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Vascular devices and methods with distal protection

  • US 9,402,708 B2
  • Filed: 07/25/2013
  • Issued: 08/02/2016
  • Est. Priority Date: 07/25/2013
  • Status: Active Grant
First Claim
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1. An expandable medical device, comprising:

  • a treatment section forming a cylindrical structure comprising a proximal end and a distal end;

    wherein the cylindrical structure has a curled mesh structure such that a seam extends along a longitudinal axis of the expandable medical device;

    wherein the treatment section is configured to be delivered in a volume-reduced form having overlapping edges; and

    wherein the cylindrical structure is configured to at least partially uncurl to allow the treatment section to assume a volume-enlarged form;

    a filter section attached to the treatment section, forming a conical structure, and comprising (i) a first section, distal to the treatment section, wherein the first section is configured to have overlapping first edges while the treatment section is in the volume-reduced form, and wherein the first edges are configured not to overlap while the treatment section is in the volume-enlarged form; and

    (ii) a second section, distal to the first section, wherein the second section is configured to have overlapping second edges while the treatment section is in the volume-reduced form and while the treatment section is in the volume-enlarged form.

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