ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,135, issued on March 18, was assigned to NEO MEDICAL SA (La Villette, Switzerland).

"Set screw and set screw driving tool for improved rod alignment" was invented by Morten Beyer (Rodkaersbro, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A set screw for threadable engagement with a head of a pedicle screw for holding a spinal rod, the set screw having a spinal rod facing side and a set screw driver facing side, the set screw including an opening at the set screw driver facing side for engaging with the set screw driver, and a convex surface at the rod facing side, an apex of the convex surface substantially corresponding with a rotational...