ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,306, issued on Feb. 17, was assigned to MEDICAL MICROINSTRUMENTS INC. (Wilmington, Del.).

"Articulated surgical instrument for robotic surgery or microsurgery, manufacturing method and assembly method" was invented by Giorgio Lazzari (Pisa, Italy) and Massimiliano Simi (Pisa, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument includes an articulated end having a first support link, a second link articulated with respect to the first support link about a rotation axis, and a transmission cable fixed to the second link. The first support link has at least one first convex ruled surface with straight generator lines all parallel...