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Intravascular device utilizing fluid to extract occlusive material

  • US 5,843,022 A
  • Filed: 05/24/1996
  • Issued: 12/01/1998
  • Est. Priority Date: 10/25/1995
  • Status: Expired due to Term
First Claim
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1. A fluid extraction catheter for use in combination with a pressurized fluid system for the extraction of vascular occluding material, the catheter comprising:

  • a. an elongate extraction tube having a proximal end, a distal end, and an extraction lumen extending therethrough;

    b. a fluid input tube coextending inside the extraction tube and longitudinally moveable relative thereto, the fluid input tube having a proximal end, a distal end, more than one port hole disposed adjacent the distal end and a fluid input lumen extending therethrough, wherein the port holes are directed at least partially outwardly and at least partially proximallly; and

    c. an occluding balloon disposed on the extraction tube adjacent the distal end of the extraction tube.

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