Stent And Stent Delivery Device
First Claim
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1. An implant device comprising:
- a first tubular layer having a first porosity and being woven from at least one wire; and
,a second tubular layer having a second porosity and being woven from at least one wire;
said second tubular layer being located in said first tubular layer;
wherein said second tubular layer is connected to said first tubular layer at a plurality of locations.
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Abstract
In one embodiment according to the present invention, a stent is described having a generally cylindrical body formed from a single woven nitinol wire. The distal and proximal ends of the stent include a plurality of loops, some of which include marker members used for visualizing the position of the stent. In another embodiment, the previously described stent includes an inner flow diverting layer.
72 Citations
20 Claims
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1. An implant device comprising:
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a first tubular layer having a first porosity and being woven from at least one wire; and
,a second tubular layer having a second porosity and being woven from at least one wire;
said second tubular layer being located in said first tubular layer;wherein said second tubular layer is connected to said first tubular layer at a plurality of locations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. The implant device of claim 14, wherein said first woven layer and said second woven layer expand at substantially the same rate and foreshorten by substantially the same amount.
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15. An implant device comprising:
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a first woven layer having a tubular shape and being woven from at least one wire; a second woven layer having a tubular shape and being woven from at least one wire;
said second tubular layer being located in said first tubular layer; and
,one or more attachment members connecting said first woven layer to said second woven layer at a plurality of locations. - View Dependent Claims (16, 17, 18, 19)
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20. An implant device comprising:
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a first tubular layer having a first porosity and being woven from at least one wire; and
,a second tubular layer having a second porosity that is lower than said first porosity and being woven from at least one wire;
said second tubular layer being located in said first tubular layer;wherein said second tubular layer is connected to said first tubular layer at a plurality of locations along a length of said implant device; wherein said first tubular layer and said second tubular layer have the same braid pitch; and
,wherein said second tubular layer is braided and heat-set to have a diameter equal to an inner diameter of said first tubular layer.
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Specification