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IMPLANTABLE AND LUMEN-SUPPORTING STENTS AND RELATED METHODS OF MANUFACTURE AND USE

  • US 20090105809A1
  • Filed: 11/20/2007
  • Published: 04/23/2009
  • Est. Priority Date: 10/19/2007
  • Status: Abandoned Application
First Claim
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1. An implantable medical stent system, comprising:

  • a radially expandable stent comprising a filamental structure in a pattern surrounding a bore to form a substantially tubular wall along a length relative to a longitudinal axis;

    wherein the filamental structure comprises at least one arcuate crown with a crown peak having a radius of curvature located along a reference axis, and first and second arcuate crown shoulders on first and second sides, respectively, of the reference axis;

    wherein the filamental structure also comprises at least one pair of adjacent first and second elongated struts extending from the first and second crown shoulders, respectively; and

    wherein the arcuate crown peak comprises at least one of (a) a peak width that is greater than at least one of first and second shoulder widths along the first and second respective crown shoulders, (b) an outer radius of curvature about a first center that is offset from a second center of an inner radius of curvature, and (c) a radial expansion characteristic with a strain distribution that is substantially lower than along at least one of the first and second crown shoulders.

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