Include (a) self-expandable stent structure present disclose provides a kind of stent graft to have a first end and a second end, wherein self-expandable stent structure qualification inner cavity, (2) at least one limiter is configured to coupled on the outer surface of an extension fixture, graft compressive state, and wherein at least one limiter, which is arranged to be broken to, allows stent graft to be converted under swelling state, and (three) are coupled to the self expandable expansion structure of stent graft of the outer surface of multiple first anchoring protrusions adjacent to first end.
