A stent includes a main body of a generally tubular shape for insertion into a lumen of a vessel of a living being. The tubular main body includes a substantially biodegradable matrix having collagen IV and laminin that enclose voids within the matrix. The tubular main body also includes a biodegradable...http://www.google.fr/patents/US7806925?utm_source=gb-gplus-shareBrevet US7806925 - Biodegradable drug delivery vascular stent
