Patent ID: 8870938

Claim:
Apparatus for use with a delivery catheter, the apparatus comprising an endovascular sealing stent-graft, which is configured to initially be positioned in the delivery catheter in a radially-compressed state, and to assume a radially-expanded state upon being deployed from the delivery catheter, and which comprises: a structural member, which comprises a plurality of structural stent elements, and which, when the stent-graft assumes the radially-expanded state, has a generally tubular shape, and is shaped so as to define at least two elongated indentations, each of which (a) extends rostrally to a rostral end of the structural member, (b) is tapered in a caudal direction until the indentation converges with the generally tubular shape of the structural member, (c) has an axial length of at least 2 cm, and (d) defines a concave surface that is open to an exterior of the stent-graft along the entire axial length of the indention; and a fluid flow guide, which comprises at least one biologically-compatible substantially fluid-impervious flexible sheet, and which is coupled to at least a portion of the structural member, and covers at least a portion of each of the elongated indentations.