ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,082, issued on May 13, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Methods and systems for establishing retrograde carotid arterial blood flow" was invented by Enrique Criado (Sunnyvale, Calif.), Tony M. Chou (San Mateo, Calif.), Michi E. Garrison (Sunnyvale, Calif.), Gregory M. Hyde (Sunnyvale, Calif.), Alan Schaer (Sunnyvale, Calif.) and Richard Renati (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Interventional procedures on the carotid arteries are performed through a transcervical access while retrograde blood flow is established from the internal carotid artery to a venous or external location. A sy...