Typescript news release with photograph attached to the upper portion. The document is from the Office of University Relations of the University of Oregon Medical School. The text below the image gives details on the success of the Starr-Edwards heart valves. The pictured valve is valve number 2320 and has a seamless teflon and polypropyleneknit cone-shaped sewing ring. The ball is hollow stellite 21 and the cage is of the same material covered with teflon and polypropylene layers.