EP0883384B1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Expandable supportive branched endoluminal grafts
Assignee: Boston Scientific Ltd Barbados
•
Filing: 1996-10-29
•
Granted: 2000-12-06
•
Expires: 2016-10-29
Abstract
Abstract An expandable supportive endoluminal graft (31) comprising a tubular support component (32) having a lumen, a compliant graft component forming a cover (33) positioned over said tubular support component and/or a linear (34) positioned along the lumen of the tubular support component, and one or more windows (37) formed through said cover (33) and/or linear (34) and/or tubular support (32) in order to feed outside branch arteries or other vessels. <IMAGE>
Inventors
- 👤 Rysler Alcime
- 👤 Yasushi Kato
- 👤 Leonard Pinchuk
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 06:33
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/02; A61F2/04; A61F2/06; A61F2/07; A61F2/91; A61F2/88; A61F2/885; A61F2/89; A61F2002/065; A61F2002/067; A61F2002/072; A61F2002/075; A61F2/30; A61F2002/30001; A61F2002/30316; A61F2002/30329; A61F2002/826; A61F2220/00; A61F2220/0008; A61F2220/0025; A61F2220/005; A61F2220/0058; A61F2220/0075; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/001; A61F2230/0063; A61F2230/0073; A61F2230/0078; A61F2240/00; A61F2240/001; A61F2250/00; A61F2250/0014; A61F2250/0039
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
174 words
A multi-component branching expandable
supportive endoluminal graft comprising: a plurality of expandable supportive endoluminal
components (101,108,115) which are capable of individual
deployment at a selected location within a body vessel,
each said supportive endoluminal graft component being
radially compressible for endoluminal insertion and
radially expandable for deployment at a desired location
within a body vessel; characterised in that one of said expandable
supportive endoluminal components is a trunk component
(101), said trunk component being generally tubular and
having a first portion (118) with a given diameter and a
second portion (119) including a longitudinally disposed
indent (124) generally defining at least two leg portions
(109,113), each with a diameter less than said given
diameter, and each said leg portion has a leg opening
(126,127); at least one other of said expandable supportive
endoluminal components is a generally cylindrical
supportive leg component (108,115); and said generally cylindrical supportive leg component,
when said leg component and trunk component are deployed
within the body vessel, is positioned within one of said
leg portions of the trunk component.
Claim 2
Dependent Claim
35 words
The supportive endoluminal graft in accordance
with claim 1, wherein said generally cylindrical
supportive leg component (108,115) has an end portion
which, when deployed, is positioned within said leg
opening (126,127) of the trunk component.
Claim 3
Dependent Claim
39 words
A multi-component, branching, expandable,
supportive endoluminal graft as claimed in claim 1,
wherein said generally cylindrical supportive leg
component (108,115) has an end portion which, when
deployed, is telescopically positioned within said leg
opening (126,127) of the trunk component.
Claim 4
Dependent Claim
50 words
A multi-component, branching, expandable,
supportive endoluminal graft as claimed in claim 1, claim
2 or claim 3, wherein said trunk component (101) has a
plurality of said indents (124,125), each indent having a
longitudinal internal surface, wherein said longitudinal
internal surfaces define said leg portions (109,113) of
said trunk component.
Claim 5
Dependent Claim
28 words
A multi-component, branching, expandable,
supportive endoluminal graft as claimed in any preceding
claim, wherein said leg portions (109,113) are adapted to
receive said generally cylindrical leg components
(108,115).
Claim 6
Dependent Claim
20 words
The supportive endoluminal graft in accordance
with any preceding claim, wherein said plurality of
expandable supportive endoluminal components are self-expanding.
Claim 7
Dependent Claim
27 words
The supportive endoluminal graft in accordance
with any of claims 1-5, wherein said plurality of
expandable supportive endoluminal components can be
deployed by a radially expandable device.
