| 主权项 |
1. Apparatus comprising an endovascular stent-graft, which comprises a generally tubular body, which body (a) is configured to assume a radially-compressed delivery state and a radially-expanded deployment state, and (b) comprises:
a flexible stent member; and a tubular fluid flow guide, which comprises a graft material, and is attached to the stent member, wherein the body includes a compliance-restoration body portion, which extends axially along a portion of the body, and which comprises a portion of the stent member and a portion of the fluid flow guide, wherein, when the body is in the radially-expanded deployment state, the compliance-restoration body portion is (a) characterized by a greatest diastolic outer radius when the body is internally pressurized by fluid having a pressure of 80 mmHg, and (b) radially expandable to a greatest systolic outer radius when the body is internally pressurized by fluid having a pressure of 120 mmHg, and wherein the greatest systolic outer radius is at least 5% greater than the greatest diastolic outer radius. |
