A stent has surface sculpturing, preferably on its outer surface only, having, for example, microspheres, having the function of increasing the actual geometric surface area of the stent, of creating undercuts and roughness to encourage the application of coatings of active or activatable agents, as...http://www.google.fr/patents/US7946019?utm_source=gb-gplus-shareBrevet US7946019 - Process for producing a stent for angioplasty
