ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,783, issued on April 14, was assigned to Elekta Ltd. (Crawley, Great Britain).
"Quality assurance for a radiotherapy device" was invented by Joshua Freedman (Crawley, Great Britain), David Roberts (Crawley, Great Britain) and Christopher Knox (Crawley, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quality assurance method for a radiotherapy device is disclosed. The method comprises disposing a phantom on a patient couch of the radiotherapy device, moving the patient couch to simulate motion of a subject, determining a measured value associated with the phantom, and comparing the measured value to an expected value. A radiotherapy d...