Distal protection device and method

  • US 6,152,946 A
  • Filed: 03/05/1998
  • Issued: 11/28/2000
  • Est. Priority Date: 03/05/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A device adapted for deployment in a body vessel, comprising:

  • a filter having a plurality of openings for fluid flow therethrough; and

    a proximally-tapered collapsible frame coupled to the filter and operably coupled to a guidewire, said frame including an expandable mouth coupled to the filter and adapted to operate between an expanded profile and a collapsed profile, and general longitudinal ribs having opposed first and second ends, said first ends being coupled to the guidewire, and said second ends being coupled to the mouth, said ribs being sloped outwardly in an expanded position to form the proximally tapered collapsible frame;

    the frame being biased to expand from the collapsed profile to the expanded profile.

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