ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,528, issued on June 3, was assigned to MOZARC MEDICAL US LLC (Minneapolis).

"Variable orifice fistula graft" was invented by Sean McDermott (Weymouth, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical implant includes a primary tubular member having a first end and a second end and defining a primary longitudinal axis and a primary lumen. The primary tubular member is disposed in an arterial-venous connection. The medical implant also includes a baffle disposed transversely to the primary longitudinal axis within the primary lumen. The baffle defines at least one aperture therethrough."

The patent was filed on Aug. 27, 2021, under Appli...