Methods and apparatus for treating aneurysms and other vascular defects
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United States of America Patent
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Issued Date -
Sep 30, 2004
app pub date -
Mar 25, 2003
filing date -
Mar 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Devices and methods are disclosed for placing a barrier across the neck of a vascular aneurysm, and specifically across the neck of a cerebrovascular aneurysm. The barrier is a stent or neck bridge that completely or partially blocks the flow of blood into the aneurysm and, further, prevents the migration of embolic coils out of the aneurysm and into the parent vessel. The neck bridge or stent of the present invention comprises elements for superior flexibility and stability when placed within the parent vessel. The neck bridge or stent of the present invention is loaded into the catheter by either being rolled tightly and sheathed or stretched to permit loading into the delivery catheter in a small, highly flexible configuration that may be advanced through the cerebrovasculature to pathological aneurysms.
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