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    • 7. 发明授权
    • Portal design for stent for treating bifurcated vessels
    • 用于治疗分叉血管的支架的门式设计
    • US07465315B2
    • 2008-12-16
    • US11495081
    • 2006-07-28
    • Grayson MorrisRommel Lumauig
    • Grayson MorrisRommel Lumauig
    • A61F2/06
    • A61F2/915A61F2/856A61F2002/91516A61F2002/91525A61F2002/91533A61F2002/91558A61F2002/91575A61F2250/0036
    • A stent pattern includes an improved portal region for repairing a main vessel and a side branch vessel forming a bifurcation. More particularly, the stent has rings aligned along a common longitudinal axis that are connected by links, where the stent has a proximal section, a distal section, and a central section (portal region). The number of rings and the expanded diameter of the sections are varied to create a “trap door” capable of expanding to a slightly larger diameter than the proximal section and the distal section of the stent. The configuration of the stent pattern of the portal region prevents the occurrence of portal overlap of immediately adjacent rings into the portal region during stent deployment. The stent is implanted at a bifurcation so that the proximal section and the distal section are in the main vessel, and the central section contacts at least a portion of the opening to the side branch vessel. A second stent can be implanted in the side branch vessel and abut the expanded central section to provide full coverage of the bifurcated area in the main vessel and the side branch vessel.
    • 支架图案包括用于修复主容器的改进的入口区域和形成分叉的侧分支容器。 更具体地,支架具有沿着通过连接件连接的共同纵向轴线对准的环,其中支架具有近端部分,远侧部分和中心部分(入口区域)。 改变环的数量和扩大的​​直径以产生能够扩展到比支架的近端部分和远端部分稍大的直径的“诱捕门”。 入口区域的支架图案的构造防止了在支架展开期间立即相邻的环的入口重叠发生到入口区域中。 将支架植入分叉处,使得近端部分和远端部分在主血管中,并且中心部分接触到侧分支血管的开口的至少一部分。 第二支架可以植入侧支血管并且邻接扩张的中心部分以提供主血管和侧支血管中的分叉区域的全面覆盖。