Combined prosthetic aortic heart valve and vascular graft with sealed sewing ring
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
May 24, 1996
filing date -
May 24, 1996
priority date (Note) -
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Abstract
A combined heart valve and vascular graft, or 'valve/graft combination', wherein the heart valve has a sewing ring that is substantially impervious to blood flow. In our preferred embodiment, the sewing ring comprises a solid circular silicone insert which supports the sewing ring radially outwardly form the valve and forms a shield to prevent the flow of blood through the sewing ring.
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