ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,438, issued on June 30, was assigned to Unik Orthopedics Inc. (San Jose, Calif.).

"Methods and systems for robotic-assisted surgery using customized bone registration guides" was invented by Charlie Wen-Ren Chi (Milpitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described within are systems, methods and apparatus for a bone mounted robotic-assisted orthopedic surgery system for precise implant position, soft tissue balancing and guidance of tools during a surgical procedure, particularly partial or total knee replacement procedure. The system features a bone mounted robotic arm with end-effector for precise positioning of surgical tool,...