Two-planar vena cava filter with self-centering capabilities

  • US 6,468,290 B1
  • Filed: 06/05/2000
  • Issued: 10/22/2002
  • Est. Priority Date: 06/05/2000
  • Status: Expired due to Term
First Claim
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1. A self-centering vascular filter for placement in a blood vessel comprising:

  • a first and a second plurality of elongate filter wires having a common apex at one end and extending radially outwardly therefrom to an opposed attachment end attachable to a wall of said vessel, said first and second plurality of filter wires being spaced apart a distance selected to retard migration of emboli in said vessel; and

    said first plurality of filter wires having a first length and said second plurality of filter wires having a second length different from said first length so that said attachment ends of said first plurality of filter wires are anchored at a location spaced from the location of anchoring of said attachment ends of said second plurality of filter wires.

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