1. An intravascular stent having a medicament containing portion which disintegrates following implantation within a blood vessel and wherein the disintegration of said medicament containing portion is operable for the contemporaneous release of medicament from said medicament containing portion of said stent and wherein the medicament is a smooth muscle cell proliferation inhibitor which is substantially completely released from said medicament containing portion within 15 days following implantation of said stent within the blood vessel.