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US 12,546,038 B2Granted
Atraumatic stent and method and apparatus for making the same
AssigneeBoston Scientific Scimed, Inc.
InventorsSteve Lilburn, Paul K. Norton, Michael E. Zupkofska, Louis Bedard, Glenn Harding
Life of this patent
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Abstract
A method of braiding a stent includes braiding a number of elongate filaments around a mandrel using tensioned braiding carriers without spooling the filaments to the tensioned braiding carriers to form a braided stent having atraumatic ends.
Claims20
A braided stent comprising:
- a plurality of elongate filaments inter-braided to form a braided tubular structure, the filaments being inter-braided at a braiding angle formed at crossing filament locations;
- the braided tubular structure having:
- a first region having a first diameter;
- a second region having a second diameter which is different from the first diameter;
- and
- a transition region extending between the first region and the second region;
- wherein the braiding angle in the first region is 110±3 degrees, the braiding angle in the second region is 110±3 degrees, and the braiding angle in the transition region is 110±3 degrees.
4 more elements
Dependencies are inferred from the claim text.