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Methods for reducing distal embolization

  • US 6,652,480 B1
  • Filed: 11/10/1999
  • Issued: 11/25/2003
  • Est. Priority Date: 03/06/1997
  • Status: Expired due to Fees
First Claim
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1. A method for the evacuation of an occlusive substance from the wall of a blood vessel, comprising:

  • positioning a distal end of a guidewire proximal to at least a portion of the occlusive substance on the wall of said blood vessel;

    introducing an aspiration catheter over said guidewire;

    aspirating through the aspiration catheter while crossing the site of the occlusive substance with both the distal end of the guidewire and a distal end of the aspiration catheter;

    removing the aspiration catheter from the blood vessel; and

    advancing a therapy catheter into the blood vessel to treat the occlusive substance after removing the aspiration catheter.

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