ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,951, issued on July 29, was assigned to K2M Inc. (Leesburg, Va.).

"Spinal fixation system" was invented by Scott Jones (Mcmurray, Pa.), Oheneba Boachie-Adjei (Garden City, N.Y.), Larry McClintock (Gore, Va.), Kevin Strauss (Atlanta) and John Carbone (Lutherville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyaxial pedicle screw includes a housing, a bone screw member, and an anvil. The bone screw member includes a head and a threaded shaft extending from the head. The head is selectively securable within the housing. The anvil is positionable within the housing adjacent to the head of the bone screw member when the anvil and the head of t...