In order to bypass a restriction in a parent vessel, a first site in a branch vessel branching from the aorta is accessed intraluminally. An occlusion is formed at the first site, and the aperture is formed in the branching vessel, intraluminally, proximal of the first site. An aperture is formed in...http://www.google.es/patents/US6035856?utm_source=gb-gplus-sharePatente US6035856 - Percutaneous bypass with branching vessel
