CONTROL REALEASE DRUG COATING FOR MEDICAL DEVICES

摘要

A medical device having multiple layers of a drug-loaded coating. At least one of the layers is more hydrophilic than at least another one of the layers. Also provided is a method for controlling the drug release profile from a coated medical device using multiple layers of modified and/or unmodified copolymers and varying the ratio of modified to unmodified copolymers.