STENT GRAFT ASSEMBLY AND METHOD

摘要

The present invention generally concerns a stent graft for implantation in a vessel in a patient. The invention includes two aspects. The first aspect provides a stent graft formed of an expandable metal skeletal structure and having a graft in the form of a polymeric sleeve extending over the stent, and an expandable security ring securing each end of the graft to a corresponding end region of the stent. The second aspect provides inner and outer sleeves enclosing a plurality of separate expandable metallic rings and flexible bands.