ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,191, issued on Feb. 24, was assigned to SONY GROUP COPRORATION (Tokyo).
"Medical arm device" was invented by Kazuo Hongo (Tokyo) and Jun Arai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medical arm device to support a medical instrument has a tip part with a structure in which three rotation axes are disposed in order of a rotation axis around a longitudinal axis of the medical instrument, a yaw axis that rotates the medical instrument left and right with respect to a tip of a link, and a pitch axis that rotates the medical instrument up and down with respect to the tip of the link, and a first wire for rotation transmission of the yaw a...