ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,317, issued on March 18, was assigned to Globus Medical Inc. (Audubon, Pa.).

"Expandable fusion device and method of installation thereof" was invented by Jason Gray (East Greenville, Pa.) and Damien Kahmer (Glenside, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. The intervertebral implant may be configured to transition from a collapsed configuration having a first width and a first height to an expanded configuration having a second width and a ...