ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,448, issued on May 6, was assigned to Ensemble Orthopedics Inc. (West Lake Hills, Texas).

"Implantable interpositional orthopedic pain management" was invented by William F. Ogilvie (Austin, Texas), Thomas E. Trumble (Mercer Island, Wash.) and Sandra E. Roth (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for implantable orthopedic pain management devices are disclosed, including incising an opening in a synovial capsule substantially surrounding a joint, using a first tool to form an enlarged opening in the synovial capsule, determining whether to modify the joint, the joint being modified using a second tool if a bone stru...