prov:value
| - aim 54 wherein: said structural material is a metal selected from the group consisting of: stainless steel, an alloy including cobalt, and an alloy including titanium. 69. (New) The prosthesis of claim 54 wherein: said structural material is a polymer selected from the group of polymers consisting of: PET, polypropylene, PEEK, HDPE, polysulfone, PTFE, FEP, polycarbonate urethane, and polyurethane.
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