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    • 1. 发明公开
    • Expandable stent
    • 扩张式支架
    • EP1790314A3
    • 2007-06-13
    • EP07004140.5
    • 1997-03-05
    • EVYSIO MEDICAL DEVICES ULC
    • Penn, Ian M.Ricci, Donald R.
    • A61F2/06A61F2/90
    • A61F2/915A61F2/82A61F2/88A61F2/91A61F2002/825A61F2002/828A61F2002/91525A61F2002/91533A61F2002/91575A61F2210/0019A61F2250/0018A61F2250/0036
    • An expandable stent (10) having a proximal end (15) and a distal end (20) in communication with one another. A tubular wall (25) is disposed between the proximal end and the distal end, and has a longitudinal axis. The tubular wall has a porous surface defined by a plurality of intersecting members (30) arranged to define a first repealing pattern comprised of a polygon having a pair of sidewalls (35,40) and substantially parallel to the longitudinal axis, a concave-shaped (50) first wall having a first apex (54), and a convex-shaped (60) second wall having a second apex (64). The first wall and the second wall connect the sidewalls, and at least one of the first apex and the second apex is substantially flat. The first apex and the second apex are of different lengths. The stent is expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force on the stent.
    • 一种具有彼此连通的近端(15)和远端(20)的可扩张支架(10)。 管状壁(25)设置在近端和远端之间,并具有纵向轴线。 所述管状壁具有由多个相交构件(30)限定的多孔表面,所述多个相交构件被布置成限定由具有一对侧壁(35,40)并基本平行于所述纵向轴线的多边形构成的第一废弃图案,凹形 (50)具有第一顶点(54)的第一壁以及具有第二顶点(64)的凸形(60)第二壁。 第一壁和第二壁连接侧壁,第一顶点和第二顶点中的至少一个基本上是平坦的。 第一个顶点和第二个顶点的长度不同。 当在支架上施加径向向外的力时,支架可从第一收缩位置扩张至第二扩张位置。
    • 3. 发明公开
    • STENT
    • 支架术
    • EP2403441A1
    • 2012-01-11
    • EP10738191.5
    • 2010-02-09
    • Evysio Medical Devices ULC
    • TIPPETT, Jonathan, G.WAN, MartinaMcDOUGALL, Ian
    • A61F2/90A61L31/02A61L31/14
    • A61F2/915A61F2/82A61F2/91A61F2002/91558A61F2002/91575A61F2220/0075
    • A stent comprises a plurality of undulating circumferential portions, each circumferential portion comprising alternating peaks and valleys; and a plurality of longitudinally extending portions connecting the plurality of undulating circumferential portions. Each of the plurality of longitudinally extending portions contains a first longitudinally extending strut and a second longitudinally extending strut circumferentially offset with respect to the first longitudinally extending strut. The first longitudinally extending strut and the second longitudinally extending strut are interconnected by a connecting portion. Circumferentially adjacent first longitudinally extending struts in a pair of circumferentially adjacent longitudinally extending portions are circumferentially spaced at a first distance and circumferentially adjacent second longitudinally extending struts in the pair of circumferentially adjacent longitudinally extending portions are circumferentially spaced at a second distance. The first distance is greater than the second distance. The present stent has a very desirable balance of conformability and flexibility while obviating or mitigating crashing, out of tubular configuration and other problems (as discussed herein).
    • 支架包括多个波状周向部分,每个周向部分包括交替的峰和谷; 以及多个纵向延伸部分,连接所述多个波状周向部分。 多个纵向延伸部分中的每一个包含第一纵向延伸支柱和第二纵向延伸支柱,该第二纵向延伸支柱相对于第一纵向延伸支柱周向偏移。 第一纵向延伸支柱和第二纵向延伸支柱通过连接部分相互连接。 在一对周向相邻的纵向延伸部分中的周向相邻的第一纵向延伸支柱在第一距离处周向间隔开,并且沿周向相邻的第二纵向延伸支柱中的所述一对周向相邻纵向延伸部分周向间隔开第二距离。 第一距离大于第二距离。 本发明的支架具有非常理想的顺应性和柔韧性的平衡,同时避免或减轻了碰撞,从管状结构中排除了其他问题(如本文所讨论的)。
    • 10. 发明公开
    • Expandable stent
    • 扩张式支架
    • EP1407725A2
    • 2004-04-14
    • EP03078867.3
    • 1998-07-08
    • Evysio Medical Devices Ulc
    • Penn, Ian M.Ricci, Donald R.Shukov, George A.
    • A61F2/06
    • A61F2/91A61F2/915A61F2002/91525A61F2002/91533A61F2002/91575A61F2220/0058A61F2230/0013
    • An expandable stent comprising a proximal end and a distal end in communication with one another, a tubular wall disposed between the proximal end and the distal end, the tubular wall having a longitudinal axis and a porous surface defined by a plurality of interconnected struts, the interconnected struts comprising a gradient of strut thickness from a first end to a second end of the tubular wall, the stent being expandable from a first, contracted position to a second, expanded position upon the application of a radially outward force on the stent. The stent is ideally suited for applications in which a tortuous pathway must be followed to the stenosis or blockage and in which high radial rigidity of the expanded stent is required - e.g., the treatment of ostial stenosis.
    • 一种可扩张支架,包括彼此连通的近端和远端,设置在近端和远端之间的管状壁,管状壁具有纵向轴线和由多个互连支柱限定的多孔表面,所述 互连支柱,其包括从管状壁的第一端到第二端的支柱厚度梯度,当支架上施加径向向外的力时,支架可从第一收缩位置扩张到第二扩张位置。 该支架理想地适用于其中必须遵循狭窄或阻塞的曲折路径并且需要扩张支架的高径向刚度 - 例如治疗开口狭窄的应用。