Venous valve and graft combination
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United States of America Patent
Stats
-
Apr 6, 2004
Grant Date -
Sep 11, 2003
app pub date -
Mar 5, 2002
filing date -
Mar 5, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A synthetic venous valve and graft combination that exerts no radial force at the valve site is disclosed. The trilobed valve (11) is passively actuated by venous blood pressure changes. When open, the aperture for blood flow is approximately that of the original vein. The prosthesis is useful for replacing nonfunctioning venous valves in the human vasculature.
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