The invention relates to coated stents and the method of making them. A stent that is substantially radiolucent is at least partially coated with a radiopaque layer that makes the stent visible under X-ray or fluoroscopy. A protective layer is coated on the stent and the radiopaque layer to protect both...http://www.google.fr/patents/US6174329?utm_source=gb-gplus-shareBrevet US6174329 - Protective coating for a stent with intermediate radiopaque coating
Protective coating for a stent with intermediate radiopaque coating
