ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,880, issued on Oct. 21, was assigned to Cilag GmbH International (Zug, Switzerland).

"Robotic tool comprising an articulation lock" was invented by Frederick E. Shelton IV (Hillsboro, Ohio) and Jerome R. Morgan (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical stapling instrument. Various embodiments include an actuation system for selectively generating a plurality of control motions. A surgical end effector is operably coupled to the actuation system. The actuation system interfaces with an actuation member configured to operably engage rotatable camming members to fire staples within the end effector into forming contact with ...