A drug-delivering medical device for treating a medical condition associated with a body lumen is provided. The drug-delivering medical device includes an outer abluminal aspect having a micro-porous surface embedded with nano-carriers having an assortment of average diameters. The nano-carriers penetrate one or more layers of a wall of the body lumen. The micro-porous surface and the nano-carriers enable the device to release a drug for up to 60 days.