ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,475, issued on April 15.

"Automated coupled torsional fixators and method of use" was invented by Peter M. Stevens (Salt Lake City) and John Colin Stevens (Salt Lake City).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for external rotational deformity correction of an intact bone may include: a first frame member and a second frame member rotatably coupled therewith, a first bone fixation member coupled to the first frame member and to a distal segment of the intact bone, a second bone fixation member coupled to the second frame member and to a proximal segment of the intact bone at a first angle, an automated control mechanism coupled to th...