Patent ID: 8067054

Claim:
A method of making a stent, the method comprising steps of: implanting at least one type of ion into a metallic stent body material in at least one surface portion of the stent body material to produce at least one porous layer at the surface portion, the at least one porous layer comprising a plurality of open pores with a first average size for at least 50 volume percent of the open pores; depositing a layer of ceramic particles on the porous layer, the ceramic particles having a second average size for at least 50 volume percent of the ceramic particles, the second average size being smaller than one tenth of the first average size; and compressing the layer of ceramic particles to form a plurality of protuberances and/or recesses on a surface of the layer of ceramic particles, wherein compressing the layer of ceramic particles comprises compressing using a solid surface having a plurality of protuberances and/ or recesses.