ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,396, issued on July 15, was assigned to MAKO Surgical Corp. (Weston, Fla.).

"Surgical system with free mode registration" was invented by Hyosig Kang (Weston, Fla.), Dennis Moses (Doral, Fla.) and Arthur Quaid (Ft. Lauderdale, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes controlling a robotic arm extending from a base in a free mode during a registration procedure and optically tracking the base and a marker mounted on the robotic arm during movement of the robotic arm in the free mode. The movement of the robotic arm causes movement of the marker without affecting a position of the base. The method also includes defining a ...