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    • 8. 发明申请
    • ENDOPROSTHESIS HAVING FOOT EXTENSIONS
    • 具有足迹延伸的内吞
    • WO2003094798A1
    • 2003-11-20
    • PCT/US2003/014167
    • 2003-05-06
    • ABBOTT LABORATORIESLOWE, David, L.ELI, ErikPAPPAS, Jeff, M.HUANG, Howard, H.CLIFFORD, Anton, G.KANG, Kevin
    • LOWE, David, L.ELI, ErikPAPPAS, Jeff, M.HUANG, Howard, H.CLIFFORD, Anton, G.KANG, Kevin
    • A61F2/06
    • A61F2/91A61F2/915A61F2002/91508A61F2002/91516A61F2002/91525A61F2002/91533A61F2002/91558A61F2210/0076A61F2230/0043A61F2230/0054
    • Endoprosthesis, such as a stent, includes at least one annular element defined by a first set of strut members interconnected to define apices proximate opposite sides of the annular element (20). The annular element (20) further includes a foot extension (40) extending between at least one pair of circumferentially-adjacent strut members (20). The foot extension has first (41) and second (43) foot portions extending circumferentially from corresponding ends of the circumferentially-adjacent strut members, and are contoured to provide at least two areas of flexure. The first and second foot portions are joined at a toe portion (48) of the foot extension, and define a circumferentially-directed apex between the pair of circumferentially-adjacent strut members. Preferably, at least one or more additional annular elements, each defined by interconnected strut members, are provided. The annular elements are generally expandable between a delivery configuration and a deployed configuration. The annular elements are longitudinally aligned and connected at connection locations. Preferably, each connection location includes a foot extension, such as by an overlapping pattern between the longitudinally-adjacent annular elements or by a connector extending therebetween.
    • 内置假体,例如支架,包括至少一个环形元件,所述至少一个环形元件由第一组支柱构件限定,互相连接以限定靠近环形元件(20)的相对侧的顶点。 环形元件(20)还包括在至少一对周向相邻的支柱构件(20)之间延伸的脚部延伸部(40)。 脚部延伸部具有从周向相邻的支柱构件的对应端部周向延伸的第一(41)和第二(43)脚部,并且具有轮廓以提供至少两个挠曲区域。 第一和第二脚部在脚部延伸部的脚趾部分(48)处连接,并且在所述一对周向相邻的支柱构件之间限定圆周方向的顶点。 优选地,提供至少一个或多个另外的环形元件,每个环形元件由互连的支柱构件限定。 环形元件通常在输送配置和展开配置之间可扩展。 环形元件在连接位置处纵向对齐并连接。 优选地,每个连接位置包括脚部延伸部,例如通过在纵向相邻的环形元件之间的重叠图案,或者通过在其间延伸的连接器。
    • 9. 发明申请
    • ENDOPROSTHESIS FOR CONTROLLED CONTRACTION AND EXPANSION
    • 控制的承包和扩张的内生性
    • WO2003092549A2
    • 2003-11-13
    • PCT/US2003/014247
    • 2003-05-06
    • ABBOTT LABORATORIESPAPPAS, Jeff, M.CLIFFORD, Anton, G.CRYER, Brett, W.
    • PAPPAS, Jeff, M.CLIFFORD, Anton, G.CRYER, Brett, W.
    • A61F2/06
    • A61F2/91A61F2/915A61F2002/91508A61F2002/91533A61F2002/9155A61F2002/91558A61F2002/91566A61F2210/0076A61F2220/0075
    • An endoprosthesis that has a plurality of annular elements, each connected to an adjacent annular element at at least one connection location. Each annular element includes an interconnected series of struts, selected strut members of which are each connected to adjacent strut members at a longitudinal apex. The selected strut members extend to a strut end portion at a location on the longitudinally opposite site of the annular element from the apex. At least one of the strut members includes a first end portion at a first end of the strut member, which is located at the strut end portion, an intermediate portion hingedly connected to the first end portion, and a second end portion hingedly connected to the intermediate portion and extending to the apex. The endoprosthesis has a delivery diameter when in a delivery condition and a deployed diameter when in a deployed condition. Some of the strut members can have a nesting feature that is configured for nestingly receiving another strut member when the endoprosthesis is in the delivery condition. A scaffolding body of the endoprosthesis can have an inner and outer component, each having a set of interconnected strut members. The interconnected strut members of one component overlap those of the other to define a cooperating cell pattern. Also, the body of the endoprosthesis can be configured to naturally tend to contract when the body is smaller than a predetermined diameter and naturally tend to expand when the body is larger than a predetermined diameter.
    • 具有多个环形元件的内置假体,每个环形元件在至少一个连接位置处连接到相邻的环形元件。 每个环形元件包括互连的一系列支柱,其选定的支柱构件在纵向顶点处各自连接到相邻的支柱构件。 所选择的支柱构件在距顶点的环形元件的纵向相对位置处的位置处延伸到支柱端部。 支柱构件中的至少一个包括位于支柱端部的支柱构件的第一端处的第一端部,与第一端部铰接地连接的中间部分,以及铰接地连接到第二端部的第二端部 中间部分并延伸到顶点。 当处于部署状态时,内置假体具有在输送状态下的输送直径和展开的直径。 一些支柱构件可以具有嵌套特征,其被配置为当内置假体处于输送状态时嵌套地接收另一个支柱构件。 内置假体的脚手架体可以具有内部和外部部件,每个部件具有一组互连的支柱部件。 一个部件的相互连接的支柱部件与另一个部件的相互连接的支柱部件重叠,以限定协作的电池图案。 此外,内置假体的身体可以构造成当身体小于预定直径时自然倾向收缩,并且当身体大于预定直径时自然倾向于膨胀。