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    • 1. 发明申请
    • MEDICAL DEVICE AND METHOD OF MANUFACTURING SAME
    • 医疗装置及其制造方法
    • WO2011019545A1
    • 2011-02-17
    • PCT/US2010/044242
    • 2010-08-03
    • WILLIAM COOK EUROPE APSCOOK INCORPORATEDPETERSEN, Jesper, Schade
    • PETERSEN, Jesper, Schade
    • A61F2/06A61F2/82
    • A61F2/07A61F2/89A61F2002/075A61F2002/8483A61F2220/0075
    • An implantable medical device (24) includes a graft member (26), at least one stent (10) and at least one barb element (12). The stent (10) has wrapped therearound a barb element (12) formed of a length of at least one wire provided with first and second ends (14, 16) forming barb prongs. In an intermediate zone (22), the barb element (12) is wrapped or coiled. The two pronged ends (14, 16) extend out of the graft element (26) to provide an anchoring function to the medical device. As well as being wrapped onto a strut of the stent (10), the barb element (12) is sutured to the stent (10) and to the graft material (26) by suture stitching (28). The turns of the coiling or wrapping in intermediate section (22) assist in fixing the barb element (12) relative to the suture (28) and thus to the stent graft (24). The barb elements (12) could be made of any suitable material, including Nitinol.
    • 植入式医疗装置(24)包括移植件(26),至少一个支架(10)和至少一个倒钩元件(12)。 支架(10)已经包围由设置有形成倒刺的第一和第二端(14,16)的至少一根线的长度形成的倒钩元件(12)。 在中间区域(22)中,倒钩元件(12)被包裹或卷绕。 两个叉头端部(14,16)从移植物元件(26)延伸出来,以向医疗装置提供锚定功能。 除了被包裹到支架(10)的支柱之外,倒钩元件(12)通过缝合缝合(28)被缝合到支架(10)和移植物材料(26)。 卷绕或卷绕在中间部分(22)中的匝有助于相对于缝合线(28)固定倒钩元件(12),从而有助于将支架移植物(24)固定。 倒钩元件(12)可以由任何合适的材料制成,包括镍钛诺。
    • 3. 发明申请
    • IMPLANTABLE MEDICAL DEVICE
    • 可植入医疗器械
    • WO2011019546A1
    • 2011-02-17
    • PCT/US2010/044244
    • 2010-08-03
    • WILLIAM COOK EUROPE APSCOOK INCORPORATEDRASMUSSEN, ErikOEHLENSCHLAEGER, BentJENSEN, Kim, MoegelvangPETERSEN, Jesper, Schade
    • RASMUSSEN, ErikOEHLENSCHLAEGER, BentJENSEN, Kim, MoegelvangPETERSEN, Jesper, Schade
    • A61F2/06
    • A61F2/07A61F2/844A61F2/86A61F2/89A61F2/90A61F2002/075A61F2002/8483A61F2210/0014A61F2220/0058A61F2220/0075A61F2310/00023
    • A stent graft (10) includes a tubular graft element (12) to which there are attached a plurality of stent rings (14). The stent rings (14) are formed of a plurality of stent struts (16) arranged in a zig-zag arrangement with alternating peaks (18) and valleys (20). The end-most stent (22) is located at the proximal end (24) of the graft tube (12). Between adjacent peaks (18) of the end-most stent (22), there is provided a series of bridging elements (28). These are preferably formed of Nitinol wire and to be substantially more flexible than the stent struts (14). The bridging elements (28) extend in the region of graft material between adjacent stent peaks (18) and are attached to the graft material, for example by suturing. The bridging elements (28) are substantially more flexible than the stent ring (22) and therefore impart little opening force on the graft material in comparison to the force produced by the stent ring (22). However, the bridging elements (28) impart enough force on the flaps (26) of graft material between the peaks (18) of the stent ring (28) keep these flaps (26) open, that is against the vessel wall. The bridging elements (28) can provide integral barbs (30).
    • 支架移植物(10)包括管状移植物元件(12),其上附接有多个支架环(14)。 支架环(14)由布置成具有交替的峰(18)和谷(20)的之字形布置的多个支架支柱(16)形成。 最终的支架(22)位于移植管(12)的近端(24)处。 在最终支架(22)的相邻峰(18)之间,提供一系列桥接元件(28)。 这些优选由镍钛诺丝形成,并且比支架支柱(14)基本上更具柔性。 桥接元件(28)在相邻支架顶部(18)之间的移植材料区域中延伸并且例如通过缝合附接到移植物材料。 桥接元件(28)比支架环(22)大得多的柔性,因此与支架环(22)产生的力相比,在接枝材料上施加很小的打开力。 然而,桥接元件(28)在支架环(28)的峰(18)之间的移植材料的翼片(26)上赋予足够的力,使得这些翼片(26)打开,即抵靠血管壁。 桥接元件(28)可以提供整体倒钩(30)。