novel endoprostheses comprising one or more photocurable materials are disclosed . said endoprostheses may comprise regions wherein said photocurable materials are selectively disposed about said endoprosthesis and are cured according to desired parameters to achieve varying desired properties . said properties may include but are not limited to cross - linking density , material density , modulus of elasticity , rate of erosion , extensibility , compressibility , mechanical strength , tensile strength , crystallinity , diffusion coefficient , and permeability .