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Methods and apparatus for flow restoration

  • US 10,456,151 B2
  • Filed: 10/16/2015
  • Issued: 10/29/2019
  • Est. Priority Date: 02/22/2008
  • Status: Active Grant
First Claim
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1. A removable, integrated apparatus-thrombus mass, comprising a thrombus at least partially engaged with an apparatus, wherein the apparatus comprises:

  • a self-expandable structure comprising a first plurality of cells, the structure having a proximal end and a distal end, the proximal end and the distal end being open, and the first plurality of cells being expanded into at least a portion of the thrombus;

    a tapering portion comprising a second plurality of cells, the tapering portion disposed toward the proximal end of the structure;

    a connection portion, at which the tapering portion converges, located at a proximal end of the tapering portion; and

    a push or guide wire, wherein a distal end of the push or guide wire is non-releasably attached at or adjacent to the connection portion,wherein the apparatus is self-expandable and pre-formed to assume a volume-enlarged form and, in the volume-enlarged form, takes the form of a longitudinally open tube tapering toward the connection portion.

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