US6143022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stent-graft assembly with dual configuration graft component and method of manufacture
Assignee: Medtronic Vascular Inc
•
Filing: 1998-08-24
•
Granted: 2000-11-07
•
Expires: 2018-08-24
Abstract
Abstract A stent-graft assembly and method of preparing the same are disclosed. In a first embodiment, the assembly comprises a stent and a graft, wherein the graft has a delivery configuration and a treatment configuration in relation to the stent. In the delivery configuration, the graft material is longer than the stent, covers the outer diameter of the stent, and is folded under and into the inner diameter of the stent. In the treatment configuration, the graft is shorter in length than the stent, such that the graft is no longer folded under the ends and the end regions of the stent are uncovered. The graft is sufficiently affixed to the stent to prevent migration of the graft, yet sufficiently free of the stent such that it can assume a second configuration upon deployment of the device.
Inventors
- 👤 Samuel L. Shull
- 👤 John E. Nolting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:10
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/91; A61F2/915; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2002/075; A61F2002/91533; A61F2002/91541; A61F2002/9155; A61F2002/91558; A61F2210/00; A61F2210/0076; A61F2220/00; A61F2220/0025; A61F2220/0058; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0013
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
162 words
A stent-graft assembly comprising: a generally cylindrical, radially expandable stent having a length and first and second ends; a generally tubular, radially expandable graft member having first and second ends, a first length when in a first configuration and a second length when in a second configuration, said first length being greater than said second length and, said graft member covering said stent; wherein said first length of said graft member is greater than the length of said stent when said graft member is in said first configuration; wherein the ends of the graft member are folded over the ends of the stent when the graft member is in said first configuration, and the ends of said graft member are not folded over the ends of the stent when the graft member is in said second configuration; and wherein said graft member is in said first configuration prior to expansion of the stent, and said second configuration following expansion of said stent.
Claim 2
Dependent Claim
162 words
A stent-graft assembly comprising: a generally cylindrical, radially expandable stent having a length and first and second ends; a generally tubular, radially expandable graft member having first and second ends, a first length when in a first configuration and a second length when in a second configuration, said first length being greater than said second length and, said graft member covering said stent; wherein said first length of said graft member is greater than the length of said stent when said graft member is in said first configuration; wherein the ends of the graft member are folded over the ends of the stent when the graft member is in said first configuration, and the ends of said graft member are not folded over the ends of the stent when the graft member is in said second configuration; and wherein said graft member is in said first configuration prior to expansion of the stent, and said second configuration following expansion of said stent.
Claim 3
Dependent Claim
38 words
The stent-graft assembly of claim 1 wherein the length of the graft member when in the second configuration is between 20% and 40% less than the length of the graft when the graft is in the first configuration.
References Cited (Backward Citations)
US4300244A
Cited
US4731073A
Cited
WO1984003036A1
Cited
US5562728A
Cited
US4728328A
Cited
US4776337A
Cited
US4776337B1
Cited
US5078726A
Cited
US5123917A
Cited
US5207960A
Cited
US5578072A
Cited
US5578071A
Cited
US5571173A
Cited
US5360443A
Cited
US5522880A
Cited
EP0466518A2
Cited
US5330500A
Cited
US5489295A
Cited
US5282860A
Cited
US5683453A
Cited
EP0556850A1
Cited
US5683448A
Cited
US5628785A
Cited
US5443496A
Cited
US5282823A
Cited
US5645559A
Cited
US5674276A
Cited
US5507771A
Cited
US5449382A
Cited
US5653747A
Cited
EP0621016A1
Cited
US5534287A
Cited
US5735892A
Cited
US5700285A
Cited
WO1995005132A1
Cited
US5723004A
Cited
US5639278A
Cited
US5632772A
Cited
US5389106A
Cited
EP0657147A2
Cited
US5693085A
Cited
EP0686379A2
Cited
EP0689805A2
Cited
US5522881A
Cited
US5653743A
Cited
EP0701800A1
Cited
US5522882A
Cited
WO1996014808A1
Cited
EP0712614A1
Cited
US5637113A
Cited
WO1996021404A1
Cited
US5741324A
Cited
US5674241A
Cited
US5681345A
Cited
US5556414A
Cited
US5749880A
Cited
US5641373A
Cited
US5667523A
Cited
US5628786A
Cited
WO1996039104A1
Cited
EP0747020A2
Cited
US5591195A
Cited
US5713917A
Cited
US5628788A
Cited
EP0775472A2
Cited
EP0797963A2
Cited
EP0819412A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-11-07 | 2004-05-08 | 2004-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-11-07 | 2008-05-08 | 2008-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-11-07 | 2012-05-08 | 2012-11-07 | $7700.00 | Window Closed / Lapsed |