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    • 10. 发明授权
    • Multi-section stent
    • 多段支架
    • US06258117B1
    • 2001-07-10
    • US09292558
    • 1999-04-15
    • Allen R. CamrudRobert S. SchwartzDavid R. Holmes, Jr.Timothy D. ArgoDavid Berry
    • Allen R. CamrudRobert S. SchwartzDavid R. Holmes, Jr.Timothy D. ArgoDavid Berry
    • A61F206
    • A61F2/88A61F2/07A61F2/82A61F2/86A61F2/89A61F2/90A61F2002/826A61F2002/828A61F2210/0004A61F2250/0031A61F2250/0039A61F2250/0067A61F2250/0071A61F2250/0098
    • A multi-section stent includes a connecting structure that allows the stent sections to move and flex relative to one another. For deployment and positioning, the connecting structure connects the multiple stent sections and holds the stent sections substantially stationary relative to one another. Following deployment, the connecting structure allows the multiple stent sections to move relative to one another. Movable stent sections enable flexure of the stent upon deployment within a body lumen. This flexing structure allows better conformance of the stent to the shape of the body lumen, and exerts less overall pressure against the lumen wall, reducing the potential for trauma. Upon deployment, the multiple stent sections may be completely detached from one another. Alternatively, the stent sections may remain partially connected in a manner that allows substantial independent movement. The connecting structure can be manufactured to separate upon deployment, for example, by breaking or degrading within the body lumen in which the stent is positioned.
    • 多部分支架包括允许支架部分相对于彼此移动和弯曲的连接结构。 为了部署和定位,连接结构连接多个支架部分并且将支架部分相对于彼此基本上保持固定。 在部署之后,连接结构允许多个支架部分相对于彼此移动。 可移动支架部分能够在展开在体腔内时使支架挠曲。 该弯曲结构允许支架更好地符合体腔的形状,并且对腔壁施加较小的整体压力,降低创伤的可能性。 在部署时,多个支架部分可以彼此完全分离。 或者,支架部分可以以允许基本独立运动的方式保持部分连接。 连接结构可以被制造成在展开时分离,例如通过在支架所在的体腔内破碎或降解。