ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,909, issued on July 28, was assigned to Fractyl Health Inc. (Burlington, Mass.).

"Tissue treatment system with fluid delivery console" was invented by Jay Caplan (Boston), Charles Abele (Brookline, Mass.), Gregory Andrew Dierksen (Brookline, Mass.), Andrew Hollett (Somerville, Mass.), Thomas C. Kochem (Watertown, Mass.), Adam Jaynes (Somerville, Mass.), Jeffrey Johnson (North Andover, Mass.), Jeffrey Lesica (Holliston, Mass.), Sara A. Morneau (Lincoln, Mass.), Bruno Piazzarolo (Arlington, Mass.) and Jonathan Seidmann (Newton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for performing a medical procedure in the intestine of a patien...