Claim 8
Dependent Claim
30 words
The supportive endoluminal graft in accordance
with any preceding claim, wherein said generally
cylindrical supportive component (108,115) includes a
generally cylindrical supporting member and a generally
cylindrical liner secured therealong.
Claim 9
Dependent Claim
56 words
The supportive endoluminal graft in accordance
with any preceding claim, wherein said trunk component
(101) has a trunk liner (122,123) which includes a
compliant wall of essentially inert biocompatible
material, said trunk liner being attached to the internal
surface of the trunk component, said compliant wall
having a diameter size that expands with said trunk
component.
Claim 10
Dependent Claim
52 words
The supportive endoluminal graft in accordance
with claim 8, wherein said liner of the generally
cylindrical supportive leg component (108,115) is a
compliant wall of essentially insert biocompatible
material, said compliant wall being applied onto at least
the internal surface of the generally cylindrical tubular
supporting member of the leg component (108,115).
Claim 11
Dependent Claim
35 words
The supportive endoluminal graft in accordance
with any preceding claim, wherein said generally
cylindrical supportive leg component (108,115), when
deployed, is telescopically slidably positioned within
one of said leg portions (109,113) of the trunk
component.
Claim 12
Dependent Claim
43 words
The supportive endoluminal graft in accordance
with claim 8, wherein said liner of the leg component
(108,115) is a compliant wall made from a porous material
that provides a structure which allows normal cellular
invasion thereinto from the body vessel when implanted
therewithin.
Claim 13
Dependent Claim
22 words
The supportive endoluminal graft in accordance
with claim 12, where said porous material is coated with
a thin layer of silicone rubber.
Claim 14
Dependent Claim
42 words
The supportive endoluminal graft in accordance
with any preceding claim, wherein said generally
cylindrical tubular supportive components (108,115)
include wire strands shaped as intersecting elongated
lengths integral with each other and defining openings
therebetween to form a braided mesh-shaped tubular
supporting member.
Claim 15
Dependent Claim
103 words
A branching expandable supportive endoluminal
graft comprising: an expandable supportive endoluminal graft component
which can be deployed individually at a selected location
within a body vessel, said supportive endoluminal graft
component being radially compressible and radially
expansible; characterised in that said expandable supportive
endoluminal graft component is a trunk component (101)
which is generally tubular and has a first portion (118)
with a given diameter and a second portion (119)
including a longitudinally disposed indent (124)
generally defining at least two leg portions (109,113),
each with a diameter less than said given diameter, and
each said leg portion has a leg opening (126,127).
Claim 16
Dependent Claim
50 words
The supportive endoluminal graft in accordance
with any of claims 1 to 15, wherein said trunk component
has a plurality of said indents (124,125), each indent
having a longitudinal internal surface, and said
longitudinal internal surfaces engage each other thereby
to define said leg portion (109,113) to be generally
cylindrical.
Claim 17
Dependent Claim
21 words
The supportive endoluminal graft in accordance
with claim 16, wherein said longitudinal internal
surfaces are longitudinal edges that are secured
together.
Claim 18
Dependent Claim
61 words
The supportive endoluminal graft in accordance
with claim 15, wherein said trunk component (101) has a
polymeric porous wall (122) of essentially insert
biocompatible material, said compliant porous wall being
applied onto at least said internal surface of the
tubular supporting component, and said polymeric wall has
a longitudinally disposed crease which lies along said
indent (124) of the trunk component.
Claim 19
Dependent Claim
49 words
The supportive endoluminal graft in accordance
with claim 1 or claim 15, wherein said trunk component
(101) includes a third portion (120) having a diameter
approximating said given diameter of the first portion
(118), and said second portion (119) is positioned
between said first portion and said third portion.
Claim 20
Dependent Claim
23 words
The supportive endoluminal graft in accordance
with claim 19, wherein said first portion (118) and said
third portion (120) are each generally cylindrical.
Claim 21
Dependent Claim
24 words
The supportive endoluminal graft in accordance
with claim 12 or claim 18, wherein said porous material
of said compliant wall is an elastomeric polymer.
