A single access method of repairing an aneurysm in a bifurcated vascular lumen is described. A primary graft portion is configured in the bifurcated vascular lumen before a guide wire is configured through the primary graft portion and into a contralateral vessel of the bifurcated vascular lumen from the access opening. The guide wire may be a directed into the contralateral vessel and around the bifurcation in the primary graft portion by steerable sheath, a directional sleeve or a sheath having an aperture and secured to the primary graft portion by a balloon. The contralateral limb is then advanced through the access opening in the ipsilateral vessel, around the bifurcation and into the contralateral vessel.
