ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,136, issued on May 13, was assigned to OMEGA FLEX INC. (Middletown, Conn.).

"Corrugated medical tubing system having fitting with anti-tamper sleeve" was invented by Dean W. Rivest (Oxford, Pa.), David R. Elder (Liberty, Pa.) and Andrew Moore (Coatesville, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fitting for use with metal, corrugated tubing having peaks and valleys includes a nut configured to receive the tubing; a sealing member for placement in a valley of the tubing, the sealing member including a sealing surface; an adaptor configured to engage the nut, the adaptor including an adaptor sealing surface; and an anti-tamper sleeve conf...