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    • 17. 发明授权
    • Device and method for facilitating hemostasis of a biopsy tract
    • 促进活检道止血的装置和方法
    • US06440153B2
    • 2002-08-27
    • US09953395
    • 2001-09-14
    • Andrew H. CraggRodney BrennemanMark Ashby
    • Andrew H. CraggRodney BrennemanMark Ashby
    • A61B1708
    • A61B17/0057A61B10/0233A61B2017/00004A61B2017/00637A61B2017/00654
    • A system including an adaptor and a syringe is used for facilitating hemostasis of a biopsy tract or other puncture wound by delivery of an absorbable sponge in a hydrated state into the wound. The adaptor includes a tapered lumen for hydrating and compressing the relatively large absorbable sponge for delivery through a relatively small cannula, such as a biopsy needle. The hydrated absorbable sponge is injected through the biopsy needle into the biopsy tract by fluid. Alternatively, the sponge may be delivered to the biopsy needle by injection of fluid and then delivered to the biopsy tract by a plunger or stylet. The implanted absorbable sponge facilitates hemostasis at the biopsy site or other puncture wound and minimizes the chance of internal bleeding. The absorbable sponge material is absorbed by the body over time.
    • 包括适配器和注射器的系统用于促进通过将水合状态的可吸收海绵递送到伤口中来伤口活检管或其他穿刺的止血。 适配器包括锥形内腔,用于水合和压缩相对较大的可吸收海绵,以通过相对小的插管(例如活检针)递送。 将水合吸收海绵通过活检针注射入活检管内。 或者,可以通过注射流体将海绵递送到活检针,然后通过柱塞或通管针递送到活检管道。 植入的可吸收海绵有助于活检部位或其他穿刺伤口止血,并最大限度地减少内部出血的机会。 可吸收的海绵材料随着时间的过去被身体吸收。
    • 20. 发明授权
    • Percutaneous hemostatic suturing device and method
    • 经皮止血缝合装置及方法
    • US5868762A
    • 1999-02-09
    • US937939
    • 1997-09-25
    • Andrew H. CraggRodney Brenneman
    • Andrew H. CraggRodney Brenneman
    • A61B17/00A61B17/04
    • A61B17/0469A61B17/0057A61B2017/00637A61B2017/00654A61B2017/00663A61B2017/047A61B2017/0472
    • A device for suturing a vascular puncture site includes a shaft having a distal end terminating in a pair of resilient prongs, each of which releasably carries a suture anchor attached to one end of a suture. The shaft is installed within a hollow tube for longitudinal translation therein between first and second positions. The tube has a distal end portion and an opening spaced proximally therefrom. When the shaft is in its first position, the prongs are radially closed in the distal end portion. When the shaft is in its second position, the prongs expand radially to an open position through the opening. The proximal end of the shaft is connected to an actuation member in a fitting that is removably connectable to the proximal end of a sheath. The distal end of the tube is introduced into the puncture site through the sheath, with the shaft in its first position. The sheath is partially withdrawn, leaving the distal end of the tube inside the vessel. The shaft is moved to its second position, whereupon the prongs expand to their open position, thus positioning the suture anchors for penetration of the vascular wall tissue by manipulation of the shaft and/or the tube. The shaft is moved back to its first position to retract the prongs back into the tube, leaving the suture anchors secured to the vascular wall tissue. The tube is withdrawn, leaving the sutures trailing from the anchors so as to be secured together.
    • 用于缝合血管穿刺部位的装置包括具有端部终止于一对弹性插脚的远端的轴,每个弹性插脚可释放地携带连接到缝合线的一端的缝合锚。 轴安装在中空管内,用于在第一和第二位置之间纵向平移。 管具有远端部分和与其近端间隔开的开口。 当轴处于其第一位置时,尖端在远端部分中径向封闭。 当轴处于其第二位置时,叉头径向扩张通过开口的打开位置。 轴的近端连接到可拆卸地连接到护套的近端的配件中的致动构件。 管的远端通过护套引入穿刺部位,轴处于第一位置。 护套被部分拉出,使管的远端留在血管内。 轴移动到其第二位置,于是叉头扩展到其打开位置,从而通过操纵轴和/或管来定位缝合锚固件以穿透血管壁组织。 轴被移回到其第一位置以将叉头缩回到管中,留下缝合锚固件固定到血管壁组织。 将管取出,留下缝合线从锚固件中脱落,以便固定在一起。