CUSTOMIZED MATERIAL FOR IMPROVED RADIOPACITY

摘要

A method for obtaining diagnostic information about a region of a living being, the region having a medical device with a radiopaque portion disposed therein. An X-ray beam having a first energy level in excess of the K- absorption edge of the radiopaque portion of the medical device is directed at the region to obtain a first image information and radiographically locate t he medical device within the living being and an X-ray beam having second energ y level at or below the K-absorption edge is applied to the region to obtain a second image information.