ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,535, issued on July 14, was assigned to Merit Medical Systems Inc. (South Jordan, Utah).
"Multilayer vascular graft" was invented by John Hall (Bountiful, Utah), Wayne Mower (Bountiful, Utah), Doug Friedrichs (Salt Lake City) and Lucia Irazabal (Holladay, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "Devices used to provide vascular access, methods of manufacture, and methods of use are disclosed. The devices may be a vascular graft having a wall configured to seal following repeated punctures with a needle. The wall may include a plurality of layers of differing materials. The wall may also include a bead configured to prevent kinking of the ...