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    • 6. 发明授权
    • Method of stent delivery through an elongate softenable sheath
    • 通过细长可软化护套的支架输送方法
    • US5453090A
    • 1995-09-26
    • US203805
    • 1994-03-01
    • Susana MartinezMargaret F. Yoklavich
    • Susana MartinezMargaret F. Yoklavich
    • A61F2/06A61F2/84A61M31/00
    • A61F2/958
    • The stent delivery method and apparatus uses an elongate sheath having a rounded or tapered distal end portion which has a central opening and which is constructed in a manner that permits the distal end portion to expand easily. The method comprises the steps of: placing a stent on a balloon catheter or a balloon on a balloon guidewire thereby forming a stent on a balloon assembly; placing the stent on a balloon assembly in the elongate sheath having an elongate axis; pushing the sheath and stent on a balloon assembly to a desired site in the lumen of a vessel; positioning the stent on a balloon assembly at the desired site; withdrawing the sheath from the stent on a balloon assembly causing the distal end portion of the sheath to expand to pass over the stent and leaving the stent and balloon at the desired site in the lumen; expanding the balloon and stent to expand the stent to a desired diameter; collapsing the balloon; and, removing the balloon and the sheath from the lumen. The central opening permits a guidewire tip to extend therethrough.
    • 支架输送方法和装置使用具有圆形或锥形的远端部分的细长护套,其具有中心开口并且以允许远端部分容易膨胀的方式构造。 该方法包括以下步骤:将支架放置在球囊导管或球囊导丝上的球囊上,从而在球囊组件上形成支架; 将支架放置在具有细长轴线的细长护套中的气囊组件上; 将护套和支架在球囊组件上推动到血管内腔中的所需位置; 将支架定位在所需位置的球囊组件上; 在球囊组件上将支架从支架上取出,使得护套的远端部分膨胀以越过支架并将支架和球囊留在管腔中的所需位置; 使气囊和支架膨胀以将支架扩张至期望的直径; 塌缩气球 并且从管腔移除气球和护套。 中心开口允许导丝尖端延伸穿过其中。
    • 7. 发明授权
    • Stent delivery method and apparatus
    • 支架输送方法和装置
    • US5593412A
    • 1997-01-14
    • US432886
    • 1995-05-02
    • Susana MartinezMargaret F. Yoklavich
    • Susana MartinezMargaret F. Yoklavich
    • A61F2/06A61F2/84A61F11/00
    • A61F2/958
    • The stent delivery method and apparatus uses an elongate sheath having a rounded or tapered distal end portion which has a central opening and which is constructed in a manner that permits the distal end portion to expand easily. The method comprises the steps of: placing a stent on a balloon catheter or a balloon on a balloon guidewire thereby forming a stent on a balloon assembly; placing the stent on a balloon assembly in the elongate sheath having an elongate axis; pushing the sheath and stent on a balloon assembly to a desired site in the lumen of a vessel; positioning the stent on a balloon assembly at the desired site; withdrawing the sheath from the stent on a balloon assembly causing the distal end portion of the sheath to expand to pass over the stent and leaving the stent and balloon at the desired site in the lumen; expanding the balloon and stent to expand the stent to a desired diameter; collapsing the balloon; and, removing the balloon and the sheath from the lumen. The central opening permits a guidewire tip to extend therethrough.
    • 支架输送方法和装置使用具有圆形或锥形的远端部分的细长护套,其具有中心开口并且以允许远端部分容易膨胀的方式构造。 该方法包括以下步骤:将支架放置在球囊导管或球囊导丝上的球囊上,从而在球囊组件上形成支架; 将支架放置在具有细长轴线的细长护套中的气囊组件上; 将护套和支架在球囊组件上推动到血管内腔中的所需位置; 将支架定位在所需位置的气囊组件上; 在球囊组件上将支架从支架上取出,使得护套的远端部分膨胀以越过支架并将支架和球囊留在管腔中的所需位置; 使气囊和支架膨胀以将支架扩张至期望的直径; 塌缩气球 并且从管腔移除气球和护套。 中心开口允许导丝尖端延伸穿过其中。