Claim 22
Dependent Claim
27 words
The supportive endoluminal graft in accordance
with any one of claims 12, 18 or 21, wherein said porous
material of said compliant wall is a polycarbonate
urethane.
Claim 23
Dependent Claim
35 words
The supportive endoluminal graft in accordance
with claim 9 or claim 18, wherein said trunk wall
includes an interior liner (123) and an intermediate
liner (122) between said interior liner and said tubular
supporting component.
Claim 24
Dependent Claim
29 words
The supporting endoluminal graft in accordance
with any preceding claim, wherein said trunk component
includes a plurality of wire strands with open areas
therebetween to form a braided mesh.
Claim 25
Dependent Claim
35 words
The supportive endoluminal graft in accordance
with claim 24, wherein said wire strands include a
plurality of individual strands which are longitudinally
adjacent to and in contact with each other in a braided,
crossing configuration.
Claim 26
Dependent Claim
24 words
The supportive endoluminal graft in accordance
with any preceding claim, wherein the endoluminal graft
is subjected to surface treatment with a compliant
adhesive-like polymer.
Claim 27
Dependent Claim
18 words
The supportive endoluminal graft in accordance
with claim 26, wherein the compliant adhesive-like
polymer is a polycarbonate urethane.
Claim 28
Independent Claim
83 words
A method for manufacturing a branched tubular
supporting component for an endoluminal graft,
comprising: forming an expandable tubular supportive endoluminal
graft component, said component being a trunk component
(101), characterised by crimping at least one
longitudinal portion (119) of said tubular supportive
component to form at least one longitudinal disposed
indent (124) therein to provide at least two leg portions
(109,113), each with a diameter less than the diameter of
the trunk component and each said leg portion having a
leg opening (126,127).
Claim 29
Dependent Claim
27 words
A method as claimed in claim 28, wherein one
longitudinally disposed indent (124) is formed to provide
a double lumen portion (119) of said tubular supportive
component.
Claim 30
Dependent Claim
25 words
A method as claimed in claim 28, wherein two
longitudinally disposed indents are formed to provide a
triple lumen portion of said tubular supportive
component.
Claim 31
Dependent Claim
26 words
A method as claimed in claim 28, wherein two
longitudinally disposed indents (124,125) are formed to
provide a double lumen portion of said tubular supportive
component.
Claim 32
Dependent Claim
25 words
A method as claimed in claim 28, wherein three
longitudinally disposed indents are formed to provide a
quadruple lumen portion of said tubular supportive
component.
Claim 33
Independent Claim
31 words
A method as claimed in any of claims 28-32,
wherein said tubular supportive component comprises a
cylindrical braided mesh tube that is made by braiding
metal strands into a cylindrical member.
Claim 34
Independent Claim
28 words
A method as claimed in any of claims 28-33,
further comprising the step of attaching an adhesive
layer to the inside surface of the crimped tubular
supportive component.
Claim 35
Dependent Claim
29 words
A method as claimed in claim 34, further
comprising the step of inserting a polymeric pliant tube
within the crimped tubular supportive component into
engagement with said adhesive layer.
Claim 36
Dependent Claim
56 words
A method as claimed in claim 35, further
comprising the step of applying pressure to secure the
polymeric compliant tube onto the inside surface of the
crimped tubular supportive component and to form a crease
in the polymeric compliant tube that generally conforms
in shape and size to the indent of the crimped tubular
supportive component.
Claim 37
Independent Claim
87 words
A method as claimed in any of claims 28-36,
wherein said crimping step defines at least two leg
portions (109,113), each leg portion defining a leg
opening (126,127) having an internal diameter less than
that of the tubular supportive component prior to said
crimping step; and further comprising the step of forming
a generally cylindrical supporting leg component
(108,115) that includes a tubular supporting member
having an external diameter that is less than the
internal diameter of a leg opening (126,127) of the
crimped tubular supportive component.
References Cited (Backward Citations)
No citation records indexed.
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