ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,290, issued on July 14, was assigned to Atlas Spine Inc. (Jupiter, Fla.).

"Facet joint fixation device" was invented by Matthew G. Baynham (Jupiter, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A facet joint fixation device formed from a flexible wedge shaped implant constructed from a single piece of material. The device is defined by an insert end spaced apart from outer end by first and second side members. Each side support is cut by a series of recesses in diminishing depth defining a living hinge therebetween. The series of recesses are constructed and arranged to adjust flexibility of said implant."

The patent was filed on Dec. 2, 202...