Composite for packaging a medical device and method of forming the same

Claim 1

Packaging for a medical device, wherein said packaging comprises: a first layer forming a base having a plurality of walls extending therefrom to define a cavity for receiving the medical device wherein said plurality of walls includes one or more projections for engaging the medical device and said plurality of walls includes a periphery and at least one flange extending from said plurality of walls and disposed about said periphery; and a second layer disposed on said first layer opposite said cavity, wherein said second layer is an outermost layer of said packaging and comprises acrylics, polyesters, silicones, halogenated plastics, polystyrenes, polyvinylchlorides, polyethylene terephthalate glycols, polychlorotrifluoroethylenes, low-density polyethylenes, high-density polyethylenes, polyethylene foams, polycarbonates, polysulfones, fluorinated ethylene polypropylenes, ethylene-tetrafluoroethylenes, ethylene-chlorotrifluoroethylene copolymers, perfluoroalkyl plastics, polypropylenes, cyclic olefin copolymers, and combinations thereof; wherein said first layer comprises an aromatic polyether polyurethane, is an innermost layer of said packaging, and is disposed to directly contact the medical device, and wherein said aromatic polyether polyurethane has a specific gravity of from 0.84 to 1.40 measured according to ASTM D-792.