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Tapered endovascular stent graft and method of treating abdominal aortic aneurysms and distal iliac aneurysms

  • US 6,773,454 B2
  • Filed: 01/02/2001
  • Issued: 08/10/2004
  • Est. Priority Date: 08/02/2000
  • Status: Active Grant
First Claim
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1. An endovascular stent comprising:

  • a generally cylindrical cephalic section structured and configured to expand against a wall of a blood vessel, wherein the cephalic section defines a cephalic lumen and has a cross-sectional area;

    a caudal section structured and arranged to be inserted into at least a portion of an aneurysm of the blood vessel, wherein the caudal section does not expand against the entire aneurysm when placed into the aneurysm, and wherein the caudal section defines a caudal lumen and has a cross-sectional area smaller than the cross-sectional area of the cephalic section; and

    a tapered mid-section attached to said cephalic section and said caudal section, wherein said caudal section is connected to said cephalic section and said mid-section surrounds said connection between said caudal section and said cephalic section.

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