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    • 9. 发明授权
    • Apparatus and methods for loading a drug eluting medical device
    • 用于装载药物洗脱医疗装置的装置和方法
    • US08632846B2
    • 2014-01-21
    • US12884578
    • 2010-09-17
    • Salvador AvelarJames Mitchell
    • Salvador AvelarJames Mitchell
    • A61F2/06B65B1/04B05D3/10B05D7/22
    • A61L31/16A61F2/86A61F2240/001A61F2250/0068A61L31/14A61L2300/416A61L2300/802
    • Methods and apparatus are disclosed for loading a therapeutic substance or drug within a lumenal space of a hollow wire having a plurality of side openings along a length thereof that forms a hollow drug-eluting stent with a plurality of side drug delivery openings. Loading a drug within the lumenal space of the hollow stent includes a drug filling step, in which the drug is mixed with a solvent or dispersion medium. The lumenal space may be filled with the drug solution or suspension in a reverse fill process and/or a forward fill process. After the drug filling step, a solvent or dispersion medium extracting step is performed to extract the solvent or dispersion medium from within the lumenal space such that only the drug remains within the hollow stent. A stent cleaning step may be performed to an exterior surface of the hollow stent.
    • 公开的方法和装置用于将治疗物质或药物装载在具有沿其长度的多个侧开口的中空丝的内腔空间内,所述多个侧开口形成具有多个侧药物输送开口的中空药物洗脱支架。 在中空支架的内腔空间内装载药物包括药物填充步骤,其中药物与溶剂或分散介质混合。 可以在反向填充过程和/或正向填充过程中用药物溶液或悬浮液填充管腔空间。 在药物填充步骤之后,进行溶剂或分散介质提取步骤,以从内腔空间中提取溶剂或分散介质,使得只有药物保留在中空支架内。 可以对中空支架的外表面执行支架清洁步骤。