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    • 4. 发明授权
    • Stents, stenting systems, and related methods for agent delivery
    • 支架,支架系统和相关方法用于药剂输送
    • US08062348B2
    • 2011-11-22
    • US11061741
    • 2005-02-22
    • Michael S. BanikKurt Geitz
    • Michael S. BanikKurt Geitz
    • A61F2/06
    • A61F2/82A61F2250/0068A61L31/16A61L2300/00A61M2025/0057A61M2025/1013A61M2025/105A61M2025/1086
    • A stenting system for insertion into the lumen of a body duct or vessel for delivering a therapeutic agent to a treatment site on the duct or vessel. The stenting system includes an a tubular stent member having a lumen there through to allow the passage of material, an outer membrane attached to the stent at least a portion of which is porous to the therapeutic agent to allow the agent to pass to the treatment site, an inner membrane attached to the stent which is nonporous to the therapeutic agent to prevent the agent from entering the lumen of the stent, and a chamber located between the inner and outer membranes for holding the therapeutic agent. The therapeutic agent in the chamber may diffuse through the porous portion of the membrane and be deposited directly on the body site.
    • 一种用于插入身体管道或血管的腔的支架系统,用于将治疗剂递送到管道或血管上的治疗部位。 所述支架系统包括管状支架构件,所述管状支架构件具有内腔,以允许材料通过;附接至所述支架的外膜,所述支架的至少一部分对于所述治疗剂是多孔的,以允许所述药剂通过所述治疗部位 附着到支架上的内膜,其与治疗剂无关,以防止药剂进入支架的内腔,以及位于内膜和外膜之间用于保持治疗剂的腔室。 腔室中的治疗剂可以扩散通过膜的多孔部分并直接沉积在身体部位上。