Flap-cover aneurysm stent
First Claim
Patent Images
1. A stent comprising a framework and plurality of flaps;
- flaps which are adjacent one another about the circumference of the stent partially overlapping one another.
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Abstract
A stent may comprise an expandable framework and a plurality of flaps. Adjacent flaps may overlap one another to form a wall region of predetermined shape. The stent may be delivered to an aneurysm site and positioned such that the wall region blocks fluid flow into the aneurysm.
60 Citations
49 Claims
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1. A stent comprising a framework and plurality of flaps;
- flaps which are adjacent one another about the circumference of the stent partially overlapping one another.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- 20. A stent comprising a plurality of overlapping flaps, wherein the stent is constructed and arranged such that the extent of the overlap between a first flap and a second flap decreases upon expansion of the stent.
- 29. A stent comprising a plurality of overlapping flaps, the overlapping flaps forming a patch of a predetermined shape.
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36. A stent comprising a first serpentine band;
- a second serpentine band;
a plurality of interconnecting elements connecting the first serpentine band to the second serpentine band; and
a plurality of flap struts connecting the first serpentine band to the second serpentine band;
each flap strut having a flap extending therefrom;
adjacent flaps overlapping one another to form a wall region of predetermined shape. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
- a second serpentine band;
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44. A method of treating an aneurysm comprising the steps of:
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providing a stent comprising a plurality of overlapping flaps, the overlapping flaps forming a patch of a predetermined shape;
delivering the stent to the aneurysm site; and
orienting the stent such that the flaps cover the aneurysm. - View Dependent Claims (45, 46, 47, 48, 49)
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Specification