Prosthetic vascular graft
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United States of America Patent
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Aug 20, 2002
Grant Date -
N/A
app pub date -
Oct 24, 1974
filing date -
Oct 24, 1974
priority date (Note) -
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Abstract
A prosthetic vascular graft with walls less than O.8B millimeters in thickness and formed of highly expanded polytetrafluoroethylene with a microscopic superstructure of nodes and interconnecting fibrils, which nodes are substantially uniformly separated by an average distance greater than a typical red cell. The superstructure of the graft controls transmural cellular ingrowth and assures the establishment and maintenance of a thin,viable neointima.
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