ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,610, issued on July 14, was assigned to EndoQuest Robotics Inc. (Houston).

"Valve assembly for sealing an instrument channel on a robotic surgical system" was invented by Graham Johnson (Seattle), Yongman Park (Houston), Sungwoo Cho (Richmond, Texas), Daniel Kim (Quincy, Mass.), Raymond Lee (Houston), Dongsuk Shin (Houston) and Perry A. Genova (Chapel Hill, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly is disclosed for sealing an instrument channel of a robotic surgical device, which includes a valve body having a longitudinal axis extending therethrough from a proximal end portion of the valve body to a distal end portion of ...