| 主权项 |
1. A device for implantation into a body lumen having a low profile implantation diameter, comprising:
an expandable stent member having apices at at least one end with an eyelet disposed at each of the apices, wherein said stent member is capable of securing said device into a body lumen; a plurality of attachment tethers looped through each of the eyelets; a generally tubular graft having a lumen extending therethrough for the flow of bodily fluid, said graft comprising a first open end, a second open end, and a graft wall having an interior surface and an opposed exterior surface, said graft wall comprising a plurality of layers with internal layers disposed between the interior surface and the opposed exterior surface; wherein the eyelets, the apices having the eyelets and the plurality of attachment tethers are disposed over a portion of the exterior surface of the graft near the first open end of the graft; and an attachment flap; wherein material from at least one of the internal layers forming the graft wall is extended and folded over at said first end to define said attachment flap which covers the eyelets, covers the apices having the eyelets and covers at least a portion of the plurality of attachment tethers; and wherein the attachment flap is secured over the portion of the exterior surface of the graft near the first open end and over the at least portion of the plurality of attachment tethers to define a plurality of attachment sites thereat. |
