Patent ID: 6926965
Filing Date: 2005-08-09
Classification: A61L,G02B,Y10T

Abstract:
1. A medical device, comprising a core material and a biocompatible LbL coating non-covalently attached to said core material, wherein said biocompatible LbL coating comprises at least one charge/non-charge bilayer, wherein said charge/non-charge bilayer is composed of, in no particular order, one layer of a charged polymeric material and one layer of a non-charged polymeric material which is capable of being non-covalently bond to the charged polymeric material, wherein said charged polymeric material is a first polyanionic polymer or a mixture of two or more polyanionic polymers, and wherein said non-charged material is a homopolymer of a vinyl lactam of formula (I), a coplymer of at least one vinyl lactam of formula (I) in the presence or in the absence of one or more hydrophilic vinylic comonomers, or mixture thereof wherein R is an alkylene di-radical having from 2 to 8 carbon atoms, R R