US7175652B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stent graft with improved proximal end
Assignee: William A Cook Australia Pty Ltd
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Filing: 2003-08-20
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Granted: 2007-02-13
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Expires: 2023-08-20
Abstract
Abstract Disclosed is a stent graft prosthesis comprising a graft portion that includes a main body portion and an cuff portion, the cuff portion generally located at or near the proximal end of the main body portion and extending circumferentially therealong. Stents comprising the graft supporting structure are also attached to graft portion about the proximal end. In one embodiment, the cuff portion comprises material that is folded over the outside surface of the main body portion with an anchoring stent being attached over the cuff and main body portions, extending proximally therefrom. In another series of embodiments, the cuff portion comprises an external sealing zone that extends around the outer main body portion to help prevent leakage of fluids. In one example, the material of the second edge of the cuff portion is frayed to better engage the vessel walls and promote thrombus and/or tissue growth.
Inventors
- 👤 William A. Cook
- 👤 Thomas A. Osborne
- 👤 Sarah E. Anderson
- 👤 David E. Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:19
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/82; A61F2/848; A61F2/86; A61F2/89; A61F2002/065; A61F2002/075; A61F2002/8483; A61F2002/8486; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/005; A61F2230/0054; A61F2230/0063; A61F2230/0067
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
111 words
A stent graft prosthesis for placement in a vessel comprising: a graft portion including a first end, a second end, and a main body portion, generally tubular in shape, that comprises a first layer of material; a cuff portion, having a first edge and a second edge, the first edge thereof located about the first end of the main body of the graft portion, the cuff portion comprising a second layer of material closely adjacent the main body portion wherein the second edge comprises one of a frayed portion and a fringed portion; and a supporting structure attached about the first end of the graft portion and to the cuff portion.
Claim 2
Dependent Claim
111 words
A stent graft prosthesis for placement in a vessel comprising: a graft portion including a first end, a second end, and a main body portion, generally tubular in shape, that comprises a first layer of material; a cuff portion, having a first edge and a second edge, the first edge thereof located about the first end of the main body of the graft portion, the cuff portion comprising a second layer of material closely adjacent the main body portion wherein the second edge comprises one of a frayed portion and a fringed portion; and a supporting structure attached about the first end of the graft portion and to the cuff portion.
Claim 3
Dependent Claim
41 words
The stent graft prosthesis of claim 1 , wherein the cuff portion is folded over the main body portion such that the proximal, first end of the cuff portion comprises a folded edge and the second end comprises a free edge.
Claim 4
Dependent Claim
22 words
The stent graft prosthesis of claim 2 , wherein the cuff portion is folded over the outside of the main body portion.
Claim 5
Dependent Claim
26 words
The stent graft prosthesis of claim 3 , wherein the cuff portion comprises a plurality of flaps extend over the first edge of the graft portion.
Claim 6
Dependent Claim
25 words
The stent graft prosthesis of claim 1 , wherein the supporting structure includes an anchoring stent attached to the cuff portion and main body portion.
Claim 7
Dependent Claim
27 words
The stent graft prosthesis of claim 1 , wherein the cuff portion comprises one or more elements separate of the main body portion that are attached thereto.
Claim 8
Dependent Claim
45 words
The stent graft prosthesis of claim 6 , wherein the cuff portion comprises an external sealing zone extending laterally from the main body portion, the external sealing zone configured to engage the walls of the vessel to facilitate sealing therebetween and reduce leakage of fluid.
Claim 9
Dependent Claim
24 words
The stent graft prosthesis of claim 1 , wherein the cuff portion comprises a second material different than that of the main body material.
Claim 10
Dependent Claim
109 words
A stent graft prosthesis for placement in a vessel comprising: a graft portion including a main body portion generally tubular in shape, that includes a first end and a second end; a cuff portion comprising an external sealing zone generally located at or closely adjacent the first end of the graft portion, the external sealing zone having structure comprising a second layer of material that generally encircles and extends laterally from the main body portion to create a circumferential seal between graft portion and the adjacent walls of the vessel to reduce leakage of bodily fluid thereabout; and wherein the cuff portion comprises a band of material situated therearound.
Claim 11
Dependent Claim
109 words
A stent graft prosthesis for placement in a vessel comprising: a graft portion including a main body portion generally tubular in shape, that includes a first end and a second end; a cuff portion comprising an external sealing zone generally located at or closely adjacent the first end of the graft portion, the external sealing zone having structure comprising a second layer of material that generally encircles and extends laterally from the main body portion to create a circumferential seal between graft portion and the adjacent walls of the vessel to reduce leakage of bodily fluid thereabout; and wherein the cuff portion comprises a band of material situated therearound.
Claim 12
Dependent Claim
16 words
The stent graft prosthesis of claim 9 , wherein the cuff portion comprises a frayed portion.
Claim 13
Dependent Claim
16 words
The stent graft prosthesis of claim 9 , wherein the cuff portion comprises a fringed portion.
Claim 14
Dependent Claim
33 words
The stent graft prosthesis of claim 9 , wherein the band of material comprises a second material, wherein the second material is different than that of the main body of the graft portion.
Claim 15
Dependent Claim
73 words
A stent graft prosthesis for placement in a vessel comprising: a graft portion including a main body portion; an outer cuff portion, having a first edge and a second edge, that is located about the first end of the graft portion and attached thereto wherein the outer cuff portion comprises a frayed portion; and an anchoring stent attached to the main body portion and outer cuff portion, the anchoring stent extending proximally therefrom.
Claim 16
Dependent Claim
73 words
A stent graft prosthesis for placement in a vessel comprising: a graft portion including a main body portion; an outer cuff portion, having a first edge and a second edge, that is located about the first end of the graft portion and attached thereto wherein the outer cuff portion comprises a frayed portion; and an anchoring stent attached to the main body portion and outer cuff portion, the anchoring stent extending proximally therefrom.
Claim 17
Dependent Claim
18 words
The stent graft prosthesis of claim 13 , wherein the outer cuff portion comprises an external sealing zone.
Claim 18
Dependent Claim
27 words
The stent graft prosthesis of claim 13 , wherein the outer cuff portion is folded over the main body portion with the anchoring stent being attached thereover.
Claim 19
Dependent Claim
36 words
The stent graft prosthesis of claim 13 , wherein the outer cuff portion is folded over the main body portion with the anchoring stent being attached between the outer cuff portion and the main body portion.
References Cited (Backward Citations)
US4728328A
Cited
US5397346A
Cited
US6004347A
Cited
US5571175A
Cited
US6231562B1
Cited
US5843158A
Cited
US6395019B2
Cited
US6663667B2
Cited
US20020055774A1
Cited
US6846325B2
Cited
US6716244B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2010-02-12 | 2010-08-14 | 2011-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2014-02-12 | 2014-08-14 | 2015-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2018-02-12 | 2018-08-14 | 2019-02-13 | $7700.00 | Window Closed / Lapsed |