ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,328, issued on Dec. 9, was assigned to Caleb Sutherland (Chattanooga, Tenn.).

"Apparatus and method for a lung isolation tube assembly with port" was invented by Caleb Sutherland (Chattanooga, Tenn.) and Mark Bryan (Goldendale, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lung isolation tube assembly includes a control valve that is adapted to be moved between a left lumen position, a right lumen position, and a both lumens position, a connector that is in fluid communication with the control valve and having a port, and a tube that is in fluid communication with the connector. The tube includes a left lumen that is in fluid communication w...