Patent ID: 7713541

Claim:
A method for using a biocompatible polymer on a medical device, comprising: providing a medical device comprising a supporting structure; coating at least a portion of the supporting structure with a coating comprising a copolymer having the following formula, R 1 , R 2 , and R 4 are independently a hydrogen or methyl R 3 includes a zwitterion group, a linker being a chain of 2-12 carbon atoms, and an ester or amide attachment to the acryl or methacryl group; R 5 is an ethyl or methyl; R 6 is a straight chain, branched, unsaturated, or cyclic hydrocarbon of one to sixteen carbon atoms; n is a mole faction in a range from about 0.01 to about 0.75; m is a mole fraction in a range from about 0.1 to about 0.99; and o is a mole faction in a range from about 0.1 to about 0.99.