Titanium alloy self-expanding stent
First Claim
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1. An implantable medical device comprising a tubular, radially compressible, axially flexible and radially self-expandable structure including a plurality of elongate filaments consisting of titanium alloy which are helically wound and interwoven to form a tube, each titanium alloy filament including between about 68 weight percent and 96 weight percent titanium and characterized by a mean elongation less than or equal to 3.1%.
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Abstract
A self-expanding stent formed from helically wound and braided filaments of titanium or titanium alloys such as Ti-13Zr-13Nb.
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Citations
28 Claims
- 1. An implantable medical device comprising a tubular, radially compressible, axially flexible and radially self-expandable structure including a plurality of elongate filaments consisting of titanium alloy which are helically wound and interwoven to form a tube, each titanium alloy filament including between about 68 weight percent and 96 weight percent titanium and characterized by a mean elongation less than or equal to 3.1%.
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28. An implantable medical device comprising a tubular, axially flexible and radially self-expandable structure including a plurality of elongate titanium alloy filaments which are helically wound and interwoven to form a tube, the titanium alloy filaments substantially homogeneous in cross section and length, and the titanium alloy including between about 68 weight percent and 96 weight percent titanium and characterized by a mean elongation less than or equal to 3.1%.
Specification