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    • 10. 发明授权
    • Endolumenal prosthesis and method of use in bifurcation regions of body lumens
    • 腔内假体及其在体腔分叉区域的使用方法
    • US06520988B1
    • 2003-02-18
    • US08937130
    • 1997-09-24
    • Antonio ColomboRobert D. LashinskiMatthew J. BirdsallDennis L. BrooksPhilip J. HaarstadJames C. Peacock, III
    • Antonio ColomboRobert D. LashinskiMatthew J. BirdsallDennis L. BrooksPhilip J. HaarstadJames C. Peacock, III
    • A61F206
    • A61F2/856A61F2/91A61F2/915A61F2/954A61F2/958A61F2002/065A61F2002/91541A61F2002/91558A61F2250/0039
    • An endolumenal medical device assembly is provided for use in a bifurcation region of a body lumen. An expandable prosthesis, such as a stent, is included in the assembly and is adjustable from a radially collapsed condition to a radially expanded condition. The expandable prosthesis includes a prosthesis passageway and a side port. A dilator or an access device is engaged within the prosthesis passageway and also through the side port while the expandable prosthesis is in the radially collapsed condition. The expandable prosthesis may be positioned in the bifurcation region such that its distal end portion is in a first branch lumen extending from the bifurcation, its proximal end portion is in a common proximal lumen of the bifurcation region, and the side port is aligned with an entrance zone to a second branch lumen extending from the bifurcation. When the expandable prosthesis is so positioned the access device maintains percutaneous translumenal access to the second branch lumen through the prosthesis passageway and the side port while the expandable prosthesis is adjusted from the radially collapsed condition to the radially expanded condition. A dilator may also to expand the bore formed by the side port from an initial inner diameter to a larger expanded inner diameter. A second, lateral expandable prosthesis can also be coupled to the first expandable prosthesis at a location adjacent to the side port and engaged by the dilator or access device extending through the side port.
    • 提供了一种用于体腔分叉区域的腔内医疗装置组件。 可扩张假体,例如支架,被包括在组件中,并且可以从径向塌陷状态调节到径向扩张状态。 可扩张假体包括假体通道和侧端口。 扩张器或进入装置接合在假体通道内并且还可以通过侧端口,而可扩张假体处于径向折叠状态。 可扩张假体可以位于分叉区域中,使得其远端部分处于从分叉延伸的第一分支腔中,其近端部分位于分叉区域的共同的近侧内腔中,并且侧端口与 入口区到从分叉延伸的第二分支腔。 当可扩张假体如此定位时,进入装置通过假体通道和侧端口保持对第二分支腔的经皮腔内通路,同时将可扩张假体从径向折叠状态调节到径向扩张状态。 扩张器还可以将由侧口形成的孔从初始内径扩大到较大的扩大内径。 第二横向可膨胀假体还可以在与侧端口相邻的位置处联接到第一可扩张假体,并且通过延伸穿过侧端口的扩张器或进入装置接合。