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FILAMENTARY DEVICES FOR TREATMENT OF VASCULAR DEFECTS

  • US 20090275974A1
  • Filed: 05/01/2009
  • Published: 11/05/2009
  • Est. Priority Date: 05/02/2008
  • Status: Active Grant
First Claim
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1. A device for treatment of a patient'"'"'s vasculature, comprising:

  • a self-expanding resilient permeable shell having a proximal end, a distal end, a longitudinal axis and further comprising;

    a plurality of elongate resilient filaments with a woven structure secured relative to each other at proximal ends and distal ends thereof,a radially constrained elongated state configured for delivery within a microcatheter with the thin woven filaments extending longitudinally from the proximal end to the distal end radially adjacent each other along a length of the filaments, andan expanded relaxed state with a globular and longitudinally shortened configuration relative to the radially constrained state with the woven filaments forming the self-expanding resilient permeable shell in a smooth path radially expanded from the longitudinal axis between the proximal end and distal end including a plurality of openings in the shell formed between the woven filaments, the largest of said openings being configured to allow blood flow through the openings at a velocity below a thrombotic threshold velocity.

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