ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,851, issued on March 4, was assigned to Elekta Ltd. (Crawley, Great Britain).
"Leaf for a multi-leaf collimator" was invented by Martin Broad (Crawley, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A leaf for a multi-leaf collimator comprises a leaf portion for delineating a beam of radiation, the leaf portion having first attenuation factor. The leaf also comprises a tail portion having a second attenuation factor, the first attenuation factor being greater than the second attenuation factor."
The patent was filed on March 12, 2021, under Application No. 17/906,179.
*For further information, including images, charts and tables, ple...