US5591226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percutaneous stent-graft and method for delivery thereof
Assignee: Johns Hopkins University
•
Filing: 1995-01-23
•
Granted: 1997-01-07
•
Expires: 2015-01-23
Abstract
Abstract A percutaneous stent-graft is disclosed for restoring blood flow between vessels. The stent-graft has a body implantable device and first and second peel-away retaining elements. Also disclosed are methods for deploying a stent-graft.
Inventors
- 👤 Scott O. Trerotola
- 👤 Wade M. Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61B; A61B17/00; A61B17/11; A61F2/02; A61F2/04; A61F2/06; A61F2/064; A61F2/07; A61M; A61M1/00; A61M1/36; A61M1/3621; A61M1/3653; A61M1/3655; A61B2017/1107; A61F2/848; A61F2002/072; A61F2002/075; A61F2002/8486; A61F2210/00; A61F2210/0076; A61F2220/00; A61F2220/0008; A61F2220/0016; A61F2220/0025; A61F2220/0075; A61M39/00; A61M39/02; A61M39/0247
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
138 words
An apparatus comprising: a body implantable self-expanding stent comprising a flexible tube of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer arranged along at least a portion of its length; and first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states until removed, wherein each retaining element is a peel-away sheath adapted for insertion into vascular access means, said peel-away sheath comprising a tubular material attached to at least two leaves, the leaves upon an application of force being adapted to tear the tubular material thereby separating the sheath into removable pieces allowing the stent to self-expand.
Claim 2
Independent Claim
138 words
An apparatus comprising: a body implantable self-expanding stent comprising a flexible tube of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer arranged along at least a portion of its length; and first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states until removed, wherein each retaining element is a peel-away sheath adapted for insertion into vascular access means, said peel-away sheath comprising a tubular material attached to at least two leaves, the leaves upon an application of force being adapted to tear the tubular material thereby separating the sheath into removable pieces allowing the stent to self-expand.
Claim 3
Dependent Claim
17 words
The apparatus of claim 1 wherein the leaves comprise handles to facilitate the application of the force.
Claim 4
Dependent Claim
18 words
The apparatus of claim 1 wherein the flexible tube is constructed of helical, braided strands of biocompatible material.
Claim 5
Dependent Claim
23 words
The device of claim 3 wherein the biocompatible material is selected from the group consisting of stainless steel, Elgiloy, Nitinol, and combinations thereof.
Claim 6
Dependent Claim
12 words
The device of claim 3 wherein the biocompatible material is a plastic.
Claim 7
Dependent Claim
16 words
The apparatus of claim 1 wherein the elastic layer at least partially embeds the flexible tube.
Claim 8
Dependent Claim
25 words
The apparatus of claim 1 wherein the elastic layer comprises a semi-permeable biostable material selected from the group consisting of polytetrafluoroethylene, polyester, polyurethane, and silicone.
Claim 9
Dependent Claim
40 words
The apparatus of claim 1 and further, including at least one gripping means disposed along at least a portion of the length of the flexible tube between the first and second removable retaining elements for protecting the flexible tube member.
Claim 10
Dependent Claim
15 words
The apparatus of claim 8 and further, wherein said gripping means comprises a peel-away sheath.
Claim 11
Dependent Claim
33 words
The apparatus of claim 9 and further, including a cap member for selective placement over one of the first and second ends of the flexible tube to inhibit the flow of fluid therethrough.
Claim 12
Independent Claim
135 words
A system for delivering a percutaneous stent-graft, the system comprising: a) a body implantable self-expanding stent comprising a flexible tube member of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer disposed along at least a portion of its length; b) first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states wherein the retaining elements comprise peel-away sheaths adapted for insertion into vascular access means; and c) first and second vascular access means adapted to receive the first and second removable retaining elements, respectively, wherein the first and second vascular access means comprise peel-away sheaths.
Claim 13
Independent Claim
135 words
A system for delivering a percutaneous stent-graft, the system comprising: a) a body implantable self-expanding stent comprising a flexible tube member of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer disposed along at least a portion of its length; b) first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states wherein the retaining elements comprise peel-away sheaths adapted for insertion into vascular access means; and c) first and second vascular access means adapted to receive the first and second removable retaining elements, respectively, wherein the first and second vascular access means comprise peel-away sheaths.
Claim 14
Dependent Claim
40 words
The system of claim 11 wherein the peel-away sheaths comprise a tubular material attached to at least two leaves, the leaves upon an application of force being adapted to tear the tubular material thereby separating the sheath into removable pieces.
Claim 15
Dependent Claim
17 words
The system of claim 12 wherein the leaves comprise handles to facilitate the application of the force.
Claim 16
Dependent Claim
41 words
The apparatus of claim 11 and further, including at least one gripping means disposed along at least a portion of the length of the flexible tube member between the first and second removable retaining elements for protecting the flexible tube member.
Claim 17
Dependent Claim
15 words
The apparatus of claim 14 and further, wherein said gripping means comprises a peel-away sheath.
Claim 18
Dependent Claim
34 words
The apparatus of claim 15 and further, including a cap member for selective placement over one of the first and second ends of the flexible tube member to inhibit the flow of fluid therethrough.
Claim 19
Independent Claim
137 words
A system for delivering a percutaneous stent-graft, comprising: a) a body implantable self-expanding stent comprising a flexible tube member of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer disposed along at least a portion of its length; b) first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states, wherein the retaining elements comprise peel-away sheaths adapted for insertion into vascular access means; c) at least one gripping means disposed along at least a portion of the length of the flexible tube member between the first and second removable retaining elements for protecting the flexible tube member.
Claim 20
Independent Claim
137 words
A system for delivering a percutaneous stent-graft, comprising: a) a body implantable self-expanding stent comprising a flexible tube member of open weave construction having a first end and a second end, the ends being compressible into radially compressed states, the flexible tube having an elastic layer disposed along at least a portion of its length; b) first and second removable retaining elements secured to the flexible tube proximate the first and second ends, respectively, for maintaining the first and second ends of the self-expanding stent in radially compressed states, wherein the retaining elements comprise peel-away sheaths adapted for insertion into vascular access means; c) at least one gripping means disposed along at least a portion of the length of the flexible tube member between the first and second removable retaining elements for protecting the flexible tube member.
References Cited (Backward Citations)
US4850999A
Cited
US4655771A
Cited
US4655771B1
Cited
US4546499A
Cited
US4562597A
Cited
US4601718A
Cited
US4487567A
Cited
US4909979A
Cited
US5061275A
Cited
US4804382A
Cited
US4848343A
Cited
US4950227A
Cited
US5071407A
Cited
US5064435A
Cited
EP0485133A1
Cited
US5158545A
Cited
WO1993008768A1
Cited
WO1993017636A1
Cited
US5246452A
Cited
US5389106A
Cited
WO1995014442A1
Cited
US5403341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-01-07 | 2000-07-08 | 2001-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-01-07 | 2004-07-08 | 2005-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-01-07 | 2008-07-08 | 2009-01-07 | $7700.00 | Window Closed / Lapsed |