US4776337A
Expired / Lapsed
US
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Expandable intraluminal graft, and method and apparatus for implanting an expandable intraluminal graft
Assignee: Cordis Corp
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Filing: 1986-06-26
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Granted: 1988-10-11
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Expires: 2006-06-26
Abstract
Abstract An expandable intraluminal vascular graft is expanded within a blood vessel by an angioplasty balloon associated with a catheter to dilate and expand the lumen of a blood vessel. The graft may be a wire mesh tube, having a biologically inert coating thereon.
Inventors
- 👤 Julio C. Palmaz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:14
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/91; A61F2/915; A61F2/95; A61F2/958; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2002/91533; A61F2002/91541; A61F2002/9155; A61F2002/91558; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
115 words
A method for implanting a prosthesis within a body passageway comprising the steps of: providing a biologically compatible coating on the outer surface of the prosthesis; disposing the prosthesis upon a catheter; inserting the prosthesis and catheter within the body passageway by catheterization of said body passageway; and providing controllable expansion of the prosthesis at a desired location within the body passageway by expanding a portion of the catheter associated with the prosthesis to force the prosthesis radially outwardly into contact with the body passageway, by deforming a portion of the prosthesis with a force in excess of the elastic limit of the portion of the prosthesis, to implant the prosthesis within the body passageway.
Claim 2
Independent Claim
115 words
A method for implanting a prosthesis within a body passageway comprising the steps of: providing a biologically compatible coating on the outer surface of the prosthesis; disposing the prosthesis upon a catheter; inserting the prosthesis and catheter within the body passageway by catheterization of said body passageway; and providing controllable expansion of the prosthesis at a desired location within the body passageway by expanding a portion of the catheter associated with the prosthesis to force the prosthesis radially outwardly into contact with the body passageway, by deforming a portion of the prosthesis with a force in excess of the elastic limit of the portion of the prosthesis, to implant the prosthesis within the body passageway.
Claim 3
Dependent Claim
43 words
The method of claim 1, including the step of: utilizing a wire mesh tube as the prosthesis, the wire mesh tube having a first predetermined collapsed diameter which permits the tube to be disposed upon the catheter and inserted into the body passageway.
Claim 4
Dependent Claim
21 words
The method of claim 2, wherein the biologically compatible coating is provided on the outer surface of the wire mesh tube.
Claim 5
Dependent Claim
21 words
The method of claim 3, wherein the coating is provided with a means for anchoring the prosthesis to the body passageway.
Claim 6
Dependent Claim
29 words
The method of claim 4, wherein the means for anchoring is the coating being provided with a plurality of radially, outwardly extending projections for engagement with the body passageway.
Claim 7
Dependent Claim
30 words
The method of claim 3, wherein the coating is provided with a plurality of openings to allow communication between the body passageway and the interior of the wire mesh tube.
Claim 8
Independent Claim
139 words
A method for expanding the lumen of a body passageway comprising the steps of: inserting an intraluminal graft, having a biologically compatible coating on the outer surface of the intraluminal graft, disposing upon a catheter, into the body passageway until it is disposed adjacent a desired location within the body passageway; and expanding a portion of the catheter to provide controllable expansion of the intraluminal graft radially, outwardly into contact with the body passageway, by deforming a portion of the intraluminal graft with a force in excess of the elastic limit of the intraluminal graft, until the lumen of the body passageway at the desired location in the body passageway has been expanded, whereby the intraluminal graft prevents the body passageway from collapsing and decreasing the size of the expanded lumen, and the intraluminal graft remains in the passageway.
Claim 9
Independent Claim
139 words
A method for expanding the lumen of a body passageway comprising the steps of: inserting an intraluminal graft, having a biologically compatible coating on the outer surface of the intraluminal graft, disposing upon a catheter, into the body passageway until it is disposed adjacent a desired location within the body passageway; and expanding a portion of the catheter to provide controllable expansion of the intraluminal graft radially, outwardly into contact with the body passageway, by deforming a portion of the intraluminal graft with a force in excess of the elastic limit of the intraluminal graft, until the lumen of the body passageway at the desired location in the body passageway has been expanded, whereby the intraluminal graft prevents the body passageway from collapsing and decreasing the size of the expanded lumen, and the intraluminal graft remains in the passageway.
Claim 10
Dependent Claim
43 words
The method of claim 7, including the step of: utilizing a wire mesh tube as the intraluminal graft, the wire mech tube having a first predetermined, collapsed diameter which permits the tube to be inserted within the body passageway at the desired location.
Claim 11
Dependent Claim
21 words
The method of claim 8, wherein the biologically compatible coating is provided on the outer surface of the wire mesh tube.
Claim 12
Dependent Claim
21 words
The method of claim 9, wherein the coating is provided with a means for anchoring the prosthesis to the body passageway.
Claim 13
Dependent Claim
29 words
The method of claim 10, wherein the means for anchoring is the coating being provided with a plurality of radially outwardly extending projections for engagement with the body passageway.
Claim 14
Dependent Claim
30 words
The method of claim 9, wherein the coating is provided with a plurality of opening to allow communication between the body passageway and the interior of the wire mesh tube.
