ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,047, issued on April 7, was assigned to SIEMENS HEALTHINEERS AG (Forchheim, Germany).
"Contrast agent-based vascular imaging" was invented by Thomas Flohr (Uehlfeld, Germany), Bernhard Schmidt (Fuerth, Germany), Gregor Jost (Berlin) and Hubertus Pietsch (Kleinmachnow, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention relates to an X-ray contrast agent. The X-ray contrast agent has an X-ray absorption the change of which between at least two different X-ray photon energy levels differs from the change in X-ray absorption of calcium between the at least two different X-ray photon energy level. Embodiments of t...