ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,855, issued on July 28, was assigned to Providence Medical Technology Inc. (Pleasanton, Calif.).

"Facet joint implants and delivery tools" was invented by Bruce M. McCormack (San Francisco) and Jeffrey D. Smith (Clayton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spinal joint distraction system is disclosed and may include a driver assembly with a tubular shaft, a pair of implant holder arms, an implant distractor, an internal actuator, and a distractor knob, the system also including a delivery device with a tubular shaft, a receiving assembly, and a pair of forks, where the delivery device is adapted for slidable insertion of the driv...