ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,035, issued on Sept. 30, was assigned to CORELINK LLC (St. Louis).

"Interbody spacer for spinal fusion" was invented by Adam MacMillan (Quincy, Mass.) and Josh Arnone (St. Charles, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An interbody spacer for spinal fusion surgery includes a body configured for insertion within an interbody space between two adjacent vertebrae. The body defines at least one fastener-receiving opening for receiving a fastener for securing the body within the interbody space. A blocking member is disposable in the fastener-receiving opening for preventing the fastener from being withdrawn from the fastener-receiving open...