ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,511, issued on Nov. 4, was assigned to Crossroads Extremity Systems LLC (Memphis, Tenn.).

"Systems and methods for joint fusion" was invented by Michael Campbell (Virginia Beach, Va.), Scott Shawen (Charlotte, N.C.), Daniel Sayger (Olive Branch, Miss.) and Michael Chad Hollis (Collierville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods are disclosed for correcting deformities in a patient's foot. In one example, a metatarsus adductus is addressed using a pin placement guide that is angulated to be placed in alignment with a cuneiform and a metatarsal, such that the TMT joint can be subsequently cut, and the metatarsal mov...