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Stent

  • US 6,796,998 B2
  • Filed: 10/09/2001
  • Issued: 09/28/2004
  • Est. Priority Date: 10/10/2000
  • Status: Active Grant
First Claim
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1. A stent for expansion from a first condition into an expanded second condition in which it holds a vessel in an expanded state, comprising:

  • a tubular body having a peripheral surface that is formed by a plurality of annular support portions that each comprise;

    a plurality of bar elements; and

    a plurality of connecting bars that connect the bar elements in a longitudinal direction of the stent;

    wherein the bar elements or at least a first annular support portion and a second annular support portion in adjacent relationship in a first direction extend in a meander configuration in a peripheral direction of the stent, wherein each of the connecting bars projecting from the second annular support portion connects to a turning point of the first annular support portion, which faces in the first direction, such that at least two connecting bars in adjacent relationship respectively and projecting from two different turning points of the first annular support portion connect to the second annular support portion at a turning point which faces in a second direction in opposite relationship to the first direction, and such that the first annular support portion has first and second turning points that are in adjacent relationship in the peripheral direction of the stent that face in the first direction and each of the first and second, turning points engages with exactly one connecting bar wherein the exactly one connecting bars engaging the first and second turning points connect to different turning points of the second annular support portion and between which a third turning point is located, the third turning point facing in the second direction and the third turning point engages two connecting bars of an annular support portion in adjacent relationship in the second direction with the first annular support portion with bar elements that extend in a meander configuration in the peripheral direction of the stent.

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