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US 8,986,366 B2Granted
Flexible stent with improved axial strength
AssigneeBoston Scientific Scimed, Inc.
InventorsTimothy S. Girton, Daniel Gregorich, Brent C. Gerberding
Life of this patent
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Abstract
A stent comprises a generally cylindrical band having a pattern of alternating first and second struts, the first struts being wider than the second struts, the first and second struts being of substantially the same length.
Claims12
A stent comprising:
- serpentine cylindrical bands, each serpentine cylindrical band comprising:
- struts, the struts including first and second struts, wherein the second struts are wider than the first struts;
- and
- turns, each turn engaging two struts, the turns consisting of first turns and second turns, wherein one of the two struts engaged to a first turn is a second strut and each of the two struts engaged to a second turn is a first strut;
- adjacent serpentine cylindrical bands being joined by connectors, the connectors engaged only to first turns, wherein some but not all first turns of a serpentine cylindrical band are engaged to a connector;
- wherein there are more first turns than second turns.
3 more elements
A stent comprising:
- serpentine cylindrical bands, each serpentine cylindrical band comprising:
- struts, the struts including first and second struts, wherein the second struts are wider than the first struts;
- and
- turns, each turn engaging two struts, the turns consisting of first turns and second turns, wherein one of the two struts engaged to a first turn is a second strut and each of the two struts engaged to a second turn is a first strut;
- adjacent serpentine cylindrical bands being joined by connectors, the connectors engaged only to first turns, wherein some but not all first turns of a serpentine cylindrical band are engaged to a connector and each serpentine cylindrical band has more first struts than second struts.
2 more elements
Dependencies are inferred from the claim text.