Apparatus and methods for interconnecting an artery and a vein by means of a graft of biocompatible material and a catheter of biocompatible material. The graft has an end configured for attachment to the artery and another end configured for interconnection with the catheter. The catheter has an end...http://www.google.es/patents/US6338724?utm_source=gb-gplus-sharePatente US6338724 - Arterio-venous interconnection
