ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,053, issued on Nov. 18, was assigned to Xeltis AG (Zurich).
"Multiple layer vascular graft" was invented by Mohammed El-Kurdi (Mansfield, Mass.), Ryan Ayotte (Waltham, Mass.), Anh Thi Dinh (Brighton, Mass.), Kevin Farrell (New Smyrna Beach, Fla.) and Jon McGrath (Duxbury, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein our graft devices for a patient comprising one or more layers, such as an inner layer and an outer layer. The inner layer comprises a first porous arrangement of fibers defining a first tube comprising an inner wall and an outer wall. The outer layer comprises a second porous arrangement of fibers defining a secon...