Flexible stent with improved axial strength
First Claim
Patent Images
1. A stent comprising:
- struts, the struts comprising;
first struts each having a first width; and
second struts each having a second width greater than the first width;
turns, each turn engaging two struts, and each strut extending between two turns;
the struts and the turns forming first serpentine bands, each first serpentine band including first struts and second struts; and
connectors engaging some but not all the turns of adjacent first serpentine bands;
wherein the second struts extend only from turns engaged to connectors and two second struts extend from each connector.
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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.
56 Citations
12 Claims
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1. A stent comprising:
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struts, the struts comprising; first struts each having a first width; and second struts each having a second width greater than the first width; turns, each turn engaging two struts, and each strut extending between two turns; the struts and the turns forming first serpentine bands, each first serpentine band including first struts and second struts; and connectors engaging some but not all the turns of adjacent first serpentine bands; wherein the second struts extend only from turns engaged to connectors and two second struts extend from each connector. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A stent comprising:
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a plurality of struts comprising; first struts each having a first width; and second struts each having a second width greater than the first width; a plurality of turns, each turn engaging two of the plurality of struts, and each strut extending between two turns; the plurality of struts and the plurality of turns forming serpentine bands; a plurality of connectors engaging some but not all the turns of adjacent serpentine bands; wherein second struts are engaged only to turns engaged to connectors. - View Dependent Claims (9, 10, 11, 12)
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Specification