ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,913, issued on Dec. 2, was assigned to MAP Medical Solutions LLC (Twin Falls, Idaho).

"Joint revision surgery apparatus" was invented by Mark B. Wright (Jackson, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application is directed a Joint Revision Surgery Apparatus which includes a surgical knife blade guide block which has a plurality of rearward blade guide slots, a central cavity and a large forward slot having an adjustable knife blade guide pressure plate. The surgical knife blade guide block central cavity houses a stem trunnion securing member and is positioned over the trunnion end of the existing prosthesis to be removed ...