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    • 42. 发明申请
    • MEDICAL DEVICE
    • 医疗装置
    • US20140039606A1
    • 2014-02-06
    • US13959617
    • 2013-08-05
    • MERLIN MD PTE LTD.
    • Leon RUDAKOVMichael O'CONNORDeepak GANDHI
    • A61B17/12
    • A61F2/07A61B17/12118A61F2/90A61F2/91A61F2/915A61F2002/065A61F2002/075A61F2002/077A61F2002/823A61F2002/91541A61F2002/91566A61F2002/91575A61F2002/91583A61F2210/0076A61F2220/0008A61F2220/0016
    • A method for treating a bifurcation or trifurcation aneurysm (201) occurring on a first artery, the first artery and a second artery joining to a third artery, the method comprising: inserting a medical device (202) such that it is at least partially located in the first artery and is at least partially located in the third artery; expanding the medical device (202) from a first position to a second position, said medical device (202) is expanded radially outwardly to the second position such that the exterior surface of said medical device (202) engages with the inner surface of the first and third arteries so as to maintain a fluid pathway through said arteries; and positioning the medical device (202) such that a membrane (203) of the medical device (202) is located against an aneurysm neck of the aneurysm (201) to obstruct blood circulation to the aneurysm (201) when the medical device (202) is expanded to the second position, and at least a portion of the membrane (203) is secured to the medical device (202) to maintain the position of the membrane (203) relative to the medical device (202) when expanded to the second position; wherein the membrane (203) is permeable and porous, the size of the pores of the membrane (203) and the ratio of the material surface area of the membrane (203) being such that blood supply to perforators and/or microscopic branches of main brain arteries is permitted to improve healing of the first artery but blood supply to the aneurysm (201) is prevented.
    • 一种用于治疗在第一动脉上发生的分叉或三叉神经动脉瘤(201)的方法,所述第一动脉和连接到第三动脉的第二动脉,所述方法包括:插入医疗装置(202),使得其至少部分位于 在第一动脉中并且至少部分地位于第三动脉中; 将医疗装置(202)从第一位置扩展到第二位置,所述医疗装置(202)径向向外扩展到第二位置,使得所述医疗装置(202)的外表面与第一 和第三动脉,以便保持通过所述动脉的流体通道; 以及医疗装置(202)的定位,使得医疗装置(202)的膜(203)抵靠动脉瘤(201)的动脉瘤颈部定位,以在医疗装置(202)处阻止血液循环至动脉瘤 )扩张到第二位置,并且膜(203)的至少一部分固定到医疗装置(202),以在将膜(203)扩大到第二位置时保持膜(203)相对于医疗装置(202)的位置 第二位 其中所述膜(203)是可渗透和多孔的,所述膜(203)的孔的尺寸和所述膜(203)的材料表面积的比率使得向主要的穿孔器和/或微观分支提供血液供应 允许脑动脉改善第一动脉的愈合,但是防止了对动脉瘤(201)的供血。