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SLEEVES FOR EXPANDABLE MEDICAL DEVICES

  • US 20140046430A1
  • Filed: 10/23/2013
  • Published: 02/13/2014
  • Est. Priority Date: 11/16/2010
  • Status: Active Grant
First Claim
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1. A device for treating a vessel comprising:

  • an expandable stent graft having a main lumen and a target portion;

    a sleeve wrapped circumferentially around the expandable stent graft, wherein the sleeve comprises a sheet of material having opposite first and second major surfaces, the sleeve having a first plurality of openings and a second plurality of openings each extending between the first major surface and the second major surface, the sleeve having a lateral opening proximate to the target portion and extending between the first major surface and the second major surface;

    a primary coupling member cooperating with the first plurality of openings for releasably coupling portions of the sheet of material to one another to form a first seam to constrain the expandable stent graft in a collapsed configuration for delivery within the vessel; and

    a secondary coupling member cooperating with the second plurality of openings for releasably coupling portions of the sheet of material to one another to form a second seam to restrict expansion of the expandable stent graft toward an intermediate configuration after displacement of the primary coupling member from the first plurality of openings, the intermediate configuration being larger than the collapsed configuration and smaller than a fully deployed configuration engaged with the vessel.

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