#$%^&*AU2016203598A120160616.pdf#####Abstract A narrow body lumen diagnostic device (100), comprising a guide wire (334) capable of providing light or sensing an image and for guiding a catheter to a target location, said guide wire (334) including illuminating fibers (332) or imaging fibers (308); and a catheter including imaging fibers (308) if said guide wire (334) includes illuminating fibers (332) or said catheter including illuminating fibers (332) if said guide wire (334) includes imaging fibers (308). 25 11363753V1