Exterior supported self-expanding stent-graft
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United States of America Patent
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Feb 11, 2003
Issued Date -
N/A
app pub date -
Jul 21, 1997
filing date -
Aug 31, 1994
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Abstract
This is a medical device and a method of using it. The device is a foldable stent-graft which may be percutaneously delivered with (or on) an endovascular catheter, via surgical techniques or using other suitable techniques and then expanded. The stent-graft uses a kink-resistant stent structure and an interior graft which is attached to the stent in such a way that the graft does not kink and yet the stent is able to conform to curves in the blood vessel lumen. The expandable stent structure preferably has a helically deployed torsional member with an undulating shape which is wound to form the generally cylindrical shape deployed as the stent. The helical winding desirably is aligned to allow undulations in adjacent turns of the helix to be in phase. The adjacent undulating shapes are held in that phased relationship using a flexible linkage, typically made of a polymeric material. The graft component cooperating with the stent is tubular and mounted on the interior of the stent. Although it may be made of any variety of materials, it preferably is an expanded polyfluorocarbon. The graft component may be bound to the flexible linkage which holds the stent windings in phase (or the stent structure itself) at a number of sliding attachment points.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- W. L. GORE & ASSOCIATES, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lau, Lilip | Sunnyvale, CA | 147 | 16223 |
Maroney, Charles | Portola Valley, CA | 4 | 334 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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