ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,470, issued on March 3, was assigned to ECENTIAL ROBOTICS (Gieres, France).

"Tracking assembly for a surgical robotic system" was invented by Stephane Lavallee (Saint-Martin-d'Uriage, France), David Armand (Saint Egreve, France) and Lucas Michel (Sainte Agnes, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a tracking assembly (1) for a surgical robotic system, comprising at least two tracking patterns, wherein at least one of said at least two tracking patterns is adapted to be rotatably mounted relative to a tool guide (2) of the surgical GT robotic system so as to be moveable in rotation around a tool guide axis (X)...