Patent US6482227B1 successfully refreshed from Google Patents.
US6482227B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stent graft having improved attachment within a body vessel
Assignee: Ethicon Endo Surgery Inc
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Filing: 2000-11-16
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Granted: 2002-11-19
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Expires: 2020-11-16
Abstract
Abstract In accordance with the present invention there is provided an improved stent graft for insertion into a body vessel of a patient. The stent graft includes a hollow substantially cylindrical stent comprising a plurality of interconnected struts. In addition, the stent graft includes a graft material attached to the stent, wherein the graft material is an open cell foam material having a multiplicity of cells having an average diameter ranging from about 100-500 micrometers, and a cell density on a surface thereof ranging from about 50-100 cells per inch.
Inventors
- 👤 Kenneth S. Solovay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:35
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/82; A61F2/86; A61F2/89; A61F2/90; A61F2002/065; A61F2002/075; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
77 words
An improved stent graft for insertion into a body vessel of a patient, said stent graft comprising: a. a hollow substantially cylindrical radially expandable stent comprising a plurality of interconnected struts; b. a graft material attached to said stent, said graft material comprising an open cell foam material having a multiplicity of cells having an average diameter ranging from about 100-500 micrometers, and a cell density on a surface thereof ranging from about 50-100 cells per inch.
Claim 2
Dependent Claim
77 words
An improved stent graft for insertion into a body vessel of a patient, said stent graft comprising: a. a hollow substantially cylindrical radially expandable stent comprising a plurality of interconnected struts; b. a graft material attached to said stent, said graft material comprising an open cell foam material having a multiplicity of cells having an average diameter ranging from about 100-500 micrometers, and a cell density on a surface thereof ranging from about 50-100 cells per inch.
Claim 3
Dependent Claim
24 words
The stent graft according to claim 1 wherein said open cell foam material has a density ranging from about 1.5-2.5 pounds per cubic foot.
Claim 4
Dependent Claim
15 words
The stent graft according to claim 1 wherein said open cell foam material comprises polyurethane.
Claim 5
Dependent Claim
15 words
The stent graft according to claim 1 wherein said stent is a self expanding stent.
Claim 6
Dependent Claim
18 words
The stent graft according to claim 4 wherein said stent is made from a superelastic nickel titanium alloy.
Claim 7
Dependent Claim
93 words
An improved stent graft for insertion into a body vessel of a patient, said stent graft comprising: a. a hollow substantially cylindrical radially expandable stent having a body comprising a plurality of interconnected struts, and two open ends; b. a graft material attached to and covering a predetermined portion of said body of said stent, said graft material comprising an open cell foam material having a multiplicity of cells having an average diameter ranging from about 100-500 micrometers, and a cell density on a surface thereof ranging from about 50-100 cells per inch.
Claim 8
Dependent Claim
93 words
An improved stent graft for insertion into a body vessel of a patient, said stent graft comprising: a. a hollow substantially cylindrical radially expandable stent having a body comprising a plurality of interconnected struts, and two open ends; b. a graft material attached to and covering a predetermined portion of said body of said stent, said graft material comprising an open cell foam material having a multiplicity of cells having an average diameter ranging from about 100-500 micrometers, and a cell density on a surface thereof ranging from about 50-100 cells per inch.
Claim 9
Dependent Claim
24 words
The stent graft according to claim 6 wherein said open cell foam material has a density ranging from about 1.5-2.5 pounds per cubic foot.
Claim 10
Dependent Claim
15 words
The stent graft according to claim 6 wherein said open cell foam material comprises polyurethane.
Claim 11
Dependent Claim
15 words
The stent graft according to claim 6 wherein said stent is a self expanding stent.
Claim 12
Dependent Claim
18 words
The stent graft according to claim 9 wherein said stent is made from a superelastic nickel titanium alloy.
Claim 13
Dependent Claim
24 words
The stent graft according to claim 6 wherein said graft material further covers a predetermined portion of one of said ends of said 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) | 2005-11-18 | 2006-05-20 | 2006-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-11-18 | 2010-05-20 | 2010-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-11-18 | 2014-05-20 | 2014-11-19 | $7700.00 | Window Closed / Lapsed |