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Self furling umbrella frame for carotid filter

  • US 7,306,619 B1
  • Filed: 10/24/2003
  • Issued: 12/11/2007
  • Est. Priority Date: 08/30/2001
  • Status: Expired due to Term
First Claim
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1. A system for capturing embolic or foreign material in a vessel, comprising:

  • an elongate wire having a proximal end and a distal end;

    a capturing device operatively connected to the elongate wire, having an expanded condition and a contracted position, the capturing device further having an inner surface and an outer surface;

    a plurality of first struts attached to the capturing device inner surface and a plurality of second struts attached to the capturing structure outer surface;

    the first and second struts further comprising at least a portion of a helical configuration; and

    the capturing device assuming a self folding position in the contracted condition as both the first and second struts rotate with respect to the other struts.

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