ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,420, issued on June 17, was assigned to Medos International Sarl (Le Locle, Switzerland).

"Implant receivers and connectors with grip grooves for rod fixation" was invented by Kevin Lee (Canton, Mass.), Samuel Jacobs (Acton, Mass.) and Aubrey Ortiz (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Implants with grip grooves are disclosed herein. In some embodiments, an implant includes a rod-receiving recess defining a rod axis where an inner surface of the rod-receiving recess defines two grip grooves extending parallel to each other and the rod axis. Each grip groove defines two edges where the grip groove intersects the inner surface, the fo...