Stent graft device for treating abdominal aortic aneurysms
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Aug 25, 1998
filing date -
Aug 25, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A stent graft device has an upper main tubular portion dividing into two tubular limbs and is adapted for location in an aorta having an aneurysm. The stent graft device is well suited for an aorta having a restricted section having an inner diameter smaller than the sum of the inner diameters of the iliac arteries, which branch from the aorta. The diameters of the two tubular limbs are sufficiently small to allow for both tubular limbs to be deployed side-by-side in a fully expanded state within the restricted section without being constrained by the aorta inner surface. The limbs also have distal end portions having diameters larger than the diameters of limbs at the area near the restricted section for being retained within the iliac arteries.
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