ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,400, issued on May 20, was assigned to Institute for Musculoskeletal Science and Education Ltd. (King of Prussia, Pa.).

"Implant with structural members arranged around a ring" was invented by Sean S. Bishop (Malvern, Pa.), Christopher J. Ryan (Lincoln University, Pa.), Edward J. McShane III (Collegeville, Pa.), Megan A Stauffer (Wayne, Pa.) and Joseph M. Nyahay (Eagleville, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An implant may include a body including a ring, the ring further defining an opening, and the body defining a transverse plane dividing the implant into a superior half and an inferior half. The ring may also define a circumfere...