Methods for making a supported graft
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United States of America Patent
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Feb 11, 2014
Grant Date -
Apr 25, 2013
app pub date -
Dec 14, 2012
filing date -
Mar 10, 1995
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Abstract
A method for preparing a stent-graft for intraluminal delivery, including positioning an expanded polytetrafluoroethylene (ePTFE) substrate over a support mandrel, coupling a shape memory member to a polymer cladding to form a polymer clad member, winding the polymer clad member in an overlapping helical manner onto a surface of the ePTFE substrate, joining and sealing adjacent overlapping regions of the polymer clad member together and to the surface of the ePTFE substrate to form a stent-graft, manipulating the stent-graft from a larger first diameter to a smaller second diameter, and loading the stent-graft into a restraining sheath at the smaller second diameter.
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