ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,979, issued on Sept. 1, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Methods and systems for establishing retrograde carotid arterial blood flow" was invented by Gregory M. Hyde (Sunnyvale, Calif.), Marlon Moreno (Sunnyvale, Calif.) and Stewart Kume (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and methods establish and facilitate retrograde or reverse flow blood circulation in the region of the carotid artery bifurcation in order to limit or prevent the release of emboli into the cerebral vasculature such as into the internal carotid artery. The methods are particularly useful for interventional p...