ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,013, issued on March 25, was assigned to Cilag GmbH International (Zug, Switzerland).

"Robotic surgical systems with mechanisms for scaling camera magnification according to proximity of surgical tool to tissue" was invented by Charles J. Scheib (Loveland, Ohio) and Jeffrey S. Swayze (West Chester, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical visualization system for use with a robotic surgical system that includes a surgical tool movable with respect to a tissue of a patient in response to an instrument motion control signal is disclosed. The surgical visualization system includes a camera and a control circuit coupled to the cam...