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Catheter for removal of an organized embolic thrombus

  • US 9,149,609 B2
  • Filed: 05/14/2008
  • Issued: 10/06/2015
  • Est. Priority Date: 10/16/2006
  • Status: Active Grant
First Claim
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1. A catheter for removal of an embolic thrombus comprising:

  • a capture sheath;

    a flexible capture sleeve having an expanded conformation and an unexpanded conformation;

    a grasping mechanism comprising plurality of flexible fingers and having an expanded conformation and an unexpanded conformation, said grasping mechanism attached to the distal end of a first elongated tube;

    an elongated guidewire having a proximal end and a distal end and having an occlusion balloon affixed to said elongated guidewire near said distal end, said elongated guidewire being slideable within said grasping mechanism such that said occlusion balloon is extendable distally beyond said grasping mechanism;

    wherein said capture sheath, said flexible capture sleeve, said grasping mechanism and said elongated guidewire form a telescopic system; and

    wherein said grasping mechanism, in said unexpanded conformation, defines a passageway to and through said first elongated tube; and

    wherein at least one of said plurality of flexible fingers includes a serrated edge, an adjacent shorter smooth edge, an opposed serrated edge, and an adjacent opposed shorter smooth edge, wherein an elongated smooth surface is located between said opposed serrated edges and, and an elongated smooth surface is located between said opposed smooth edges.

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