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    • 1. 发明申请
    • STENT GRAFT WITH IMPROVED PROXIMAL END
    • 具有改进的临时结束的STENT GRAFT
    • WO2004017866A1
    • 2004-03-04
    • PCT/US2003/026042
    • 2003-08-20
    • COOK INCORPORATEDWILLIAM A. COOK AUSTRALIA PTY. LTD.WILLIAM COOK EUROPE ApS
    • COOK, William, A.OSBORNE, Thomas, A.ANDERSON, Sarah, E.HARTLEY, David, Ernest
    • A61F2/06
    • A61F2/07A61F2/848A61F2/89A61F2002/065A61F2002/075A61F2002/8483A61F2002/8486A61F2230/005A61F2230/0054A61F2230/0067
    • Disclosed is a stent graft prosthesis (10) comprising a graft portion (11) that includes a main body portion (12) and an cuff portion (15), the cuff portion generally located at or near the proximal end (13) of the main body portion and extending circumferentially therealong. Stents comprising the graft suppporting structure (40) are also attached to graft portion about the proximal end. In one embodiment, the cuff portion comprises material (38) that is folded over the outside surface (39) of the main body portion with an anchoring stent (18) being attached over the cuff and main body portions, extending proximally therefrom. In another series of embodiments, the cuff portion comprises an external sealing zone (21) that extends around the outer main body portion to help prevent leakage of fluids. In one example, the material of the second edge of the cuff portion comprises a frayed portion (22) to better engage the vessel walls and promote thrombus and/or tissue growth.
    • 公开了一种包括移植部分(11)的支架移植物假体(10),其包括主体部分(12)和袖带部分(15),所述袖带部分大致位于主体部分(13)的近端(13)处或附近 主体部分并沿其周向延伸。 包括移植物支撑结构(40)的支架也在近端附接到移植部分。 在一个实施例中,袖带部分包括折叠在主体部分的外表面(39)上的材料(38),其中锚定支架(18)附接在袖带和主体部分上,从其向近侧延伸。 在另一系列实施例中,袖带部分包括围绕外主体部分延伸的外部密封区域(21),以帮助防止流体泄漏。 在一个示例中,袖带部分的第二边缘的材料包括磨损部分(22),以更好地接合血管壁并促进血栓和/或组织生长。
    • 3. 发明申请
    • FLEXIBLE BARB FOR ANCHORING A PROSTHESIS
    • 灵活的BARB用于锚定预测
    • WO2003096935A1
    • 2003-11-27
    • PCT/US2003/014285
    • 2003-05-08
    • COOK INCORPORATED
    • COOK, William, A.DEBRUYNE, Michael, P.NICKLESS, BenjaminOSBORNE, Thomas, A.
    • A61F2/06
    • A61F2/82A61F2002/8483
    • A barbed medical prosthesis (10) is disclosed in which the barb (11) includes a basal portion (13) comprising a point of union (19) with the substrate of origin (15) (such as a strut), an anchoring portion (12) adapted to embed into tissue, and a stress-dispersing portion (14) located between the basal and anchoring portions. In one embodiment the stress-dispersing portion comprises a helical coil (38) having a free winding (20) that is unattached to the strut from which the barb extends. In another embodiment, the stress-dispersing portion comprises a series of bends or curves (24) formed in the barb proximate to the point of union with the strut. The barb can be mechanically attached and/or soldered to the prosthesis, or integrally formed therefrom. A second barb portion (37) and stress-dispersing portion, may also extend from the basal portion.
    • 公开了一种倒钩医疗假体(10),其中倒钩(11)包括基部(13),该基部包括与原点基底(15)(例如支柱)的联合点(19),锚固部分 12)适于嵌入组织中,以及应力分散部分(14),位于基部和锚定部分之间。 在一个实施例中,应力分散部分包括具有自由绕组(20)的螺旋线圈(38),所述自由绕组(20)不与所述倒钩延伸的支柱相连。 在另一个实施例中,应力分散部分包括形成在倒钩中的一系列弯曲或曲线(24),所述弯曲部分或曲线(24)靠近与支柱结合的点。 倒钩可以机械地附接和/或焊接到假体上,或者由其一体形成。 第二倒钩部分(37)和应力分散部分也可以从基部延伸。