Conduit vascular implant sealing device for reducing endoleaks

A sealing device for use as a vascular implant comprising:

• a frame, the frame having an inflow edge and an outflow edge relative to axial blood flow within a vessel, wherein an at least partial axial extent of the frame is configured to decrease in axial length when expanded from a radially compressed configuration to a radially expanded configuration;
• and
• a membrane layer coupled to the at least partial axial extent of the frame between the inflow edge and the outflow edge of the frame, wherein the membrane layer is coupled to an outer surface of the at least partial axial extent of the frame at one or more axially spaced connection points such that at least a portion of the membrane layer projects radially outward relative to the frame when the at least partial axial extent of the frame is in the radially-expanded configuration, the portion of the membrane layer being included between the one or more axially spaced connection points such that the transverse curvilinear extent does not have underlying frame members.