The invention relates to a medical device, such as a stent or a balloon catheter that includes an expandable body portion which has an exterior surface that contacts a vessel wall during treatment. The medical device includes a first coating disposed over at least a portion of the exterior surface. The...http://www.google.es/patents/US6656156?utm_source=gb-gplus-sharePatente US6656156 - Dual surface protection coating for drug delivery balloon catheters and stents
Dual surface protection coating for drug delivery balloon catheters and stents
