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Embolus blood clot filter utilizable with a single delivery system or a single retrieval system in one of a femoral or jugular access

  • US 9,326,842 B2
  • Filed: 06/04/2007
  • Issued: 05/03/2016
  • Est. Priority Date: 06/05/2006
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a delivery catheter sheath comprising a generally tubular member having a first end, intermediate end and a second end, the tubular member extending along a longitudinal axis, the first end having an inner surface exposed to the longitudinal axis, the inner surface having a plurality of notches formed on the inner surface, the intermediate end including a boss portion disposed in the tubular member having a plurality of grooves formed in the boss portion; and

    a blood filter comprising;

    a first filter structure comprising at least two elongated members,a second filter structure comprising at least two elongated members,a first link connected between elongated members of the first filter structure at a longitudinal middle section of the elongated members, portions of the first link extending inwardly from the elongated members to a midpoint,anda second link connected between elongated members of the second filter structure at a longitudinal middle section of the elongated members, portions of the second link extending inwardly from the elongated members to a midpoint,whereineach filter structure diverges from the longitudinal axis in opposite directions in a first configuration of the filter structures, andeach filter structure is collapsible into a generally cylindrical shape in a second configuration.

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