type of prosthesis (eye, penile, etc.) OYES ONO Heart valve prosthesis OYES ONO Eyelid spring or wire OYES ONO Artificial or prosthetic limb DYES ONO Metallic stent, filter or coil OYES ONO Shunt (spinal or intraventricular) OYES ONO Vascular access port and/or catheter OYES ONO Radiation seeds or implan