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US6508835B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Endoluminal vascular prosthesis

Assignee: Endologix LLC
•
Filing: 2000-11-28
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Granted: 2003-01-21
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Expires: 2020-11-28
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Abstract

Abstract Disclosed is a tubular endoluminal vascular prosthesis, useful in treating, for example, an abdominal aortic aneurysm. The prosthesis comprises a self expandable wire support structure surrounded by a flexible tubular membrane. A delivery catheter and methods are also disclosed.

Inventors

  • 👤 Samuel M. Shaolian
  • 👤 M. Frank Zeng

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:14
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/95; A61F2/954; A61F2/958; A61F2/02; A61F2/04; A61F2/06; A61F2002/065; A61F2002/067; A61F2220/00; A61F2220/0008; A61F2220/0025; A61F2220/005; A61F2220/0058; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0028; A61F2230/0054

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 111 words
An endoluminal prosthesis, comprising: a tubular wire support having a proximal end, a distal end and a central lumen extending therethrough; the wire support comprising at least a first and a second axially adjacent tubular segments, joined by at least one folded link extending therebetween; the first tubular segment including two side-by-side legs and a first apex thereon; and the second tubular segment including a second apex thereon; wherein the folded link is formed by the first apex folding around the second apex to form a flexible folded link between the first and second tubular segments, the folded link comprising a closing portion for resisting axial compression of the endoluminal prosthesis.
Claim 2
Dependent Claim 111 words
An endoluminal prosthesis, comprising: a tubular wire support having a proximal end, a distal end and a central lumen extending therethrough; the wire support comprising at least a first and a second axially adjacent tubular segments, joined by at least one folded link extending therebetween; the first tubular segment including two side-by-side legs and a first apex thereon; and the second tubular segment including a second apex thereon; wherein the folded link is formed by the first apex folding around the second apex to form a flexible folded link between the first and second tubular segments, the folded link comprising a closing portion for resisting axial compression of the endoluminal prosthesis.
Claim 3
Dependent Claim 20 words
An endoluminal prosthesis as in claim 1 , comprising at least three folded links between the first and second segments.
Claim 4
Dependent Claim 44 words
An endoluminal prosthesis as in claim 1 , wherein the wire in each segment comprises a series of proximal bends, a series of distal bends, creating a series of strut segments connecting the proximal bends and distal bends to form a tubular segment wall.
Claim 5
Dependent Claim 22 words
An endoluminal prosthesis as in claim 3 , wherein each segment comprises from about 4 proximal bends to about 12 proximal bends.
Claim 6
Dependent Claim 127 words
An endoluminal prosthesis, comprising: a tubular wire support having a proximal end, a distal end and a central lumen extending therethrough; the wire support comprising at least a first and a second axially adjacent tubular segments, joined by at least one folded link extending therebetween; the first tubular segment including two side-by-side legs and a first apex thereon; and the second tubular segment including a second apex thereon; wherein the folded link is formed by the first apex folding around the second apex to form a flexible folded link between the first and second tubular segments and the endoluminal prosthesis having at least a proximal segment, an intermediate segment and a distal segment, wherein the prosthesis is self expandable from a reduced cross-section to an expanded cross-section.
Claim 7
Dependent Claim 127 words
An endoluminal prosthesis, comprising: a tubular wire support having a proximal end, a distal end and a central lumen extending therethrough; the wire support comprising at least a first and a second axially adjacent tubular segments, joined by at least one folded link extending therebetween; the first tubular segment including two side-by-side legs and a first apex thereon; and the second tubular segment including a second apex thereon; wherein the folded link is formed by the first apex folding around the second apex to form a flexible folded link between the first and second tubular segments and the endoluminal prosthesis having at least a proximal segment, an intermediate segment and a distal segment, wherein the prosthesis is self expandable from a reduced cross-section to an expanded cross-section.
Claim 8
Dependent Claim 36 words
An endoluminal prosthesis as in claim 5 , wherein at least a portion of the proximal segment and distal segment is larger in cross-section than the central segment when the prosthesis is in the expanded cross-section.
