ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,047, issued on May 26, was assigned to WARSAW ORTHOPEDIC Inc. (Warsaw, Ind.).

"Pop-on-cap assemblies having opposing splay-resisting features and opposing anti-rotation features for spinal surgery" was invented by Jason M. May (St. Johns, Fla.), Christel Italiaie (Memphis, Tenn.) and William Rezach (Covington, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spinal-surgery system having a rod receiver and/or a cap for use insertion and removal from the receiver. The cap has a generally cylindrical body, a set of opposing splay-resisting flanges, and set of opposing rotation-preventing wings, the flanges extending radially from the body along a ...