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Arterial aspiration

  • US 5,928,192 A
  • Filed: 07/24/1997
  • Issued: 07/27/1999
  • Est. Priority Date: 07/24/1997
  • Status: Expired due to Term
First Claim
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1. An arterial cannula for aspirating a blood vessel and thereby removing loose embolic material within the vessel, the arterial cannula comprising:

  • a cannula having a proximal end, a distal end adapted to enter an artery, and a blood flow lumen extending between the proximal end and an outlet on the distal end, wherein the distal end includes a curved portion extending substantially perpendicularly to a longitudinal axis of the cannula;

    a port proximal the curved portion of the distal end on the cannula proximate to the outlet, the port communicating with a lumen that extends proximally from the port along the cannula; and

    an expandable occluder attached to the cannula between the outlet and the port, the occluder being capable of assuming an expanded condition for occluding a blood vessel.

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