ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,580, issued on March 18, was assigned to Vision RT Ltd. (London).
"Calibration of a stereoscopic camera system for use with a radio therapy treatment apparatus" was invented by Ivan Meir (London), Martin Allen (London), Gideon Hale (London), Norman Smith (London) and Robert Howe (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed calibration method includes a calibration phantom positioned on an adjustable table on the surface of a mechanical couch, with the phantom's centre at an estimated location for the iso-centre of a radio therapy treatment apparatus. The calibration phantom is then irradiated using the apparatus, and the rel...