Flexible-expandable stent
DCFirst Claim
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1. A stent formed of a tube having a patterned shape, the patterned shape comprising:
- a. even first meander patterns having axes extending in a first direction;
b. odd first meander patterns also having axes extending in said first direction, wherein, after expansion of said stent, said odd first meander patterns are out of phase with said even first meander patterns, and wherein said odd first meander patterns occur between every two even first meander patterns;
c. second meander patterns having axes extending in a second direction, different than said first direction, wherein said second meander patterns intersect with said even and odd first meander patterns to form a distributed structure;
d. wherein said first meander patterns have loops;
e. wherein said first meander patterns are spaced apart to leave a portion of said second meander patterns between each pair of adjacent first meander patterns; and
f. wherein each of said second meander patterns has at least one loop between at leave one pair of adjacent first meander patterns.
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Abstract
There is disclosed a stent for implanting in the body. The stent is formed of a tube having a patterned shape which has first and second meander patterns having axes extending in first and second directions. The first meander patterns can be formed into even and odd first meander patterns. The even and odd first meander patterns are 180° out of phase with each other and the odd patterns occur between every two even patterns. The second meander patterns are intertwined with the first meander patterns. The first and second directions can be orthogonal to each other. The second meander patterns can also be formed of even and odd patterns.
554 Citations
29 Claims
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1. A stent formed of a tube having a patterned shape, the patterned shape comprising:
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a. even first meander patterns having axes extending in a first direction; b. odd first meander patterns also having axes extending in said first direction, wherein, after expansion of said stent, said odd first meander patterns are out of phase with said even first meander patterns, and wherein said odd first meander patterns occur between every two even first meander patterns; c. second meander patterns having axes extending in a second direction, different than said first direction, wherein said second meander patterns intersect with said even and odd first meander patterns to form a distributed structure; d. wherein said first meander patterns have loops; e. wherein said first meander patterns are spaced apart to leave a portion of said second meander patterns between each pair of adjacent first meander patterns; and f. wherein each of said second meander patterns has at least one loop between at leave one pair of adjacent first meander patterns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An expandable stent formed of an elongated cylindrical unitary tube suitable for insertion into a lumen or blood vessel in which it may be expanded, comprising:
- a plurality of first meanders extending in a first direction on the cylinder of the tube and a plurality of second meanders extending in a second direction, on the cylinder of the tube, wherein the first and second meanders are formed with loops and are interconnected such that at least one of the loops of each of the first meanders is disposed between each consecutive second meander to which the first meander is connected, and at least one of the loops of each of the second meanders is disposed between each consecutive first meander to which it is connected;
the first and second meanders defining a plurality of enclosed spaces. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
- a plurality of first meanders extending in a first direction on the cylinder of the tube and a plurality of second meanders extending in a second direction, on the cylinder of the tube, wherein the first and second meanders are formed with loops and are interconnected such that at least one of the loops of each of the first meanders is disposed between each consecutive second meander to which the first meander is connected, and at least one of the loops of each of the second meanders is disposed between each consecutive first meander to which it is connected;
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21. A stent formed of a tube having a patterned shape, the patterned shape comprising:
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a. first meander patterns having axes extending in a first direction; b. second meander patterns having axes extending in a second direction, different than said first direction, wherein said second meander patterns intersect with said first meander patterns; c. wherein said first meander patterns have loops; d. wherein said first meander patterns are spaced apart to leave a portion of said second meander patterns between each pair of adjacent first meander patterns; e. wherein each of said second meander patterns has at least one loop between at least one pair of adjacent first meander patterns. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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Specification