According to an aspect of the invention, medical devices are provided, which include a nanoparticle-derived inorganic layer disposed over a least a portion of structure that includes a substrate, and optionally, a therapeutic-agent-containing layer disposed over at least a portion of the substrate. In...http://www.google.com.au/patents/US20090123521?utm_source=gb-gplus-sharePatent US20090123521 - Medical devices having coatings for controlled therapeutic agent delivery
