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METHODS AND DEVICES FOR CLOTS AND TISSUE REMOVAL

  • US 20180014840A1
  • Filed: 01/21/2017
  • Published: 01/18/2018
  • Est. Priority Date: 07/12/2016
  • Status: Active Grant
First Claim
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1. A clot removal device, comprising:

  • an aspiration catheter having at least one axial lumen;

    a rotational device having a rotating shaft having a distal end, and an expandable braid attached to the distal end of the shaft and extending through the lumen of the aspiration catheter, wherein the expandable braid is delivered to a treatment site where blood clots are located from a first delivery position to a second clot engagement position, wherein in the first delivery position the expandable braid is in an unexpanded state inside the aspiration catheter having a first diameter, and wherein in the second position, the expandable braid is in a partially expanded position, having a second diameter that is greater than the first diameter when deployed outside the aspiration catheter and into clots, wherein the braid expands outwardly during rotations and macerates surrounding clots as the braid expands to its expanded state, and wherein the braid rotates concentrically along its longitudinal axis and expands radially as the braid rotates.

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