ALEXANDRIA, Va., March 12 -- United States Patent no. 12,245,954, issued on March 11, was assigned to MAKO Surgical Corp. (Weston, Fla.).

"Robotic system for ankle arthroplasty" was invented by Manoj Kumar Singh (Mahwah, N.J.), Yves Crozet (Ramsey, N.J.) and Daniel Greenberg (Ramsey, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Robotic system and methods for robotic arthroplasty are provided. The robotic system includes a machining system and a guidance system. The guidance station tracks movement of one or more of various objects in the operating room, such as a surgical tool, a tibia of a patient, a talus of the patient, or a component of an implant. The guidance system tracks these objects for purp...