Patent ID: 7387810

Claim:
A method for fabricating a coating on an implantable medical device, the method comprising: (a) forming a polymer layer on the device; (b) applying on the polymer layer a precursor of an interpenetrating polymer network; and (c) subjecting the device to a treatment to cause the precursor to form the interpenetrating polymer network on the device, wherein the precursor is selected from the group consisting of poly(ethylene glycol)-acrylate, poly(ethylene glycol)-diacrylate, N-vinylpyrrolidone, derivatives of heparin, hyaluronic acid, derivatives of hyaluronic acid, poly(butyleneterephthalate-co ethylene glycol) (PBT-PEG), and mixtures thereof, and wherein the derivative of heparin comprise heparin containing photoactivatable group(s), or heparin containing albumin-binding moiety(ies).