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    • 1. 再颁专利
    • Flexible stent having a pattern formed from biocompatible material
    • 柔性支架具有由一片材料形成的图案
    • USRE42244E1
    • 2011-03-22
    • US10875088
    • 2004-06-23
    • Scott E. BoatmanKimberly D. Roberts
    • Scott E. BoatmanKimberly D. Roberts
    • A61F2/06
    • A61F2/885A61F2/92A61F2/958A61F2240/001A61F2250/0098
    • A flexible stent having a waveform pattern formed from a sheet of biocompatible material and into a tubular shape for maintaining the patency of a lumen such as in a coronary vessel. The waveform pattern of the stent is formed from a flat sheet of malleable, biocompatible material by, for example, photochemically etching the sheet biocompatible material and leaving a framework or plurality of closed cells. The waveform pattern is formed into a tubular shape around a deflated, delivery catheter balloon with segments of the closed cells being interposed only overlapping a reinforcing member extending longitudinally along the stent. The stent material is treated to reduce the coefficient of friction of the material and to aid in the radial expansion of the stent with the balloon. Radiopaque markers are positioned at the ends of the stent to aid the physician in positioning the stent at an occlusion site.
    • 一种柔性支架,其具有由生物相容性材料片形成的波形图案,并且形成为用于维持诸如冠状血管内腔的通畅的管状形状。 支架的波形图案由平板的可延展的生物相容性材料形成,例如通过光化学蚀刻片材并留下框架或多个闭孔。 波形图案在放气的输送导管球囊周围形成为管状,其中闭合细胞的片段仅插入沿着支架纵向延伸的加强构件。 处理支架材料以降低材料的摩擦系数,并有助于支架与气囊的径向膨胀。 不透射线标记位于支架的端部,以帮助医师将支架定位在闭塞位置。
    • 2. 发明授权
    • Stent deployment device
    • 支架部署装置
    • US09358141B2
    • 2016-06-07
    • US11547020
    • 2005-03-22
    • Scott E. BoatmanMichael C. HoffaKimberly D. RobertsDarin G. Schaeffer
    • Scott E. BoatmanMichael C. HoffaKimberly D. RobertsDarin G. Schaeffer
    • A61F2/958A61F2/82
    • A61F2/958A61F2002/821
    • A stent deployment device (110) is provided for deploying a stent in a lumen of a patient. The device can include a catheter (112), a first balloon (122) positioned near a distal end of the catheter and a second balloon (123) adjacent to the first balloon. Alternatively, the second balloon can be positioned over the first balloon. The device also includes an expandable stent (210) positioned over the first balloon and the second balloon. The first balloon comprises a semi-compliant material, a noncompliant material or a compliant material. Similarly, the second balloon comprises a semi-compliant material, a noncompliant material or a compliant material. The first balloon is expandable to a first diameter, while the second balloon can be expandable to a second diameter.
    • 提供支架展开装置(110)用于将支架展开在患者的内腔中。 该装置可以包括导管(112),定位在导管的远端附近的第一球囊(122)和邻近第一球囊的第二球囊(123)。 或者,第二气球可以位于第一气球上方。 该装置还包括位于第一球囊和第二球囊之上的可扩张支架(210)。 第一气囊包括半柔顺材料,不符合材料或柔顺材料。 类似地,第二气囊包括半柔顺材料,不合格材料或顺应性材料。 第一气囊可扩张至第一直径,而第二球囊可扩张至第二直径。