prov:value
| - Non-swellable cores may be formed from any suitable biocompatible material, including polytetrafluoroethylene, poly(dimethyl siloxane) rubber, polyurethane, polyethylene, polyethylene vinyl acetate, polypropylene, polybutadiene, polyvinyl chloride, polyvinyl acetate, polyacrylonitrile, polyamide, glass or glass fibers, stainless steel, and other materials known to those skilled in the art.
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