ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,250, issued on Nov. 3.

"Modular jig system" was invented by James Kerns (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "The modular jig system may comprise a plurality of carrier jigs and an adapter jig. The plurality of carrier jigs may be operable to support and orient calibration phantoms on a treatment couch within a radiation oncology treatment vault. An individual carrier jig selected from the plurality of carrier jigs may be used to support one calibration phantom at a time. The plurality of carrier jigs may be interconnected to place and orient multiple calibration phantoms. The adapter jig may be operable to position the calibration...