Patent US5916264A successfully refreshed from Google Patents.
US5916264A
Expired / Lapsed
US
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Stent graft
Assignee: Abbott Laboratories Vascular Enterprises Ltd
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Filing: 1998-03-26
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Granted: 1999-06-29
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Expires: 2018-03-26
Abstract
Abstract A stent graft has two coaxially arranged, radially expandable stents, and a flexible, stretchable material layer arranged between the stents. Both stents are directly connected with one another in their end regions and the material layer is formed as a fabric band wound around an inner stent.
Inventors
- 👤 Randolf Von Oepen
- 👤 Nikolaus Reifart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:58
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/82; A61F2/852; A61F2/86; A61F2/89; A61F2/90; A61F2/91; A61F2002/075; A61F2220/00; A61F2220/0025; A61F2220/005; A61F2220/0058; A61F2250/00; A61F2250/0004; A61F2250/0007; A61F2250/0058; A61F2250/006; A61F2250/0063
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
52 words
A stent graft, comprising two coaxially arranged, radially expandable stents, both said stents being directly connected with one another in their end regions; and a flexible, stretchable material layer arranged between said stents, said material layer being formed as a fabric band which is wound around an inner one of said stents.
Claim 2
Dependent Claim
52 words
A stent graft, comprising two coaxially arranged, radially expandable stents, both said stents being directly connected with one another in their end regions; and a flexible, stretchable material layer arranged between said stents, said material layer being formed as a fabric band which is wound around an inner one of said stents.
Claim 3
Dependent Claim
19 words
A stent graft as defined in claim 1, wherein said material layer overlaps only a part of said stents.
Claim 4
Dependent Claim
22 words
A stent graft as defined in claim 1, wherein both said stents are punctually connected with one another in their end regions.
Claim 5
Dependent Claim
22 words
A stent graft as defined in claim 1 wherein said material layer is formed as a hose-shaped element composed of a foil.
Claim 6
Dependent Claim
22 words
A stent graft as defined in claim 1, wherein said material layer is formed as a hose-shaped element composed of a fabric.
Claim 7
Dependent Claim
28 words
A stent graft as defined in claim 1, wherein said material layer is formed as a foil band which is wound around an inner one of said stents.
Claim 8
Dependent Claim
16 words
A stent graft as defined in claim 1, wherein said material layer is composed of polythetrafluorethylene.
Claim 9
Dependent Claim
16 words
A stent graft is defined in claim 1, wherein said material layer is formed of polyethylenteraphthalate.
Claim 10
Dependent Claim
18 words
A stent graft as defined in claim 1, wherein said material layer is composed of a biological material.
Claim 11
Dependent Claim
16 words
A stent graft as defined in claim 1, wherein said biological material is an autologous material.
Claim 12
Dependent Claim
16 words
A stent graft as defined in claim 9 wherein said biological material is a homologous material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-06-28 | 2002-12-28 | 2003-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-06-28 | 2006-12-28 | 2007-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-06-28 | 2010-12-28 | 2011-06-29 | $7700.00 | Window Closed / Lapsed |