ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,593, issued on Feb. 10, was assigned to VARIAN MEDICAL SYSTEMS INC. (Palo Alto, Calif.).

"Internal dose-adapted automated external beam radiation therapy" was invented by Debanti Sengupta (Santa Clara, Calif.), Patrick Kupelian (La Quinta, Calif.), Ryan Clark (Chandler, Ariz.), Luca Cozzi (Porto Valtravaglia, Italy) and Donald Hoang (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices and methods for internal dose adapted automated external radiation beam therapy, and systems and methods for an automated adaptive workflow to automatically generate a radiation treatment plan based on the internal dose and adapt the treatment...