| 摘要 |
<p num="1"><br/><br/><br/>A stent may comprise a helically wound ribbon of material. The stent may <br/>comprise a plurality of ribbon turns about a longitudinal axis of the stent. <br/>Upon expansion of the stent, the diameter of the stent may increase and the <br/>number of ribbon turns may decrease. Upon expansion of the stent, the width of <br/>the ribbon may increase. The length of the stent may be the same in unexpanded <br/>and expanded states.<br/>
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