ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,345, issued on Nov. 11, was assigned to ViOptix Inc. (Newark, Calif.).

"Retractor systems with closed loop control" was invented by Larry C. Heaton II (Pleasanton, Calif.), Alex Keller (Manhasset, N.Y.), Robert E. Lash (Redwood City, Calif.) and Jimmy Jian-min Mao (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A retractor system with a closed loop control includes a retractor having one or more sensors, which measure parameters associated with a retracted tissue. The system further includes a positioning mechanism connected to the retractor and a controller which receives feedback signals from the sensors. Based on the feedback sign...