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    • 10. 发明申请
    • STENT WITH INTERMITTENT COATING
    • 带间歇涂层的支架
    • WO2004037443B1
    • 2004-06-17
    • PCT/US0332441
    • 2003-10-14
    • MEDTRONIC VASCULAR INCBRISTER MARK
    • BRISTER MARK
    • A61F2/00A61F2/86A61L31/10A61L31/16B05D1/00A61F2/06A61L27/14
    • A61F2/86A61F2/91A61F2/915A61F2002/91541A61F2250/0035A61F2250/0067A61L31/10A61L31/16A61L2300/00
    • The stent with an intermittent coating of the present invention provides a coating having a plurality of discrete coating sections disposed on a stent, i.e., an intermittent coating. The individual coating sections can contain different drugs or therapeutic agents, can be made of different polymers, can be made with different solvents, or combinations thereof. The coating sections can be applied in patterns such as ring patterns, striped patterns, spotted patterns, or dot matrix patterns. In one embodiment, the regions can be large relative to the stent, such as a ring pattern including one therapeutic agent in the radial regions at the ends of a stent and a different therapeutic agent in the radial region in the middle. In another embodiment, the regions can be small relative to the stent, such as a dot matrix pattern with each grid region being a small point.
    • 本发明的具有间歇涂层的支架提供了涂层,该涂层具有设置在支架上的多个离散涂层部分,即间歇涂层。 各个涂层部分可以含有不同的药物或治疗剂,可以由不同的聚合物制成,可以用不同的溶剂或其组合制成。 涂布部分可以以诸如环形图案,条纹图案,斑点图案或点阵图案的图案应用。 在一个实施方案中,相对于支架,这些区域可以较大,例如在支架末端的径向区域中包括一种治疗剂的环形图案,以及在中间的径向区域中的不同治疗剂。 在另一个实施例中,该区域可以相对于支架较小,例如点阵模式,其中每个网格区域都是小点。