ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,610, issued on Sept. 1, was assigned to INTUITIVE SURGICAL OPERATIONS INC. (Sunnyvale, Calif.).

"Elongate flexible systems with articulation joint assembly" was invented by Christopher M. Major (Santa Clara, Calif.), Joseph D. Bogusky (San Jose, Calif.), Lucas S. Gordon (San Jose, Calif.), Francis T. Macnamara (San Jose, Calif.) and Randall L. Schlesinger (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter system may comprise an articulation joint including a first pair of links and a second pair of links. Each link may include a central channel enclosed at least in part by radially extending arcuate segments. The first pair...