Differentially expanded vascular graft
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United States of America Patent
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Dec 28, 2010
Grant Date -
Jul 13, 2006
app pub date -
Dec 31, 2004
filing date -
Dec 31, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A differentially expanded vascular graft for implantation within a body includes a PTFE tube formed of a homogeneous material. The PTFE tube has a longitudinal first portion which has been longitudinally expanded, and a longitudinal second portion which has been longitudinally expanded. The first and second portions have respective microstructures which are different from one another. A method and apparatus for making the differentially expanded vascular graft of the present invention facilitates the formation of the various expanded portions of the PTFE tube.
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