Stent with differential timing of abluminal and luminal...

Details Stent with differential timing of abluminal and luminal... Stent with differential timing of abluminal and luminal...

A - Human Necessities

61

L

A61L 31/10 (2006.01) A61L 31/16 (2006.01)

Patent

CA 2668765

The invention relates generally to a medical device that is useful for delivering a therapeutic agent to the body tissue of a patient, and the method for making such a medica device. More particularly, the invention is directed to a stent having a tubular sidewall wit first coating composition on at least the luminal surface and/or abluminal surface, and a second coating composition disposed on at least a portion of the first coating composition comprising a low diffusivity biodegradable polymer.

L'invention concerne de manière générale un dispositif médical qui est utile pour administrer un agent thérapeutique à un tissu du corps d'un patient, et le procédé de fabrication d'un tel dispositif médical. Plus particulièrement, l'invention concerne une endoprothèse vasculaire qui présente une paroi latérale tubulaire revêtue d'une première composition de revêtement sur au moins la surface luminale et/ou la surface abluminale, et une seconde composition de revêtement, disposée sur au moins une partie de la première composition de revêtement comprenant un polymère biodégradable à faible aptitude à la diffusion.

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