ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,123, issued on Jan. 13, was assigned to ARTHREX INC. (Naples, Fla.).

"Tibial cutting guide assemblies and associated instrumentation for performing surgical methods" was invented by Joel Zubizarreta (Naples, Fla.) and Alex Bautsch (Naples, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure is directed to tibial cutting guide assemblies for preparing a tibia for receiving an arthroplasty implant. Exemplary tibial cutting guide assemblies may include a tibial cutting block for making precise cuts in the tibia, and a slope setting pin for establishing a patient specific tibial slope. The tibial cutting guide assemblies allow for level ...