Die Erfindung betrifft Stents und Katheterballons mit optimierten Beschichtungen zur Freisetzung von Rapamycin sowie Verfahren zur Herstellung dieser Beschichtungen.Stent coated with a polysulfone comprises rapamycin and a polymer swellable in methanol, where the weight portion of the polymer related to the total coating is 0.1-50 wt.%. An independent claim is included for a catheter balloon coated with a combination of rapamycin and a vasodilator or of rapamycin and a contrast agent or rapamycin and a vasodilator and a contrast agent. ACTIVITY : Vasotropic. MECHANISM OF ACTION : None give.