Biomaterials for Implantable Devices are available for prolonged exposure and permanent exposure to bodily fluids and tissue in the human body and can be sterilized. The Biomaterials have good strength and stiffness along with good toughness and fatigue resistance. The Biomaterials combine unsurpassed toughness with transparency and good biocompatibility. The Biomaterials for Implantable Devices offer practical toughness in a strong, transparent polymer.