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Medical implant having a curlable matrix structure

  • US 7,300,458 B2
  • Filed: 01/19/2005
  • Issued: 11/27/2007
  • Est. Priority Date: 07/19/2002
  • Status: Active Grant
First Claim
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1. An expandable medical implant for implantation in a vessel, comprising:

  • a mesh structure comprising a first plurality of mesh cells, the mesh structure having a proximal end and a distal end;

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

    a connection point, at which the tapering portion converges, located at a proximal end of the tapering portion,a first guide wire detachably coupled and proximally extending from the connection point;

    wherein the implant is performed by curling the mesh structure such that a seam extends along the longitudinal axis of the implant;

    wherein the implant is delivered in a volume-reduced form having overlapping edges; and

    wherein the mesh structure partially uncurls such that the implant assumes a volume-enlarged form to provide wall opposition to the vessel, and wherein the volume-enlarged implant takes the form of a tube tapering toward the connection point and the tube further comprises substantially open ends.

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