Claim 15
Dependent Claim
187 words
An expandable intraluminal vascular graft, comprising: a tubular shaped member having first and second ends and a wall surface disposed between the first and second ends, the wall surface being formed by a plurality of intersecting elongate members, at least some of the elongate members intersecting with one another intermediate the first and second ends of the tubular shaped member; the tubular shaped member having a biologically compatible coating on the wall surface; the tubular shaped member having a first diameter which permits intraluminal delivery of the tubular shaped member into a body passageway having a lumen; and the tubular shaped member having a second, expanded diameter, upon the application from the interior of the tubular shaped member of a radially, outwardly extending force, which second diameter is variable and controlled by the amount of force applied to the tubular shaped member, at least some of the elongate members being deformed by the radially, outwardly extending force, to retain the tubular shaped member with the second, expanded diameter, whereby the tubular shaped member may be expanded to expand the lumen of the body passageway and remain therein.
Claim 16
Dependent Claim
187 words
An expandable intraluminal vascular graft, comprising: a tubular shaped member having first and second ends and a wall surface disposed between the first and second ends, the wall surface being formed by a plurality of intersecting elongate members, at least some of the elongate members intersecting with one another intermediate the first and second ends of the tubular shaped member; the tubular shaped member having a biologically compatible coating on the wall surface; the tubular shaped member having a first diameter which permits intraluminal delivery of the tubular shaped member into a body passageway having a lumen; and the tubular shaped member having a second, expanded diameter, upon the application from the interior of the tubular shaped member of a radially, outwardly extending force, which second diameter is variable and controlled by the amount of force applied to the tubular shaped member, at least some of the elongate members being deformed by the radially, outwardly extending force, to retain the tubular shaped member with the second, expanded diameter, whereby the tubular shaped member may be expanded to expand the lumen of the body passageway and remain therein.
Claim 17
Dependent Claim
24 words
The expandable intraluminal vascular graft of claim 13, wherein the coating includes a means for anchoring the tubular shaped member to the body passageway.
Claim 18
Dependent Claim
24 words
The expandable intraluminal vascular graft of claim 14, wherein the anchoring means is a plurality of radially, outwardly extending projections formed on the coating.
Claim 19
Dependent Claim
32 words
The expandable intraluminal vascular graft of claim 13, wherein the coating has a plurality of openings therein to allow communication between the body passageway and the interior of the tubular shaped member.
Claim 20
Dependent Claim
189 words
An expandable prosthesis for a body passageway, comprising: a tubular shaped member having first and second ends and a wall surface disposed between the first and second ends, the wall surface being formed by a plurality of intersecting elongate members, at least some of the elongate members intersecting with one another intermediate the first and second ends of the tubular shaped member; the tubular shaped member having a biologically compatible coating on the wall surface; the tubular shaped member having a first diameter which permits intraluminal delivery of the tubular shaped member into a body passageway having a lumen; and the tubular shaped member having a second, expanded diameter, upon the application from the interior of the tubular shaped member of a radially, outwardly extending force, which second diameter is variable and controlled by the amount of force applied to the tubular shaped member, at least some of the elongate members being deformed by the radially, outwardly extending force, to retain the tubular shaped member with the second, expanded diameter, whereby the tubular shaped member may be expanded to expand the lumen of the body passageway and remain therein.
Claim 21
Dependent Claim
189 words
An expandable prosthesis for a body passageway, comprising: a tubular shaped member having first and second ends and a wall surface disposed between the first and second ends, the wall surface being formed by a plurality of intersecting elongate members, at least some of the elongate members intersecting with one another intermediate the first and second ends of the tubular shaped member; the tubular shaped member having a biologically compatible coating on the wall surface; the tubular shaped member having a first diameter which permits intraluminal delivery of the tubular shaped member into a body passageway having a lumen; and the tubular shaped member having a second, expanded diameter, upon the application from the interior of the tubular shaped member of a radially, outwardly extending force, which second diameter is variable and controlled by the amount of force applied to the tubular shaped member, at least some of the elongate members being deformed by the radially, outwardly extending force, to retain the tubular shaped member with the second, expanded diameter, whereby the tubular shaped member may be expanded to expand the lumen of the body passageway and remain therein.
Claim 22
Dependent Claim
26 words
The expandable prosthesis for a body passageway of claim 17, wherein the coating includes a means for anchoring the tubular shaped member to the body passageway.
Claim 23
Dependent Claim
26 words
The expandable prosthesis for a body passageway of claim 18, wherein the anchoring means is a plurality of radially, outwardly extending projections formed on the coating.
Claim 24
Dependent Claim
34 words
The expandable prosthesis for a body passageway of claim 17, wherein the coating has a plurality of openings therein to allow communication between the body passageway and the interior of the tubular shaped member.
Claim 25
Dependent Claim
14 words
The method of claim 2, wherein tantalum is utilized for the wire mesh tube.
Claim 26
Dependent Claim
14 words
The method of claim 8, wherein tantalum is utilized for the wire mesh tube.
Claim 27
Dependent Claim
20 words
The expandable intraluminal vascular graft of claim 13, wherein the plurality of elongate members are a plurality of tantalum wires.
Claim 28
Dependent Claim
21 words
The expandable intraluminal vascular graft of claim 13, wherein the plurality of elongate members are a plurality of thin tantalum bars.
Claim 29
Dependent Claim
18 words
The expandable prosthesis of claim 17, wherein the plurality of elongate members are a plurality of tantalum wires.
Claim 30
Dependent Claim
19 words
The expandable prosthesis of claim 17, wherein the plurality of elongate members are a plurality of thin tantalum bars.
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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) | 1991-10-11 | 1992-04-11 | 1992-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-11 | 1996-04-11 | 1996-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-11 | 2000-04-11 | 2000-10-11 | $7700.00 | Window Closed / Lapsed |