ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,455, issued on March 25, was assigned to SIEMENS HEALTHINEERS INTERNATIONAL AG (Switzerland).
"Virtual portal image for treatment setup in a radiation therapy system" was invented by Stephen Thompson (Pacific Grove, Calif.), Andres Graf (Oberwil, Switzerland) and Susan Koehl (Henderson, Nev.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method of performing radiation therapy on a target volume within an anatomical region of a patient includes: acquiring a cone-beam computed tomography (CBCT) image of the region while the region is positioned in a first preliminary treatment location; reconstructing a current digital volume o...