STENTS HAVING BIOABSORBABLE LAYERS

摘要

Provided herein is a device comprising: a. a stent; b. a plurality of layers on said stent framework to form said device; wherein at least one of said layers comprises a bioabsorbable polymer and at least one of said layers comprises one or more active agents; wherein at least part of the active agent is in a crystalline form or is at least 50% crystalline, wherein the device provides elution profile in vitroin which from about 5 to about 25% of an active agent is eluated in one day after the contact with the eluting medium.