An aneurysm repair system (700) comprising at least one bypass graft (708) configured to extend through an aneurismal sac and create a fluid flow pathway therethrough and at least one port (714) connected to and in fluid communication with the at least one bypass graft, the at least one port being operable to assume an open position and a closed position. In one embodiment, an abdominal aortic aneurysm repair device has an access port which may be utilized to percutaneously access the aneurismal sac without disturbing the repair. The access port has a self-sealing member for maintaining the port in the normally closed position. The insertion of a percutaneous device into the port opens the port.
