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Temporary vascular filter

  • US 6,325,815 B1
  • Filed: 09/21/1999
  • Issued: 12/04/2001
  • Est. Priority Date: 09/21/1999
  • Status: Expired due to Term
First Claim
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1. A collapsible filter system comprising:

  • a) a mandrel having a distal end and a proximal end; and

    b) a filter carried along the mandrel, the filter comprising a radially expandable body having a proximal end a distall end, the body being formed of a porous, resilient fabric having pores therein through which a body fluid may pass, but which restrict passage therethrough of particulate material entrained in the body fluid;

    c) a proximally oriented hole passing through the fabric along a proximal length of the filter'"'"'s body, the hole being spaced distally along a proximal end of the body and being at least about ten times the size of said pores.

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