ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,900, issued on July 28, was assigned to Warsaw Orthopedic Inc. (Warsaw, Ind.).

"Surgical instrument and method" was invented by Roy K. Lim (Germantown, Tenn.), Mark C. Dace (Memphis, Tenn.), Richard Q Brown (Memphis, Tenn.) and Adam D Glaser (Memphis, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument comprises a first member including at least a portion of a first spheroidal joint and a first lock engageable with a first bone element fixed with a first vertebrae. A second member includes at least a portion of a second spheroidal joint and a second lock engageable with a second bone element fixed with a second vertebrae. A li...