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    • 48. 发明申请
    • Surgical Stapling System
    • 外科手术系统
    • US20100224668A1
    • 2010-09-09
    • US12555417
    • 2009-09-08
    • Diego Y. FontayneJohn K. EdogaThierry Richard
    • Diego Y. FontayneJohn K. EdogaThierry Richard
    • A61B17/115
    • A61B17/115A61B17/072A61B17/1155A61B17/12013A61B2017/1107A61B2017/1157A61F2/06A61F2002/061A61F2002/065A61F2002/9517
    • A system is provided for joining two tubular structures by a surgical stapling procedure. The system includes a series of sizers, a specifically designed graft, a loading unit, a wand, a tourniquet, and a stapling instrument. The sizers are for determining the diameter of a target aorta and the availability of a sufficient transected aortic length to perform a stapling procedure. The loading unit holds the graft in position in the body and deploys a circumferential line of staples through the graft and an overlapping end of the aorta. The graft includes a side port by which the loading unit holds the graft during the stapling procedure, and which may be closed once the stapling procedure has been completed. The wand may be used to introduce the loading unit and graft into the body, to position them within the transected aorta, and to hold them in place during the application of the tourniquet. The tourniquet includes a band formed from a flexible material and having a width greater than its thickness so as to facilitate the formation of an annular loop. With the tourniquet holding the aorta and graft in relative overlapping positions, the wand may be removed from the loading unit and the stapling instrument includes a plurality of anvils, which may be closed to form a circle overlying the aorta, and a trigger mechanism for firing the staples. When fired, the staples are deployed radially outward through the graft and aorta, whereupon their free ends are bent inwardly by staple returns on the anvils. As a result, a plurality of staples may be simultaneously deployed quickly and accurately in a circumferential pattern so as to join together two tubular structures. The system may be used in either an open surgical procedure or laparascopically.
    • 提供一种通过外科缝合程序连接两个管状结构的系统。 该系统包括一系列分选机,专门设计的移植物,装载单元,魔杖,止血带和吻合器械。 筛分器用于确定目标主动脉的直径以及有足够横截面的主动脉长度来执行吻合程序。 装载单元将移植物保持在体内的适当位置,并且通过移植物和主动脉的重叠端部署周向的缝合线。 移植物包括侧端口,通过该侧端口,装订单元在缝合过程期间保持移植物,并且一旦装订程序完成,其可以关闭。 可以使用魔杖将装载单元和移植物引入体内,将其定位在横切主动脉内,并在止血带的应用期间将其保持在适当位置。 止血带包括由柔性材料形成并具有大于其厚度的宽度的带,以便于形成环形环。 使用止血带将主动脉和移植物保持在相对重叠的位置,可以将魔杖从装载单元移除,并且装订器械包括多个砧座,其可以被封闭以形成覆盖主动脉的圆圈,以及用于触发的触发机构 主食。 当被发射时,缝钉通过移植物和主动脉径向向外展开,于是它们的自由端通过砧座上的缝合返回而向内弯曲。 结果,可以以周向图案快速且准确地同时展开多个钉,以便将两个管状结构连接在一起。 该系统可以用于开放式外科手术或laparoscically。