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    • 9. 发明授权
    • Endovascular stent with radiopaque spine
    • 血管内支架与不透射线的脊柱
    • US06585757B1
    • 2003-07-01
    • US09396543
    • 1999-09-15
    • Joseph R. Callol
    • Joseph R. Callol
    • A61F206
    • A61F2/90A61F2/91A61F2/915A61F2002/825A61F2002/91533A61F2002/91575A61F2230/0013A61F2250/0098
    • A stent is formed from a series of radially aligned expandable rings. The rings are formed of a radio-transparent material that are linked by a radiopaque spine. A thin but very bright fluoroscopic image is thereby created, without compromising the strength of the stent. The small cross-section of the illuminated spine also serves to minimize interference with the image of the lesion when the stent is being positioned thereover. In the event galvanic corrosion causes the radiopaque spine to become detached from the radio-transparent ring elements, their expanded state precludes their shifting within the lumen. While the sandwiched position of the spine against the lumen wall prevents it from shifting as well.
    • 支架由一系列径向对准的可扩张环形成。 环由无线电透明材料形成,其通过不透射线的脊柱连接。 由此产生薄但非常明亮的透视图像,而不损害支架的强度。 当支架被放置在其上时,照明脊柱的小横截面还用于最小化对病变图像的干扰。 在电弧腐蚀的情况下,不透射线的脊柱从无线电透明环形元件脱离,它们的膨胀状态阻止它们在管腔内移动。 虽然脊柱相对于管腔壁的夹持位置也防止其移动。