Patent ID: 8715218

Claim:
A graft comprising: a blood flow conduit, the blood flow conduit located within the graft and configured to provide a fluid pathway for blood flow between an inflow end and an outflow end of the graft; a reservoir formed between the blood flow conduit and an outer wall of the graft; a collapsible portion of the blood flow conduit, the collapsible portion configured to decrease the blood flow through the blood flow conduit by collapsing as a result of an increase in pressure within the reservoir; an expandable portion of the blood flow conduit, the expandable portion configured to expand into the reservoir due to blood pressure pushing the expandable portion into the reservoir to thereby increase the pressure within the reservoir by expanding into the reservoir as a result of increased blood pressure at the outflow end of the graft such that the collapsible portion is configured to collapse in response to the expansion of the expandable portion.