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    • 4. 发明申请
    • A STENT
    • 一个STENT
    • WO2012143731A1
    • 2012-10-26
    • PCT/GB2012/050882
    • 2012-04-20
    • ARTERIUS LIMITEDBRESSLOFF, Neil W.PANT, SanjayAL-LAMEE, Kadem Gayad
    • BRESSLOFF, Neil W.PANT, SanjayAL-LAMEE, Kadem Gayad
    • A61F2/90
    • A61F2/86A61F2/915A61F2002/91508A61F2002/91525A61F2002/91541A61F2002/91558A61F2230/0054A61F2250/0067F04C2270/041
    • A tubular stent (1) has first and second ends (2,3) and a longitudinal axis (4) therebetween. The tubular stent (1) is formed from a network of struts which defines a cylindrical surface about the longitudinal axis (4), the struts delineating a plurality of cells {23, 30, 31, 32, 33) within the network, there being rows of cells parallel to the longitudinal axis (4). At least one cell in each row is a nodal cell (23). There is an increase in the maximum length parallel to the longitudinal axis (4) of cells from the at (east one nodal cell (23) to a first distal cell (30) in the row that is closer to the first or second end (2, 3) of the tubular stent (1). There is a second distal cell (31) in the row which has a different maximum length parallel to the longitudinal axis (4) from the nodal cell (23) and the first distal cell (30). The network of struts comprises a plurality of circumferential rings (6, 6', 9, 9', 13, 13', 16, 16', 17, 17'). Each ring (6, 6', 9, 9', 13, 13', 16, 16', 17, 17') extends perpendicularly to the longitudinal axis (4) and the rings are located adjacent to each other parallel to the longitudinal axis (4) to define the cylindrical surface. The circumferential rings (6, 6', 9, 9', 13, 13', 16, 16', 17, 17') are of a wave form. Each circumferential ring (6, 6', 9, 9', 13, 13', 16, 16', 17, 17') has an amplitude parallel to the longitudinal axis (4), such that each wave form comprises a plurality of peaks (7, 10, 14, 18, 20) which extend towards the axial centre (5) of the tubular stent (1) and a plurality of troughs (8, 12, 29, 21, 36) which extend away from the axial centre (5) of the tubular stent (1).
    • 管状支架(1)在其间具有第一和第二端(2,3)和纵向轴线(4)。 管状支架(1)由支撑网构成,该网架限定围绕纵向轴线(4)的圆柱形表面,支柱描绘网络内的多个单元(23,30,31,32,33),其中 行的细胞平行于纵向轴线(4)。 每行中至少有一个单元格是节点单元(23)。 平行于从(在一个一个节点(23))到靠近第一或第二末端的行中的第一远端细胞(30)的细胞的平行于细胞的纵向轴线(4)的最大长度增加 管状支架(1)中的第二远端细胞(31)具有平行于来自节细胞(23)和第一远端细胞(4)的纵向轴线(4)的不同最大长度 (30),支柱网包括多个周向环(6,6',9,9',13,13',16,16',17,17'),每个环(6,6',9 ,9',13,13',16,16',17,17')垂直于纵向轴线(4)延伸,并且环彼此相邻地平行于纵向轴线(4)定位,以限定圆柱形表面 周向环(6,6',9,9',13,13',16,16',17,17')为波浪形状,每个周向环(6,6',9',9“ 13,13',16,16',17,17')具有平行于纵轴(4)的振幅,使得每个波形 上升多个向管状支架(1)的轴向中心(5)延伸的峰(7,10,14,18,20)和多个槽(8,12,29,21,36),其延伸 远离管状支架(1)的轴向中心(5)。
    • 8. 发明申请
    • BENDABLE STENT
    • 可弯曲的
    • WO2008119837A3
    • 2009-03-12
    • PCT/EP2008054007
    • 2008-04-03
    • ANGIOMED AGDREHER GAEEL
    • DREHER GAEEL
    • A61F2/88A61F2/91A61F2/915
    • A61F2/89A61F2/91A61F2/915A61F2002/91508A61F2002/91533A61F2002/91558A61F2230/0054
    • A stent formed by slitting a tube to create a matrix of struts, the slitted tube being radially expandable to a stenting disposition in which the struts exhibit a zig-zag pattern in successive loops around the circumference of the stent, the zig-zag pattern exhibiting a cusp between any two adjacent struts, with selected tied cusps of any one loop being connected by a bridge to a facing cusp of the adjacent loop and with intervening free cusps, characterised by lengthwise staggering of circumferentially adjacent said slits within said loops, wherein any two struts that are contiguous with a said tied cusp are of different lengths and any strut that extends from one free cusp to another free cusp has the same length as any other such strut such that, in the said stenting disposition, the free cusps of adjacent loops are circumferentially displaced from each other.
    • 通过切割管以形成支柱矩阵形成的支架,所述狭缝管径向可扩张至支架配置,其中所述支柱围绕所述支架圆周的连续回路呈现Z字形图案,所述锯齿形图案呈现 任何两个相邻支柱之间的尖点,其中任何一个环的选定的连接尖端通过桥连接到相邻环的面向尖端并具有中间自由尖端,其特征在于在所述环内沿周向相邻的所述狭缝纵向交错,其中任何 与所述连接的尖部邻接的两个支柱具有不同的长度,并且从一个自由尖端延伸到另一个自由尖端的任何支柱具有与任何其它这样的支柱相同的长度,使得在所述支架设置中,相邻的自由尖端的自由尖 环彼此周向地位移。