ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,142, issued on July 8, was assigned to Endologix LLC (Irvine, Calif.).

"Systems and methods with graft body, inflatable fill channel, and filling structure" was invented by Michael Chobotov (Irvine, Calif.), James Machek (Irvine, Calif.), David Deaton (Irvine, Calif.) and William Colone (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for placement in at least one blood vessel includes a main graft body, one or more inflatable channels, and a filling structure. The one or more inflatable channels are attached to the main graft body. The filling structure is inflatable around at least a portion of the main graft body and at leas...