POLYMER COATINGS ON MEDICAL DEVICES

摘要

A medical device, for example a stent, has a surface which in use contacts body tissue, wherein said surface has on it a biocompatible coating layer comprising a polymer having covalently bound allyl-terminated pendent groups, said pendent groups comprising a moiety selected from -0-CH₂-CH=CH₂ -S-CH₂-CH=CH₂ -S (=0) -CH₂-CH=CH₂ -Se-CH₂-CH=CH₂ and -Se (=0 J-CH₂-CH=CH₂. This surface has good biocompatibility and can bind strongly to a metallic surface. The polymer may be made from an electropolymerisable monomer, e.g. a pyrrole.