A repair device includes a first elongate member, a second elongate member, and a seal member. The first elongate member includes a proximal end portion and a distal end portion and defines a lumen therebetween. The second elongate member includes a proximal end portion and a distal end portion and is movably disposed within the lumen. The distal end portion of the second elongate member is configured to puncture an endoluminal stent graft disposed within an artery of a patient and to be inserted, at least partially, into an aneurysm sac. The seal member is releasably coupled to the distal end portion of the first elongate member. The seal member is configured to be coupled to the endoluminal stent graft to seal an opening formed by the distal end portion of the second elongate member.
