A medical device provided with at least a partial surface coating of a thermoplastic copolymer of tetrafluoroethylene and perfluoroalkylvinylether that is free of cross-linking monomers and curing agents. The housing can have a bottom piece and a top piece including a first opening. In one implementation, each dynamic query is analyzed to determine the data items required to answer that query, along with their levels of detail. The structured fibrous web has a bio-based content of about 10% to about 100% using ASTM D6866-10, method B.