集由组织收集装置中的切割工具切断的组织; 并从软组织缩回管状构件。 管状构件可以包括成像传感器,并且该方法可以包括在显示装置上显示从换能器接收的信息的步骤,以及基于来自成像换能器的显示的信息来改变切割工具的弯曲程度的步骤。 或者,成像换能器可以设置在适于装配在管状构件内的可移除换能器芯内。