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Fenestrated stent grafts

  • US 7,413,573 B2
  • Filed: 10/12/2004
  • Issued: 08/19/2008
  • Est. Priority Date: 10/10/2003
  • Status: Active Grant
First Claim
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1. A stent graft comprising a tubular body defined by a tubular wall and comprising a first end and a second end, an internal terminal zig zag self expanding stent in the tubular body at at least the first end, the zig zag stent comprising struts and bends between the struts, at least one scalloped fenestration in the tubular wall provided at the first end of the tubular wall, the at least one scalloped fenestration including a periphery, the periphery extending between at least two pairs of adjacent struts thereby defining an uncovered adjacent pair of struts and a bend therebetween in the scalloped fenestration and a resilient wire stitched around at least a portion of the periphery, whereby the resilient wire provides dimensional stability to the fenestration.

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