ALEXANDRIA, Va., March 12 -- United States Patent no. 12,245,764, issued on March 11, was assigned to Cilag GmbH International (Zug, Switzerland).

"Shaft assembly comprising a lockout" was invented by Mark D. Overmyer (Cincinnati), Jeffrey S. Swayze (West Chester, Ohio), Andrew T. Beckman (Cincinnati), Robert L. Koch Jr. (Cincinnati), Frederick E. Shelton IV (Hillsboro, Ohio) and Jason L. Harris (Lebanon, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "An end effector is disclosed comprising a cartridge channel, a staple cartridge positionable in the cartridge channel, and a firing assembly configured to lock itself if the staple cartridge is not positioned in the cartridge channel. Moreover, the firing ...