Endoprosthesis having aligned legs for ease of cannulation

摘要

The present disclosure is directed to a branched endoprosthesis comprising a graft component and at least one support component. In various embodiments, the branched endoprosthesis comprises a body portion and at least two leg portions, wherein at least two legs are in an aligned configuration for ease of cannulation. The endoprosthesis comprises a removable restraint (245) aligning the two legs relative to each other. In various embodiments, at least one leg is in an open configuration for ease of cannulation. Cannulation methods are also taught.