Vascular graft device
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United States of America Patent
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-
Apr 1, 2008
Grant Date -
Dec 30, 2004
app pub date -
Apr 9, 2004
filing date -
Apr 17, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vascular graft device includes a semipermeable inner wall surrounding a passage. A nonpermeable outer wall surrounds the inner wall. A biological agent is disposed between the inner and outer walls for release through the inner wall.
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