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Endovascular graft system

  • US 6,273,909 B1
  • Filed: 10/05/1998
  • Issued: 08/14/2001
  • Est. Priority Date: 10/05/1998
  • Status: Expired due to Fees
First Claim
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1. An attachment member for anchoring a graft system at a desired location in a vessel of a patient'"'"'s vascular system, the attachment member comprising:

  • a cranial zone comprising a plurality of interconnected cranial struts, the cranial zone having a first radial strength the cranial struts having a first cross-sectional area;

    a caudal zone comprising a plurality of interconnected caudal struts, the caudal zone having a second radial strength, the caudal struts having a second cross-sectional area; and

    an intermediate zone having multiple joining longitudinal intermediate struts located between and connecting the cranial and caudal zones, the intermediate zone having a third radial strength which is less than the first and second radial strengths, the intermediate struts having a third cross-sectional area which is less than the first and second cross-sectional areas, the cranial and caudal zones being formed from a self-expanding material capable of expanding from a first delivery configuration to a second deployed configuration.

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