ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,943, issued on Dec. 2, was assigned to Globus Medical Inc. (Audubon, Pa.).

"Locking variable length compression screw" was invented by Peter Evans (Lafayette Hill, Pa.), Jonan Philip (Phoenixville, Pa.), Barclay Davis (Glenmoore, Pa.), David Laird Sr. (Honey Brook, Pa.) and Thomas Zamorski (Conshohocken, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable length headless compression screw insertion system includes a compression screw and a driver assembly for driving the compression screw into a bone. The compression screw has a bone screw and a compression sleeve coupled to the bone screw. The bone screw includes a proximal end having an e...