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Direct access atherectomy devices and methods of use

  • US 8,882,782 B2
  • Filed: 10/07/2013
  • Issued: 11/11/2014
  • Est. Priority Date: 01/14/2002
  • Status: Expired due to Fees
First Claim
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1. A method for aortic atherectomy, comprisinginserting a cannula system into the aorta upstream of the inominate artery, the cannula comprising:

  • a first lumen that extends from a proximal end outside of the blood vessel to a first distal port positioned in the interior of the blood vessel;

    a second lumen that extends from a proximal end outside of the blood vessel to a second distal port positioned in the interior of the blood vessel; and

    a third lumen that extends from a proximal end outside of the blood vessel to a third distal port positioned in the interior of the blood vessel;

    infusing oxygenated blood through the third lumen for arterial blood perfusion;

    inserting an atherectomy assembly through the second lumen and into the aorta; and

    removing an aortic atheroma by operating the atherectomy assembly.

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