| abstract |
prosthesisnto implant into a lumen of the human body to keep the lumen open,npreferably vascular prosthesisnto keep a blood vessel (stent) open,nthe stent being an elongated,nhas an essentially hollow cylindrical shape with a side wall,nwhich is provided with a plurality of openings or openings and thenStent in the lumen from a first smaller diameter to onensecond larger diameternis expandable by lying on the wall of the lumen andnsupports themnand keep the lumen open,nthe side wall of the stent (15) having a rough surface (P)nhas, characterized in that the surface of thenStents (10) with a hard, brittle, ceramic-like materialn(40) made of iridium oxide or titanium nitride with a layer thickness betweenn0.05 and 5 microns is coated. |