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Device and method for treating vascular occlusion

  • US 10,045,790 B2
  • Filed: 03/22/2017
  • Issued: 08/14/2018
  • Est. Priority Date: 09/24/2012
  • Status: Active Grant
First Claim
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1. A method for removal of thrombus from a peripheral blood vessel in a body of a patient, the method comprising:

  • providing a thrombus extraction device comprising a scaffold member formed of a tubular fenestrated structure with an open proximal end having a perimeter and an open distal end, a capture member formed of a mesh structure which is fixedly attached to the proximal end of the scaffold member, and a pusher connected to a proximal end of the mesh structure;

    advancing a catheter constraining the thrombus extraction device through the thrombus located in the peripheral vasculature of a patient'"'"'s body;

    deploying the thrombus extraction device, wherein the deployed thrombus extraction device comprises an everted distal portion of the capture member, wherein deploying the thrombus extraction device comprises expanding the scaffold member and expanding the everted distal portion of the capture member, and wherein deploying the thrombus extraction device comprises advancing a portion of the capture member through the scaffold member to create the everted distal portion of the capture member;

    retracting the thrombus extraction device to capture thrombus within the everted distal portion of the capture member; and

    withdrawing the thrombus extraction device from the body of the patient.

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