The present disclosure provides medical implements having films fixed to at least a portion of their surface In embodiments, a medical implement of the present disclosure may include a substrate including a synthetic resin, a film including a methyl vinyl ether-maleic anhydride copolymer in combination with a polyether block amide fixed to at least a portion of a surface of the substrate, and a silver ion bound to the film. Methods for forming such medical implements are also provided
