Stent having an expandable web structure
First Claim
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1. A stent comprising:
- a tubular body having a proximal, a distal end, and a lumen extending therebetween, the tubular body having a wall defining a web structure configured for expansion from a collapsed delivery configuration to an expanded deployed configuration, the web structure comprising a plurality of neighboring web patterns of alternating concavities that extend circumferentially around the wall, each of the web patterns including a plurality of arcuate struts interconnected by bends, and neighboring web patterns being connected by two or more X-shaped transition sections, each X-shaped transition section being formed by a junction between a pair of bends of opposite curvatures.
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Abstract
A stent comprises a tubular flexible body composed of a web structure that is expandable from a contracted delivery configuration to a deployed configuration and that comprises neighboring web patterns of alternating concavities extending circumferentially and adjoined by X-shaped transition sections. The web pattern may comprise either arcuate struts interconnected by bends, or a plurality of substantially straight sections with the transition sections formed by the junctions between pairs of adjacent bends of opposite curvatures.
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Citations
37 Claims
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1. A stent comprising:
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a tubular body having a proximal, a distal end, and a lumen extending therebetween, the tubular body having a wall defining a web structure configured for expansion from a collapsed delivery configuration to an expanded deployed configuration, the web structure comprising a plurality of neighboring web patterns of alternating concavities that extend circumferentially around the wall, each of the web patterns including a plurality of arcuate struts interconnected by bends, and neighboring web patterns being connected by two or more X-shaped transition sections, each X-shaped transition section being formed by a junction between a pair of bends of opposite curvatures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 27, 28)
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19. A stent comprising:
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a tubular body having a proximal end, a distal end, and a lumen extending therebetween, the tubular body having a wall defining a web structure configured for expansion from a collapsed delivery configuration to an expanded deployed configuration, the web structure comprising a plurality of neighboring web patterns of alternating concavities that extend circumferentially around the wall, each of the web patterns including a plurality of arcuate struts interconnected by bends, each of the arcuate struts comprising at least one substantially straight section, the neighboring web patterns being connected by two or more X-shaped transition sections, and each X-shaped transition sections being formed by a junction between a pair of adjacent bends of opposite curvatures. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification