| abstract |
The invention relates to a drug eluting stent and a methodnfor making the stent. The stent comprises a stent body and coatsncovering on the stent body, it is characterized in that : 2-4ncoats are provided on the surface of the stent body, wherein atnleast two coats are drug coats. The drug coats comprise 0.5-99%npolymer by weight, 0-10% additive by weight and 0.5-99% activeningredient by weight. A primer layer is provided between thendrug coats and the stent body. A compact control-releasing layernis also coated on the surface of the drug coats. |