Braided stent and method of manufacturing a braided stent
First Claim
Patent Images
1. A method of manufacturing a stent, comprising:
- interweaving one or more filaments around a stent mandrel, the one or more filaments each including a cross-sectional profile having at least one flattened portion, wherein the one or more filaments each include a generally round cross-sectional profile modified to form the at least one flattened portion; and
positioning a flattened portion of a first filament portion of the one or more filaments facing a flattened portion of a second filament portion of the one or more filaments.
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Abstract
A stent may be actuatable between a delivery configuration and a deployed configuration. A stent may include one or more interwoven filaments each including a cross-sectional profile having at least one flattened portion. A flattened portion of a first filament portion of the one or more filaments may be positioned in contact with a flattened portion of a second filament portion of the one or more filaments.
23 Citations
19 Claims
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1. A method of manufacturing a stent, comprising:
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interweaving one or more filaments around a stent mandrel, the one or more filaments each including a cross-sectional profile having at least one flattened portion, wherein the one or more filaments each include a generally round cross-sectional profile modified to form the at least one flattened portion; and positioning a flattened portion of a first filament portion of the one or more filaments facing a flattened portion of a second filament portion of the one or more filaments. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of manufacturing a stent, comprising:
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interweaving one or more filaments, each including a cross-sectional profile having at least one flattened portion, around a stent mandrel such that a plurality of crossing points are formed, wherein the one or more filaments each include a generally round cross-sectional profile modified to form the at least one flattened portion, each of the plurality of crossing points being formed by a lower filament portion and an upper filament portion; orienting a flattened portion of the lower filament portion to face a flattened portion of the upper filament portion at each of the plurality of crossing points; and applying heat energy to a first filament portion of the one or more filaments and a second filament portion of the one or more filaments, the first filament portion having a flattened portion facing a flattened portion of the second filament portion, to form a weld joint between the first filament portion and the second filament portion. - View Dependent Claims (11, 12, 13, 14)
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15. A method of manufacturing a stent, comprising:
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interweaving one or more filaments around a stent mandrel, the one or more filaments each including a cross-sectional profile having at least one flattened portion, wherein the cross-sectional profile defines a perimeter and each flattened portion extends around less than half of the perimeter; and positioning a flattened portion of a first filament portion of the one or more filaments facing a flattened portion of a second filament portion of the one or more filaments. - View Dependent Claims (16, 17, 18, 19)
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Specification