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Vascular device for emboli, thrombus and foreign body removal and methods of use

  • US 9,283,066 B2
  • Filed: 12/16/2013
  • Issued: 03/15/2016
  • Est. Priority Date: 07/30/1999
  • Status: Expired due to Fees
First Claim
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1. An embolic protection filtering device, comprising:

  • an elongate shaft having a proximal region, a distal region, and a longitudinal axis;

    a first filter affixed to the shaft adjacent the distal region, the first filter movable between a collapsed position and an expanded position;

    a second filter coupled to the shaft, the second filter movable between a collapsed position and an expanded position,wherein the first filter and the second filter in their respective expanded positions are disposed asymmetrically with respect to the longitudinal axis of the elongate shaft;

    a nose assembly having a proximal end and a distal end, the nose assembly affixed to the shaft adjacent to and distal of the distal-most filter;

    a delivery sheath slidably disposed over the elongate shaft, the delivery sheath having a first outer diameter, andwherein the nose assembly has a diameter which tapers distally from a first diameter substantially equal to the first outer diameter of the delivery sheath to a second lesser diameter.

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