ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,640, issued on Dec. 9, was assigned to Precision Robotics Ltd. (London).

"Apparatus, computer-implemented method and computer program for enabling the tracking of a robotic instrument to a passive controller" was invented by Malgorzata Kamedula (London), Zhang Lin (Guangdong, China) and Jindong Liu (Isleworth, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus including computer program code configured to cause the apparatus to: receive a command defining a desired pose of an end effector of a robotic instrument; determine, based on the command, joint parameters for each joint of the robotic instrument using an inverse kinemati...