Patent US6361557B1 successfully refreshed from Google Patents.
US6361557B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staplebutton radiopaque marker
Assignee: Medtronic Vascular Inc
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Filing: 2000-02-03
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Granted: 2002-03-26
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Expires: 2020-02-03
Abstract
Abstract Improved endoluminal prostheses and methods for their use, having discrete position indicating elements which facilitate the orienting and deploying of the prostheses within body lumens. The endoluminal prostheses may include endovascular prostheses, often formed as stent-grafts having a flexible tubular liner or “graft.” The position indicating elements may include an improved radiopaque image marker to be applied to the graft, before the graft is deployed particularly within branching blood vessels for the treatment of abdominal and other aneurysms. The marker is in the form of a flat metal blank resembling a circular plate or “button.” The disk may be fastened or secured on to the graft using a pair of fastening shanks or tangs which extend parallel to each other outward from a surface of the plate.
Inventors
- 👤 Darin C. Gittings
- 👤 Denise M. Demarais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:12
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61L; A61L27/00; A61L27/50; A61L31/00; A61L31/14; A61L31/18; A61F2/82; A61F2/86; A61F2/90; A61F2002/075; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054; A61F2240/00; A61F2240/001; A61F2250/00; A61F2250/0058; A61F2250/0096; A61F2250/0098
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
64 words
An endoluminal prosthesis comprising: fabric liner comprising a polyester fabric; and an imagable body disposed on the liner, the body including a plate and at least two shanks integral with the plate, the shanks affixing the imagable body on the liner, the imagable body providing a sharp contrast so as to indicate the liner position when the prosthesis is imaged within the patient body.
Claim 2
Dependent Claim
64 words
An endoluminal prosthesis comprising: fabric liner comprising a polyester fabric; and an imagable body disposed on the liner, the body including a plate and at least two shanks integral with the plate, the shanks affixing the imagable body on the liner, the imagable body providing a sharp contrast so as to indicate the liner position when the prosthesis is imaged within the patient body.
Claim 3
Dependent Claim
27 words
A prosthesis as claimed in claim 1 , wherein the fabric liner comprises a tubular graft having a proximal end, a distal end, and a lumen therebetween.
Claim 4
Dependent Claim
18 words
A prosthesis as claimed in claim 2 , further comprising a radially expandable frame supporting the tubular graft.
Claim 5
Dependent Claim
28 words
A prosthesis as claimed in claim 1 , wherein the plate comprises a shape taken from the group consisting of a square, rectangle, circle, triangle, arrow, and oval.
Claim 6
Dependent Claim
14 words
A prosthesis as claimed in claim 1 , wherein the imagable body is radiopaque.
Claim 7
Dependent Claim
37 words
A prosthesis as claimed in claim 1 , wherein each shank projects from an opposing edge of the plate and through the liner, the shanks bent over so as to attach the imagable body to the liner.
Claim 8
Dependent Claim
36 words
A prosthesis as claimed in claim 1 , wherein each shank is cut at right and left opposing angles so that the arms lay side-by-side when the shanks are bent toward each other along the plate.
Claim 9
Dependent Claim
38 words
A prosthesis as claimed in claim 1 , wherein the plate comprises first and second opposed major surfaces, wherein the shanks extend from the second major surface, and wherein the second major surface is disposed adjacent the liner.
Claim 10
Dependent Claim
22 words
A prosthesis as claimed in claim 1 , wherein the shanks each comprise a pointed end capable of piercing the fabric liner.
Claim 11
Dependent Claim
88 words
An endoluminal prosthesis for deployment in a body lumen of a patient body the prosthesis comprising: a tubular fabric liner having a proximal end, a distal end, and a lumen therebetween; and a plurality of imagable bodies attached to the liner, each imagable body having a plate and two integral fastening members to attach of the imagable bodies to the liner, the imagable bodies providing a sharp contrast to define a pattern so as to indicate the prosthesis position when the prosthesis is imaged within the patient body.
