| http://www.w3.org/ns/prov#value | - For surgical applications, the links or bushings or other components of the mechanism or device into which the links or bushings are incorporated may be made from any biocompatible material including, but not limited to, stainless steel; titanium; tantalum; and any of their alloys; and polymers, e.g., polyethylene or copolymers thereof, polyethylene terephthalate or copolymers thereof, nylon, sili
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