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Endovascular filter

  • US 20020193828A1
  • Filed: 06/14/2002
  • Published: 12/19/2002
  • Est. Priority Date: 06/14/2001
  • Status: Abandoned Application
First Claim
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1. A collapsible vena cava filter for introduction into a blood vessel of a patient comprising:

  • an apical hub;

    a plurality of struts secured to and diverging from said apical hub, each of said plurality of struts terminating in holding mechanisms that engage the walls of the blood vessel to secure the filter in a selected location therein;

    filter media connected to said struts and spanning the space between the struts;

    a bioactive coating applied to the surfaces of said filter to prevent the growth of tissue that would interfere with removal of the filter as well as medicate the patient; and

    wherein said layer of bioactive material contains from about 0.1 to 10.0 μ

    g/mm2, more preferably about 1.0 to 5.0 μ

    g/mm2, and most preferred about 3.0 μ

    g/mm2 of the coated surface area.

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