A stent delivery system for medical treatment of a patient includes a balloon catheter, a stent, a sheath, and a flexible tapered introducer tip. The balloon catheter has a hub, shaft, and inflatable balloon, as well as a tubular stent mounted about the deflated balloon and crimped to an initial diameter....http://www.google.de/patents/US6379365?utm_source=gb-gplus-sharePatent US6379365 - Stent delivery catheter system having grooved shaft
