A flanged end-to-side vascular graft having an integrally formed flange at at least one end with an opening disposed at a non-right angle to the straight portion of the graft. The upper portion of the flange is shaped to follow a smooth continuous curve and the crotch portion is substantially free of...http://www.google.co.uk/patents/US5156619?utm_source=gb-gplus-sharePatent US5156619 - Flanged end-to-side vascular graft