US5925075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intraluminal stent graft
Assignee: W.L. Gore and Associates Inc
•
Filing: 1997-06-11
•
Granted: 1999-07-20
•
Expires: 2017-06-11
Abstract
Abstract A tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10 mm thick. The covering may be on the exterior surface of the stent, or on the interior surface of the stent, or both. The covering may be affixed to the stent by an adhesive which is preferably fluorinated ethylene propylene.
Inventors
- 👤 David J. Myers
- 👤 James D. Lewis
- 👤 Wayne D. House
- 👤 Karl E. Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61L; A61L31/00; A61L31/08; A61L31/10; A61F2/86; A61F2/90; A61F2002/072; A61F2002/075; A61F2210/00; A61F2210/0014; A61F2240/00; A61F2240/001; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005; Y10T156/1028; Y10T156/1033; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
41 words
A tubular intraluminal graft comprising a length of wire having a surface, said wire having a covering of porous expanded polytetrafluoroethylene about the surface of the wire to create a covered wire, said covered wire being formed into a tubular stent.
Claim 2
Dependent Claim
41 words
A tubular intraluminal graft comprising a length of wire having a surface, said wire having a covering of porous expanded polytetrafluoroethylene about the surface of the wire to create a covered wire, said covered wire being formed into a tubular stent.
Claim 3
Dependent Claim
18 words
A graft according to claim 1 wherein said stent is provided with a covering of porous expanded polytetrafluoroethylene.
Claim 4
Dependent Claim
18 words
A graft according to claim 2 wherein said covering is provided on a luminal surface of the stent.
Claim 5
Dependent Claim
18 words
A graft according to claim 2 wherein said covering is provided on an exterior surface of the stent.
Claim 6
Dependent Claim
14 words
A graft according to claim 1 wherein said tubular stent is a self-expanding stent.
Claim 7
Dependent Claim
18 words
A graft according to claim 5 wherein said stent is provided with a covering of porous expanded polytetrafluoroethylene.
Claim 8
Dependent Claim
18 words
A graft according to claim 6 wherein said covering is provided on a luminal surface of the stent.
Claim 9
Dependent Claim
18 words
A graft according to claim 6 wherein said covering is provided on an exterior surface of the stent.
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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) | 2002-07-19 | 2003-01-18 | 2003-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-07-19 | 2007-01-18 | 2007-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-07-19 | 2011-01-18 | 2011-07-20 | $7700.00 | Window Closed / Lapsed |