ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,547, issued on Oct. 7, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).
"Perfusion imaging" was invented by Michael Grass (Buchholz in der Nordheide, Germany), Roland Proksa (Neu Wulmstorf, Germany) and Sascha Krueger (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Perfusion data is generated from imaging a tissue of interest. The perfusion data includes image data of a contrast agent passing through the tissue of interest. A remote photoplethysmography (PPG) device is configured to focus on a patient's area at or near the tissue of interest. The PPG device is located on a gantry and remains stationary when an X-ray...