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Embolic filtering devices

  • US 20050004595A1
  • Filed: 09/29/2003
  • Published: 01/06/2005
  • Est. Priority Date: 02/27/2003
  • Status: Active Grant
First Claim
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1. An embolic filtering system used to capture embolic debris in a body vessel, comprising:

  • an expandable filter assembly including a self-expanding frame moveable between an expanded position and an unexpanded position;

    a filtering element attached to and movable with the expandable filter;

    a sheath having a distal end portion and a proximal end, the distal end portion of the sheath being adapted to receive the expandable filter assembly for maintaining the filter assembly in the unexpanded position and being movable to expose the filter assembly; and

    a torque device mountable on the elongate member to allow the user to rotate the elongate member, the torque device having a side port adapted to receive the proximal end of the sheath to shear the sheath from the elongate member through retraction of the sheath through the side port.

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