ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,160, issued on June 23, was assigned to Highridge Medical LLC (Westminster, Colo.).

"Rod reducer ratchet lock-out mechanism" was invented by Caleb Lee Stoll (Broomfield, Colo.), Allison Christine Capote (Boulder, Colo.) and Randall G. Mast (Denver).

According to the abstract* released by the U.S. Patent & Trademark Office: "Spinal surgical procedures can benefit from a rod reduction instrument with a ratchet lock-out mechanism. The instrument can include an inner shaft, an outer housing and a ratchet mechanism. The inner shaft can include a threaded proximal portion and a distal end that includes a plurality of engagement members adapted to receive a pedicle screw. The outer hous...