Apparatus for repairing an aneurysm, comprising a. a device having an inner graft tube and an inflatable outer balloon attached to an outer surface of said inner graft tube, i. said inner graft tube having an unexpanded condition and said inflatable outer balloon having an uninflated condition allowing deployment of said device in an artery at the location of an aneurysm, ii. said inner graft tube being expandable within the artery to an expanded condition to contact the wall of the artery above and/or below the aneurysm to form a seal with the wall of the artery above and/or below the aneurysm, iii. said outer balloon being inflatable within the aneurysm to an inflated condition with a rapidly settable substance, said outer balloon in said inflated condition filling the aneurysm to support the device; and b. an inflatable deployment balloon having an uninflated condition to fit within said inner graft tube in said unexpanded condition, i. said deployment balloon being inflatable within said inner graft tube to expand said inner graft tube from said unexpanded condition to said expanded condition within the artery and to maintain said inner graft tube in said expanded condition within the artery during inflation of said outer balloon with the rapidly settable substance, ii. said deployment balloon being removable from said inner graft tube upon setting of the rapidly settable substance, whereby said device remains in the artery with said inner graft tube in said expanded condition and said outer balloon in said inflated condition. a. a device having an inner graft tube and an inflatable outer balloon attached to an outer surface of said inner graft tube, i. said inner graft tube having an unexpanded condition and said inflatable outer balloon having an uninflated condition allowing deployment of said device in an artery at the location of an aneurysm, ii. said inner graft tube being expandable within the artery to an expanded condition to contact the wall of the artery above and/or below the aneurysm to form a seal with the wall of the artery above and/or below the aneurysm, iii. said outer balloon being inflatable within the aneurysm to an inflated condition with a rapidly settable substance, said outer balloon in said inflated condition filling the aneurysm to support the device; and i. said inner graft tube having an unexpanded condition and said inflatable outer balloon having an uninflated condition allowing deployment of said device in an artery at the location of an aneurysm, ii. said inner graft tube being expandable within the artery to an expanded condition to contact the wall of the artery above and/or below the aneurysm to form a seal with the wall of the artery above and/or below the aneurysm, iii. said outer balloon being inflatable within the aneurysm to an inflated condition with a rapidly settable substance, said outer balloon in said inflated condition filling the aneurysm to support the device; and b. an inflatable deployment balloon having an uninflated condition to fit within said inner graft tube in said unexpanded condition, i. said deployment balloon being inflatable within said inner graft tube to expand said inner graft tube from said unexpanded condition to said expanded condition within the artery and to maintain said inner graft tube in said expanded condition within the artery during inflation of said outer balloon with the rapidly settable substance, ii. said deployment balloon being removable from said inner graft tube upon setting of the rapidly settable substance, whereby said device remains in the artery with said inner graft tube in said expanded condition and said outer balloon in said inflated condition. i. said deployment balloon being inflatable within said inner graft tube to expand said inner graft tube from said unexpanded condition to said expanded condition within the artery and to maintain said inner graft tube in said expanded condition within the artery during inflation of said outer balloon with the rapidly settable substance, ii. said deployment balloon being removable from said inner graft tube upon setting of the rapidly settable substance, whereby said device remains in the artery with said inner graft tube in said expanded condition and said outer balloon in said inflated condition.