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Vein filter

  • US 20050165442A1
  • Filed: 07/12/2004
  • Published: 07/28/2005
  • Est. Priority Date: 01/22/2004
  • Status: Active Grant
First Claim
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1. A vessel filter comprising a first region and a second region, the filter movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel, the first region having a filter portion having a converging region to direct particles toward the center of the filter, the first region including a plurality of spaced apart elongated struts and a plurality of connecting struts extending at an angle from the elongated struts, adjacent connecting struts being joined to form closed geometric shapes in the first region, the second region being flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the filter portion, the second region including a vessel engaging portion at the second end portion.

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