ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,506, issued on Nov. 4, was assigned to SPINE WAVE INC. (Shelton, Conn.).

"Steerable and expandable interbody fusion device and associated instrumentation" was invented by Scott McLean (Sandy Hook, Conn.), Haibo Fan (Woodbridge, Conn.), Emily Anne Pugh (Stamford, Conn.) and Phillip T. Harkawik (Fairfield, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steerable expandable spinal implant comprises a body and a movable endplate. The implant including an actuatable expansion mechanism coupled to the body, the expansion mechanism comprising a rotatable drive gear and a follower spindle coupled by a transmission belt. The drive gear is rotatable in...