A stent graft delivery device having two indwelling access sheaths preloaded with a stent graft on the delivery device, the stent graft delivery device comprising: a guide wire catheter having a guide wire lumen therethrough; a handle assembly at a distal end of the guide wire catheter, the handle including a multiport manifold; a nose cone dilator at the proximal end of the guide wire catheter; a pusher catheter extending from the manifold towards the nose cone dilator, the pusher catheter comprising a longitudinal pusher lumen therethrough and a longitudinal auxiliary lumen (392, 394) of a substantially oblong or oval-shaped cross-section, the pusher catheter completely enclosing the longitudinal auxiliary lumen (392, 394) radially, a sheath disposed coaxially over the pusher catheter and the stent graft, the guide wire catheter extending through the pusher lumen and the guide wire catheter able to move longitudinally and rotationally with respect to the pusher catheter, the pusher catheter comprising a proximal end spaced distally from the nose cone dilator and thereby defining between the proximal end of the pusher catheter and the nose cone dilator a stent graft retention region; the stent graft comprising a stent structure, graft material having a side wall, a fenestration in the side wall of graft material, a proximal end, a distal end and a lumen therethrough; the manifold comprising a side port and a through bore, the side port extending distally at an angle from the through bore; the pusher catheter further comprising an aperture near the distal end of the pusher catheter and the aperture opening into the auxiliary lumen (392, 394), the pusher catheter being in communication with the through bore of the manifold such that the aperture communicates with the side port; an indwelling access sheath (320, 318) within the auxiliary lumen (392, 394), the indwelling access sheath (320, 318) configured to receive a guide wire, the indwelling access sheath (320, 318) extending through the side port, into the manifold from external thereof, into the distal end of the stent graft, through the lumen of the stent graft, and out of the fenestration; an elongated device within the auxiliary lumen (392, 394) and not disposed within the indwelling access sheath (320, 318). a guide wire catheter having a guide wire lumen therethrough; a handle assembly at a distal end of the guide wire catheter, the handle including a multiport manifold; a nose cone dilator at the proximal end of the guide wire catheter; a pusher catheter extending from the manifold towards the nose cone dilator, the pusher catheter comprising a longitudinal pusher lumen therethrough and a longitudinal auxiliary lumen (392, 394) of a substantially oblong or oval-shaped cross-section, the pusher catheter completely enclosing the longitudinal auxiliary lumen (392, 394) radially, a sheath disposed coaxially over the pusher catheter and the stent graft, the guide wire catheter extending through the pusher lumen and the guide wire catheter able to move longitudinally and rotationally with respect to the pusher catheter, the pusher catheter comprising a proximal end spaced distally from the nose cone dilator and thereby defining between the proximal end of the pusher catheter and the nose cone dilator a stent graft retention region; the stent graft comprising a stent structure, graft material having a side wall, a fenestration in the side wall of graft material, a proximal end, a distal end and a lumen therethrough; the manifold comprising a side port and a through bore, the side port extending distally at an angle from the through bore; the pusher catheter further comprising an aperture near the distal end of the pusher catheter and the aperture opening into the auxiliary lumen (392, 394), the pusher catheter being in communication with the through bore of the manifold such that the aperture communicates with the side port; an indwelling access sheath (320, 318) within the auxiliary lumen (392, 394), the indwelling access sheath (320, 318) configured to receive a guide wire, the indwelling access sheath (320, 318) extending through the side port, into the manifold from external thereof, into the distal end of the stent graft, through the lumen of the stent graft, and out of the fenestration; an elongated device within the auxiliary lumen (392, 394) and not disposed within the indwelling access sheath (320, 318).