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Endovascular device engagement

  • US 10,076,399 B2
  • Filed: 09/13/2013
  • Issued: 09/18/2018
  • Est. Priority Date: 09/13/2013
  • Status: Active Grant
First Claim
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1. A medical device configured to perform an endovascular therapy, the device comprising:

  • an elongate manipulation member comprising a distal end portion; and

    an intervention member comprising a proximal end portion and a mesh, the proximal end portion being coupled with the distal end portion of the elongate manipulation member, the mesh having a proximal mesh end, a distal mesh end, and a mesh length from the proximal end to the distal end, the mesh having a plurality of cells and being compressible to a collapsed configuration for delivery to an endovascular treatment site through a catheter and being self-expandable from the collapsed configuration to an expanded configuration, and wherein at least a portion of the mesh, from a first location to a second location along the mesh, is configured such that an amount of cell deformation in response to longitudinally directed tensile forces decreases by less than 5% or increases in a distal direction along the portion of the mesh, the first and second locations being longitudinally separated by a distance that is more than half of the mesh length;

    wherein the mesh is generally cylindrical in the absence of external forces;

    wherein, in a longitudinal row of at least three cells, each cell includes first and second struts (i) bounding a proximal portion of the cell and (ii) diverging in a distal direction;

    wherein, in the longitudinal row, each cell distally adjacent to another cell has a larger proximal inscribed strut angle between the first and second struts than has the another cell; and

    wherein the first struts of all cells in the longitudinal row of at least three cells have substantially equal lengths.

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