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    • 3. 发明申请
    • IMPLANTABLE INTRALUMINAL DEVICE AND METHOD OF USING SAME IN TREATING ANEURYSMS
    • 可植入的内窥镜装置及其在治疗神经系统中的使用方法
    • WO03043527A2
    • 2003-05-30
    • PCT/IL0200886
    • 2002-11-06
    • MINDGUARD LTDYODFAT OFERLIEBER BARUCHGRAD YGAELNISHRI BOAZ
    • YODFAT OFERLIEBER BARUCHGRAD YGAELNISHRI BOAZ
    • A61F2/06A61F2/82A61F2/90A61F
    • A61F2/90A61F2/07A61F2/82A61F2002/065A61F2002/068A61F2002/821A61F2002/823A61F2250/0023Y10S623/909
    • An intraluminal device implantable in a blood vessel having an aneurysm therein in the vicinity of a perforating vessel and/or of a bifurcation leading to a branch vessel. The intraluminal device includes a mesh-like tube of bio-compatible material having an expanded condition in which the tube diameter is slightly larger than the diameter of the blood vessel in which it is to be implanted, and the tube length is sufficient to straddle the aneurysm and to be anchored to the blood vessel on the opposite sides of the aneurysm. The mesh-like tube also has a contracted condition wherein it is sufficiently flexible so as to be easily manipulatable through the blood vessel to straddle the aneurysm. In its expanded condition, the mesh-like tube has a porosity index of 55% - 80% such as to reduce the flow of blood through its wall to the aneurysm sufficiently to decrease the possibility of rupture of the aneurysm but not to unduly reduce the blood flow to a perforating or branch vessel to the degree likely to cause significant damage to tissues supplied with blood by such perforating or branch vessel.
    • 可在植入血管的血管内的管腔内装置,其中具有穿孔容器附近的动脉瘤和/或通向分支血管的分叉。 管腔内装置包括具有膨胀状态的生物相容性材料的网状管,其中管直径略大于待植入的血管的直径,并且管长度足以跨越 动脉瘤,并被锚定到动脉瘤相对侧的血管。 网状管还具有收缩状态,其中其具有足够的柔性,以便通过血管易于操纵以跨越动脉瘤。 在其膨胀状态下,网状管具有55%-80%的孔隙率指数,以减少血液通过其壁到动脉瘤的流动,足以降低动脉瘤破裂的可能性,但不会不适当地减少 血液流动到穿孔或分支血管,其程度可能会对由这种穿孔或分支血管供血的组织造成严重损害。