ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,447, issued on Dec. 30, was assigned to VARIAN MEDICAL SYSTEMS INC. (Palo Alto, Calif.) and SIEMENS HEALTHINEERS INTERNATIONAL AG (Steinhausen, Switzerland).
"Systems, methods, and devices for real-time treatment verification using an electronic portal imaging device" was invented by Christof Baltes (Oberwil-Lieli, Switzerland) and Todd Holmes (Bethlehem, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A radiation dose received by a patient from a radiation therapy system can be verified by acquiring a cine stream of image frames from an electronic portal imaging device (EPID) that is arranged to detect radiation exiting the patient during irradi...