ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,802, issued on Aug. 26, was assigned to Stryker Corp. (Portage, Mich.).

"Systems and methods for establishing virtual constraint boundaries" was invented by David G. Bowling (Los Ranchos De Albuquerque, N.M.), Donald W. Malackowski (Schoolcraft, Mich.), Jose Luis Moctezuma de la Barrera (Freiburg, Germany), Patrick Roessler (Merzhausen, Germany), Jerry A. Culp (Kalamazoo, Mich.), John M. Stuart (Rio Rancho, N.M.) and Joel N. Beer (Albuquerque, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Surgical systems and methods of operating the same involve controlling a robotic manipulator to move a cutting instrument to cut away material from a bone at...