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    • 78. 发明授权
    • Needle for biopsy device
    • 针活检装置
    • US08574167B2
    • 2013-11-05
    • US12843092
    • 2010-07-26
    • Eric B. SmithShailendra K. PariharMichael J. AndreykoKyle P. MooreJames Janszen
    • Eric B. SmithShailendra K. PariharMichael J. AndreykoKyle P. MooreJames Janszen
    • A61B10/00
    • A61B10/0266A61B10/0096A61B10/0233A61B10/0275A61B10/0283
    • A biopsy device comprises a body and a needle extending distally from the body. The needle comprises a cannula and a tissue piercing tip that is unitary with the cannula. The tissue piercing tip may be formed by compressing the distal end of the cannula to put two distal cannula portions in apposition with each other. One of the apposed distal cannula portions may be removed. The remaining distal cannula portion may be formed into a blade of the tissue piercing tip. A cutter may be moved relative to the needle to sever samples from tissue protruding through a transverse aperture formed in the cannula. A gap may be provided between the exterior of the cutter and the interior of the cannula, permitting the cutter to be distally vented while a proximal vacuum is communicated to the cutter to transport severed tissue samples proximally through the cutter.
    • 活检装置包括主体和从身体向远侧延伸的针。 该针包括与套管一体的套管和组织穿刺尖端。 组织穿刺尖端可以通过压缩套管的远端来形成,以使两个远端套管部分彼此并置。 所述远端插管部分中的一个可被移除。 剩余的远侧插管部分可以形成为组织穿刺尖端的刀片。 刀具可以相对于针移动以从通过形成在套管中的横向孔突出的组织切割样品。 可以在切割器的外部和套管的内部之间提供间隙,允许切割器被远离通气,同时将近端真空传送到切割器,以将切割的组织样品向近侧输送通过切割器。
    • 80. 发明授权
    • Trocar assembly
    • 套管套装
    • US08491533B2
    • 2013-07-23
    • US12575598
    • 2009-10-08
    • Shailendra K. PariharHaresh Patil
    • Shailendra K. PariharHaresh Patil
    • A61M5/178A61M25/00
    • A61B17/34A61B17/3462A61B17/3474A61B17/3498A61M13/003
    • A trocar sleeve assembly including a cannula connected to a housing assembly to define a working channel, wherein the housing assembly includes a housing that defines an opening in fluid communication with the working channel, a sleeve slidably received over the housing to define an annular region between the sleeve and the housing, a first sealing member forming a first seal between the sleeve and the housing, and a second sealing member forming a second seal between the sleeve and the housing, the second sealing member being axially spaced from the first sealing member to define a chamber in the annular region, and an insufflation port in fluid communication with the chamber, wherein the sleeve is slidable relative to the housing between a first position, wherein the chamber is in fluid communication with the opening, and a second position, wherein the chamber is fluidly decoupled from the opening.
    • 套管套筒组件,其包括连接到壳体组件以限定工作通道的插管,其中所述壳体组件包括限定与所述工作通道流体连通的开口的壳体;可滑动地容纳在所述壳体上的套筒, 所述套筒和所述壳体,形成所述套筒和所述壳体之间的第一密封件的第一密封构件,以及在所述套筒和所述壳体之间形成第二密封件的第二密封构件,所述第二密封构件与所述第一密封构件轴向间隔开, 在所述环形区域中限定室,以及与所述室流体连通的吹入口,其中所述套筒可相对于所述壳体在第一位置和第二位置之间在第一位置和第二位置之间流体连通, 该室与开口流体地分离。