An endovascular delivery system, comprising: a bifurcated prosthesis comprising: a main tubular body having a graft wall and having an open end and opposed ipsilateral and contralateral legs (126, 128), said ipsilateral and contralateral legs (126, 128) having open ends, and said main tubular body and said ipsilateral and contralateral legs (126, 128) having inflatable channels; wherein said ipsilateral leg comprises an ipsilateral tab extending from the open end of said ipsilateral leg, said tab comprising at least two holes; said bifurcated and inflatable prosthesis further comprising: an elongate guidewire having at least two outwardly projecting members, wherein at least one of said outwardly projecting members being disposed within at least one of said at least two holes of said ipsilateral tab; a release wire slidable disposed within the at least two outwardly projecting members of the elongate guidewire and within one of the at least two holes of said ipsilateral tab; and a tether having opposed contralateral and ipsilateral ends, said contralateral end of the tether being securably disposed at said open end of said contralateral leg, said ipsilateral end of the tether having a hole, said release wire being slidably disposed through the hole of the tether to so engage the tether; wherein withdrawal of the release wire releases the ipsilateral tab and the tether from the elongate guidewire. a bifurcated prosthesis comprising: a main tubular body having a graft wall and having an open end and opposed ipsilateral and contralateral legs (126, 128), said ipsilateral and contralateral legs (126, 128) having open ends, and said main tubular body and said ipsilateral and contralateral legs (126, 128) having inflatable channels; wherein said ipsilateral leg comprises an ipsilateral tab extending from the open end of said ipsilateral leg, said tab comprising at least two holes; a main tubular body having a graft wall and having an open end and opposed ipsilateral and contralateral legs (126, 128), said ipsilateral and contralateral legs (126, 128) having open ends, and said main tubular body and said ipsilateral and contralateral legs (126, 128) having inflatable channels; wherein said ipsilateral leg comprises an ipsilateral tab extending from the open end of said ipsilateral leg, said tab comprising at least two holes; said bifurcated and inflatable prosthesis further comprising: an elongate guidewire having at least two outwardly projecting members, wherein at least one of said outwardly projecting members being disposed within at least one of said at least two holes of said ipsilateral tab; a release wire slidable disposed within the at least two outwardly projecting members of the elongate guidewire and within one of the at least two holes of said ipsilateral tab; and a tether having opposed contralateral and ipsilateral ends, said contralateral end of the tether being securably disposed at said open end of said contralateral leg, said ipsilateral end of the tether having a hole, said release wire being slidably disposed through the hole of the tether to so engage the tether; an elongate guidewire having at least two outwardly projecting members, wherein at least one of said outwardly projecting members being disposed within at least one of said at least two holes of said ipsilateral tab; a release wire slidable disposed within the at least two outwardly projecting members of the elongate guidewire and within one of the at least two holes of said ipsilateral tab; and a tether having opposed contralateral and ipsilateral ends, said contralateral end of the tether being securably disposed at said open end of said contralateral leg, said ipsilateral end of the tether having a hole, said release wire being slidably disposed through the hole of the tether to so engage the tether; wherein withdrawal of the release wire releases the ipsilateral tab and the tether from the elongate guidewire.