Claim 12
Dependent Claim
88 words
An endoluminal prosthesis for deployment in a body lumen of a patient body the prosthesis comprising: a tubular fabric liner having a proximal end, a distal end, and a lumen therebetween; and a plurality of imagable bodies attached to the liner, each imagable body having a plate and two integral fastening members to attach of the imagable bodies to the liner, the imagable bodies providing a sharp contrast to define a pattern so as to indicate the prosthesis position when the prosthesis is imaged within the patient body.
Claim 13
Dependent Claim
17 words
A prosthesis as claimed in claim 10 , further comprising a radially expandable frame supporting the liner.
Claim 14
Dependent Claim
42 words
A prosthesis as claimed in claim 11 , wherein the frame comprises a tube defining a plurality of radial openings when expanded, and wherein images of at least some of the imagable bodies are visible through associated openings of the expanded frame.
Claim 15
Dependent Claim
39 words
A prosthesis as claimed in claim 10 , wherein the plate comprises first and second opposed major surfaces, wherein the fastening members extend from the second major surface, and wherein the second major surface is disposed adjacent the liner.
Claim 16
Dependent Claim
40 words
A prosthesis as claimed in claim 10 , wherein each fastening member is cut at right and left opposing angles so that the members lay side-by-side when the arms are bent over in the same direction parallel to the plate.
Claim 17
Dependent Claim
14 words
A prosthesis as claimed in claim 10 , wherein the imagable bodies are radiopaque.
Claim 18
Dependent Claim
23 words
A prosthesis as in claim 10 , wherein the plate comprises a material taken from the group consisting of tantalum, platinum, and gold.
Claim 19
Dependent Claim
16 words
A prosthesis as claimed in claim 10 , wherein the imagable bodies provide enhanced ultrasound images.
Claim 20
Dependent Claim
105 words
An endoluminal prosthesis for deployment in a body lumen of a patient body, the prosthesis comprising: a tubular fabric liner having a proximal end, a distal end, and a lumen therebetween; a radially expandable frame supporting the liner; and a plurality of radiopaque marker elements, each marker element comprising a plate having a first and a second opposed major surface, with two fastening members extending from the second major surface, through the liner, and along the plate so as to affix the marker element to the liner, the marker elements indicating a position of the prosthesis when the prosthesis is imaged within the body lumen.
Claim 21
Dependent Claim
105 words
An endoluminal prosthesis for deployment in a body lumen of a patient body, the prosthesis comprising: a tubular fabric liner having a proximal end, a distal end, and a lumen therebetween; a radially expandable frame supporting the liner; and a plurality of radiopaque marker elements, each marker element comprising a plate having a first and a second opposed major surface, with two fastening members extending from the second major surface, through the liner, and along the plate so as to affix the marker element to the liner, the marker elements indicating a position of the prosthesis when the prosthesis is imaged within the body lumen.
Claim 22
Dependent Claim
18 words
A prosthesis as in claim 18 , wherein the marker elements are not directly attached to the frame.
Claim 23
Dependent Claim
24 words
A prosthesis as in claim 18 , wherein the marker elements are not in contact with the frame when the frame is radially expanded.
Claim 24
Independent Claim
44 words
A method for fabricating a stent-graft, the method comprising: affixing a marker plate to a liner by piercing the liner with a pair of shanks, the shanks extending from the plate, and bending the shanks; and supporting the liner with a radially expandable frame.
Claim 25
Independent Claim
44 words
A method for fabricating a stent-graft, the method comprising: affixing a marker plate to a liner by piercing the liner with a pair of shanks, the shanks extending from the plate, and bending the shanks; and supporting the liner with a radially expandable frame.
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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) | 2005-03-25 | 2005-09-24 | 2006-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-03-25 | 2009-09-24 | 2010-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-03-25 | 2013-09-24 | 2014-03-26 | $7700.00 | Window Closed / Lapsed |