Patent ID: 8282982
Filing Date: 2012-10-09
Classification: A61F,A61P,B05B,B05D,H01J

Abstract:
1. A method of coating a medical device with a drug, comprising the steps: a) disposing the medical device in a vacuum environment; b) providing at a pressure above atmospheric pressure, a solution of a drug solute dissolved in a liquid solvent; c) spraying at least one pulse of the solution onto a surface of the medical device, in the vacuum environment, to form a solution coating on at least a portion of the medical device; d) vacuum treating the solution coating after the step of spraying to remove the solvent and leave a drug coating on the medical device; and e) treating the drug coating to enhance adhesion of the drug coating to the medical device surface and/or to retard drug transfer from the drug coating under intended usage conditions.