Medical devices with drug-eluting coating

Details Medical devices with drug-eluting coating Medical devices with drug-eluting coating

A - Human Necessities

61

F

A61F 2/00 (2006.01) A61F 2/90 (2006.01) A61L 31/08 (2006.01) B23K 26/38 (2006.01)

Patent

CA 2662808

Medical devices, such as endoprostheses, and methods of making the devices are described. In one embodiment, a medical device having a body of interconnected bands and connectors forming an elongated tubular structure having an inner luminal wall surface, an outer abluminal wall surface and a side wall surface, and defining a central lumen or passageway, wherein said inner luminal wall surface and side wall surface of the bands and connectors form transverse passageways through the elongated tubular structure is described. One or more wall surfaces of the tubular structure can bear a coating whose selected regions define at least one depression. The coating can further include at least one biologically active substance.

La présente invention concerne des dispositifs médicaux, tels que des endoprothèses, et des procédés de fabrication des dispositifs. Dans un mode de réalisation, un dispositif médical présente un corps de bandes et d'éléments de liaison reliés entre eux formant une structure tubulaire allongée présentant une surface de paroi luminale interne, une surface de paroi luminale externe et une surface de paroi latérale, et définissant une lumière ou une voie de passage centrale. Lesdites surface de paroi luminale interne et surface de paroi latérale des bandes et éléments de liaison forment des passages transversaux à travers la structure tubulaire allongée. Une ou plusieurs surfaces de paroi de la structure tubulaire peuvent supporter un enrobage dont certaines régions définissent au moins un évidement. L'enrobage peut également comprendre au moins une substance biologiquement active.

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