Image-guided extraluminal occlusion

A method for occluding an anatomical structure having a lumen, the method comprising:

• providing near-real-time imaging of a target region of a body of a patient, the target region including an occlusion site on the anatomical structure;
• introducing percutaneously into the body of the patient an elongated, tubular delivery device;
• under guidance of the imaging and without direct or endoscopic visualization, advancing the delivery device through an extraluminal space within the patient's body to an occlusion site outside the lumen of the anatomical structure;
• under guidance of the imaging and without direct or endoscopic visualization, advancing a deformable occlusion member through the leading end of the delivery device, the deformable occlusion member comprising first and second transversely expandable segments;
• and
• expanding the expandable segments with the anatomical structure longitudinally between them, thereby engaging the exterior of the anatomical structure and occluding the anatomical structure wherein the act of advancing the deformable occlusion member includes advancing the deformable occlusion member through a first wall of the anatomical structure, across the lumen, and through a second wall of the anatomical structure;
• and the act of expanding the expandable segments includes transversely expanding the first expandable segment after it has passed through the second wall of the anatomical structure, retracting the deformable occlusion member to urge the expanded first expandable segment against the outside of the second wall and to position the second expandable segment outside the first wall, and expanding the second expandable segment outside the first wall.