Secured strand end devices
First Claim
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1. A method of forming a self-expanding stent, the method comprising:
- bending each of a multiple number of strands to yield first strand bends and strand portions on both sides of each said first strand bend, each of the strand portions having an end;
weaving the strand portions, wherein weaving comprises bending to yield second strand bends and back braiding some of the strand portion ends by at least two strand crossings; and
securing each of a multiple number of coupling structures to one pair of said strand portion ends, the pair of said strand portion ends including two strand portion ends of two different strands or the same strand, the number of coupling structures equal to the number of strands, the coupling structures being different than the strands, wherein securing comprises aligning the pairs of strand portion ends end-to-end.
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Abstract
A woven, self-expanding stent device has one or more strands and is configured for insertion into an anatomical structure. The device includes a coupling structure secured to two different strand end portions that are substantially aligned with each other. The two different strand end portions include nickel and titanium. The coupling structure is not a strand of the device.
889 Citations
7 Claims
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1. A method of forming a self-expanding stent, the method comprising:
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bending each of a multiple number of strands to yield first strand bends and strand portions on both sides of each said first strand bend, each of the strand portions having an end; weaving the strand portions, wherein weaving comprises bending to yield second strand bends and back braiding some of the strand portion ends by at least two strand crossings; and securing each of a multiple number of coupling structures to one pair of said strand portion ends, the pair of said strand portion ends including two strand portion ends of two different strands or the same strand, the number of coupling structures equal to the number of strands, the coupling structures being different than the strands, wherein securing comprises aligning the pairs of strand portion ends end-to-end. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification