| http://www.w3.org/ns/prov#value | - Housings 44 and 46 of drug reservoir 40, housings 64 and 65 of drug reservoir 60, and housings of drug reservoirs in other embodiments can be made of a drug-compatible, corrosion-resistant material such as titanium, stainless steel, a biocompatible coated metal, a chemically inert polymer such as PTFE, FEP, PFA and other fluoropolymers or a fluoropolymer-coated metal.
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