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Thrombus retrieval device

  • US 8,702,724 B2
  • Filed: 12/21/2009
  • Issued: 04/22/2014
  • Est. Priority Date: 05/18/2009
  • Status: Active Grant
First Claim
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1. A device for the retrieval of a thrombus from a blood vessel, the device comprising:

  • a delivery tube with a plurality of side holes oriented radially, the delivery tube being insertable into a blood vessel containing a thrombus; and

    one or more thrombus engaging elements for each side hole, each thrombus engaging element comprising a wire and being movable radially of the delivery tube between a retracted configuration in which it is retained within the delivery tube and a deployed configuration in which it projects from the delivery tube through the side hole, wherein each wire has a free end being movable radially of the delivery tube between the retracted and deployed configurations and is configured for piercing a thrombus, wherein a portion of each wire has a semi-circular shape in a radial plane of the delivery tube after deployment and extends from the side hole to the free end in the same circumferential direction as each other one of the thrombus engaging elements.

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