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SYSTEM AND METHOD FOR TREATING ISCHEMIC STROKE

  • US 20100204672A1
  • Filed: 02/12/2009
  • Published: 08/12/2010
  • Est. Priority Date: 02/12/2009
  • Status: Abandoned Application
First Claim
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1. A method for removing thromboembolic material from a blood vessel in a patient, the method comprising the steps of:

  • providing a catheter having a lumen, the lumen including a distal opening with a fixed inner diameter, and further providing an elongate member extendable through the lumen and having a separator element thereon, the separator element comprising a solid geometric member having a plurality of longitudinal channels;

    inserting the catheter into a blood vessel and positioning the catheter proximally of a body of thromboembolic material;

    applying vacuum pressure through the lumen to draw thromboembolic material towards and into the lumen;

    while applying the vacuum, reciprocating the separator element a plurality of times between a first position within the distal opening and a second position distal to the distal opening, wherein the longitudinal channels fluidly couple the lumen to the blood vessel when the separator element is in the first position.

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