ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,448, issued on March 24, was assigned to Globus Medical Inc. (Audubon, Pa.).

"Stabilizing bones using screws and rods" was invented by Caelan Allen (Philadelphia), Matthew Bechtel (Philadelphia), Noah Hansell (King of Prussia, Pa.), Stefan Lamers (Phoenixville, Pa.), David Leff (Philadelphia), David Peretz (Wynnewood, Pa.) and George Yacoub (Conshohocken, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orthopedic fixation device for affixing the screw head of a polyaxial pedicle screw has a tulip, a saddle, and a ring. The tulip has an interior cavity and two opposed threaded arms and a lower ledge. The saddle is inserted into the tulip body,...