ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,764, issued on Oct. 7, was assigned to Tyler Fusion Technologies LLC (Tyler, Texas).

"Expandable fusion device for positioning between adjacent vertebral bodies" was invented by Erik Wagner (Austin, Texas) and Michael Schular (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, system and/or method may include an intervertebral implant for a human spine including an upper body, a lower body, first and second expansion members, and an expansion mechanism. A superior surface of the upper body may function to engage a first vertebra of the human spine. An inferior surface of the lower body may function to engage a second verte...