US6475232B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stent with reduced thrombogenicity
Assignee: Indiana University Health Inc
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Filing: 1997-12-10
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Granted: 2002-11-05
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Expires: 2017-12-10
Abstract
Abstract A tissue graft construct and method for repairing the inner linings of damaged or diseased vertebrate vessels is described. The method comprises the steps of positioning a tissue graft construct within a blood vessel at a site in need of repair. The tissue graft construct comprises a stent (3) covered with submucosal tissue (4) wherein the stent (3) is formed for receiving the distal end of a catheter (1) having an inflatable balloon (2).
Inventors
- 👤 Charles F. Babbs
- 👤 Neal F. Fearnot
- 👤 Stephen F. Badylak
- 👤 Leslie A Geddes
- 👤 Michael C. Hiles
- 👤 Joe D. Bourland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:47
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/86; A61F2/90; A61F2/91; A61F2/95; A61F2/958; A61L; A61L31/00; A61L31/005; A61L31/08; A61L31/10; A61L33/00; A61L33/18; A61M; A61M29/00; A61M29/02; A61F2/88; A61F2/885; A61F2002/072; A61F2002/075; A61F2002/9583; A61F2220/00; A61F2220/0008; A61F2220/0025; A61F2220/005; A61F2220/0075; A61F2240/00; A61F2240/001; A61F2250/00; A61F2250/0058; A61F2250/0067; A61M25/00; A61M25/0043; A61M25/0045
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
100 words
A prosthetic device for repairing the inner linings of damaged or diseased vertebrate vessels, said device comprising an implantable cylindrical shaped expandable member having a luminal and exterior surface, wherein expansion of said member increases the circumference of said member; and a layer of submucosal tissue fixed to the luminal and exterior surface of said member; wherein said layer of submucosal tissue comprises a narrow sheet of submucosal tissue wrapped longitudinally about the luminal and exterior surface of the stent a plurality of times to form loops of submucosal tissue wherein each loop partially overlaps another loop of submucosal tissue.
Claim 2
Dependent Claim
100 words
A prosthetic device for repairing the inner linings of damaged or diseased vertebrate vessels, said device comprising an implantable cylindrical shaped expandable member having a luminal and exterior surface, wherein expansion of said member increases the circumference of said member; and a layer of submucosal tissue fixed to the luminal and exterior surface of said member; wherein said layer of submucosal tissue comprises a narrow sheet of submucosal tissue wrapped longitudinally about the luminal and exterior surface of the stent a plurality of times to form loops of submucosal tissue wherein each loop partially overlaps another loop of submucosal tissue.
Claim 3
Dependent Claim
32 words
The device of claim 1 wherein the submucosal tissue comprises intestinal submucosa delaminated form both the tunica muscularis and at least the luminal portion of the tunica mucosa of a warm-blooded vertebrate.
Claim 4
Dependent Claim
22 words
The device of claim 1 wherein the cylindrical shaped member is a vascular stent having a lumen sized for receiving a catheter.
Claim 5
Dependent Claim
80 words
An improved vascular stent for expanding obstructed vessels, said stent formed as an expandable tube having an exterior and luminal surface, the improvement comprising a layer of submucosal tissue fixed to the external surface of the stent, wherein a strip of submucosal tissue is wrapped longitudinally about the luminal and exterior surfaces of the stent a plurality of times to form loops of submucosal tissue and wherein each loop of submucosal tissue partially overlaps an adjacent loop of submucosal tissue.
Claim 6
Dependent Claim
80 words
An improved vascular stent for expanding obstructed vessels, said stent formed as an expandable tube having an exterior and luminal surface, the improvement comprising a layer of submucosal tissue fixed to the external surface of the stent, wherein a strip of submucosal tissue is wrapped longitudinally about the luminal and exterior surfaces of the stent a plurality of times to form loops of submucosal tissue and wherein each loop of submucosal tissue partially overlaps an adjacent loop of submucosal tissue.
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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) | 2005-11-04 | 2006-05-06 | 2006-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-11-04 | 2010-05-06 | 2010-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-11-04 | 2014-05-06 | 2014-11-05 | $7700.00 | Window Closed / Lapsed |