Stent configurations
First Claim
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1. A stent comprising:
- an expandable framework defining a plurality of cells, said framework comprising a plurality of adjacent annular elements connected by interconnecting elements, each annular element comprising a plurality of closed segments, each closed segment defining a V-shaped cell, each closed segment comprising a first strut and a second strut, each first and second strut defining a curved portion;
the V-shaped cells of a first annular element oriented in a first direction, the V-shaped cells of a second annular element oriented in a second direction, each curved portion of the first annular element aligned about a common stent circumference that defines a midline of the first annular element, said midline dividing each V-shaped cell of the first annular element into a first portion and a second portion, the second portion comprising a mirror image of the first portion taken across said midline.
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Abstract
Improved stent configurations exhibiting limited recoil, resistance to compression and improved longitudinal flexibility are disclosed. The stent comprised of a plurality of annular elements aligned to form a cylindrical stent body. The annular elements are comprised of a plurality of open, generally boomerang-shaped segments interconnected top-to-bottom around each of the annular elements. Adjacent annular elements are interconnected by interconnecting element.
76 Citations
16 Claims
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1. A stent comprising:
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an expandable framework defining a plurality of cells, said framework comprising a plurality of adjacent annular elements connected by interconnecting elements, each annular element comprising a plurality of closed segments, each closed segment defining a V-shaped cell, each closed segment comprising a first strut and a second strut, each first and second strut defining a curved portion; the V-shaped cells of a first annular element oriented in a first direction, the V-shaped cells of a second annular element oriented in a second direction, each curved portion of the first annular element aligned about a common stent circumference that defines a midline of the first annular element, said midline dividing each V-shaped cell of the first annular element into a first portion and a second portion, the second portion comprising a mirror image of the first portion taken across said midline. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification