| http://www.w3.org/ns/prov#value | - In another embodiment, non-bioresorbable materials including silicone, polyurethane, polyester, polyether, polyalkene, polyamide, poly(vinyl) fluoride, polytetrafluoroethylene (PTFE), silk, glass, carbon fiber, and mixtures thereof may be used to form any part of the flexible element.
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