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Fluid delivery and treatment device and method of use

  • US 10,350,386 B2
  • Filed: 10/12/2015
  • Issued: 07/16/2019
  • Est. Priority Date: 09/07/2010
  • Status: Active Grant
First Claim
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1. A method comprising the steps of:

  • inserting a treatment device into a vessel, the treatment device comprising a procedure sheath, an expandable infusion segment comprising a plurality of expandable arms, each having at least one pressure responsive infusion port in fluid communication with a fluid source, and an expandable capture sheath;

    wherein the expandable infusion segment is configured to alternate between a first shape and a second shape and the at least one pressure responsive infusion port configured to open under a predetermined pressure;

    advancing the expandable infusion segment to a site of a thrombus mass;

    delivering fluid to the site of the thrombus mass through the at least one pressure responsive infusion port while the expandable infusion segment is at the first shape;

    retracting the expandable infusion segment in a proximal direction, the expandable infusion segment bringing the thrombus mass into the expandable capture sheath; and

    delivering an aspiration force through the treatment device for removal of the thrombus mass from the vessel.

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