Claim 9
Dependent Claim 17 words
An endoluminal prosthesis as in claim 1 , further comprising a polymeric layer on the wire support.
Claim 10
Dependent Claim 25 words
An endoluminal prosthesis as in claim 7 , wherein the layer comprises a tubular PTFE sleeve surrounding at least a central portion of the prosthesis.
Claim 11
Dependent Claim 159 words
An endoluminal prosthesis, comprising an elongate flexible wire, formed into a plurality of axially adjacent tubular segments spaced along an axis, each tubular segment comprising a zig zag section of the wire, having a plurality of proximal bends and distal bends, with the wire continuing between each adjacent tubular segment, in which at least two end to end wire segments are joined by a folded link comprising a first bend on a first tubular segment extending through and substantially entrapping a portion of a second tubular segment, wherein the first bend is wrapped around the portion of the second tubular segment to form a functionally closed aperture, in which the portion of the second tubular segment is substantially entrapped within the aperture wherein the prosthesis is radially compressible into a first, reduced cross sectional configuration for implantation into a body lumen, and self expandable to a second, enlarged cross sectional configuration at a treatment site in a body lumen.
Claim 12
Dependent Claim 159 words
An endoluminal prosthesis, comprising an elongate flexible wire, formed into a plurality of axially adjacent tubular segments spaced along an axis, each tubular segment comprising a zig zag section of the wire, having a plurality of proximal bends and distal bends, with the wire continuing between each adjacent tubular segment, in which at least two end to end wire segments are joined by a folded link comprising a first bend on a first tubular segment extending through and substantially entrapping a portion of a second tubular segment, wherein the first bend is wrapped around the portion of the second tubular segment to form a functionally closed aperture, in which the portion of the second tubular segment is substantially entrapped within the aperture wherein the prosthesis is radially compressible into a first, reduced cross sectional configuration for implantation into a body lumen, and self expandable to a second, enlarged cross sectional configuration at a treatment site in a body lumen.
Claim 13
Dependent Claim 17 words
An endoluminal prosthesis as in claim 9 , comprising at least three segments formed from said wire.
Claim 14
Dependent Claim 22 words
An endoluminal prosthesis as in claim 10 , further comprising an outer tubular sleeve surrounding at least a portion of the prosthesis.
Claim 15
Dependent Claim 21 words
An endoluminal prosthesis as in claim 11 , wherein the sleeve further comprises at least one lateral perfusion port extending therethrough.
Claim 16
Dependent Claim 47 words
An endoluminal prosthesis as in claim 9 , wherein the prosthesis has a proximal end and a distal end, and at least one of the proximal end and distal end as expandable to a larger diameter than a central section of the prosthesis in an unconstrained expansion.
Claim 17
Dependent Claim 20 words
An endoluminal prosthesis as in claim 9 , wherein the prosthesis has an expansion ratio of at least about 1:4.
Claim 18
Dependent Claim 20 words
An endoluminal prosthesis as in claim 14 , wherein the prosthesis has an expansion ratio of at least about 1:5.
Claim 19
Dependent Claim 40 words
An endoluminal prosthesis as in claim 10 , wherein the prosthesis has an expanded diameter of at least about 20 mm-30 mm in an unconstrained expansion, and the prosthesis is implantable using a catheter no greater than about 21 French.
Claim 20
Dependent Claim 38 words
An endoluminal prosthesis as in claim 9 , wherein the prosthesis has an expanded diameter of at least about 25 mm, and is implantable on a delivery device having a diameter of no more than about 21 French.
Claim 21
Dependent Claim 54 words
An endoluminal prosthesis as in claim 9 , comprising at least two axially adjacent segments having an interface therebetween in which distal bends on a proximal segment align with proximal bends on a distal segment, wherein at least 30% of the distal bends in at least one interface are provided with a folded link.
Claim 22
Dependent Claim 27 words
An endoluminal prosthesis as in claim 18 , wherein at least 50% of the distal bends in at least one interface are provided with a folded link.
Claim 23
Dependent Claim 25 words
An endoluminal prosthesis as in claim 19 , wherein all of the distal bends in at least one interface are provided with a folded link.

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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) 2006-01-20 2006-07-22 2007-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-01-20 2010-07-22 2011-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-01-20 2014-07-22 2015-01-21 $7700.00 Window Closed / Lapsed

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