ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,856, issued on July 21, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Percutaneous circulatory support device facilitating reduced hemolysis" was invented by Anthony Malone (Galway, Ireland), Olena Pernatiy (Galway, Ireland) and Javier Palomar-Moreno (Galway, Ireland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A percutaneous circulatory support device includes an impeller disposed within an impeller housing. The impeller is rotatable relative to the impeller housing to cause blood to flow through the percutaneous circulatory support device. The device further includes a liquid carrier carrying a liquid. The liquid carrier i...