ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,296, issued on Sept. 30, was assigned to Conmed Corp. (Largo, Fla.).

"Coupling devices for tube sets used with surgical gas delivery systems" was invented by Earl M. Zergiebel (Guilford, Conn.), Dominick Mastri (Bridgeport, Conn.), Michael J. Augelli (Prospect, Conn.) and Kenneth Blier (Cheshire, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupling system is disclosed for connecting a tube set to a trocar that includes a multi-lumen trocar having a housing that has a connector extending outwardly from the housing, the connector having a plurality of coaxial flow passages defined therein by a plurality of concentric annular walls, a multi...