US6077296A — Endoluminal vascular prosthesis

Claim 1

Independent Claim 120 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 segment, each tubular segment comprising a series of proximal and distal bends, wherein the tubular segments are joined by a connector extending therebetween; wherein the first and second segments and the connector are formed from a single length of wire; and wherein at least a first distal bend in the first tubular segment is connected to at least a first proximal bend in the second tubular segment, and at least one of the first proximal bend and the first distal bend includes an eye thereon.

Claim 2

Dependent Claim 120 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 segment, each tubular segment comprising a series of proximal and distal bends, wherein the tubular segments are joined by a connector extending therebetween; wherein the first and second segments and the connector are formed from a single length of wire; and wherein at least a first distal bend in the first tubular segment is connected to at least a first proximal bend in the second tubular segment, and at least one of the first proximal bend and the first distal bend includes an eye thereon.

Claim 3

Dependent Claim 15 words

An endoluminal prosthesis as in claim 1, comprising at least three segments and two connectors.

Claim 4

Dependent Claim 15 words

An endoluminal prosthesis as in claim 1, comprising at least five segments and four connectors.

Claim 5

Dependent Claim 38 words

An endoluminal prosthesis as in claim 1, comprising a series of struts connecting the proximal bends and distal bends within a segment to form a tubular segment wall, wherein at least some of the struts are substantially linear.

Claim 6

Dependent Claim 38 words

An endoluminal prosthesis as in claim 1, wherein one or more eyes on a distal end of the first tubular segment are connected to one or more corresponding eyes on a proximal end of the second tubular segment.

Claim 7

Dependent Claim 21 words

An endoluminal prosthesis as in claim 1, wherein each segment comprises from about 4 proximal bends to about 12 proximal bends.

Claim 8

Dependent Claim 35 words

An endoluminal prosthesis as in claim 1, having at least a proximal segment, an intermediate segment and a distal segment, wherein the prosthesis is expandable from a reduced cross section to an expanded cross section.

Claim 9

Dependent Claim 37 words

An endoluminal prosthesis as in claim 7, 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 10

Dependent Claim 16 words

An endoluminal prosthesis as in claim 1, further comprising a polymeric layer on the wire support.

Claim 11

Dependent Claim 24 words

An endoluminal prosthesis as in claim 9, wherein the layer comprises a tubular PTFE sleeve surrounding at least a central portion of the prosthesis.

Claim 12

Dependent Claim 15 words

An endoluminal prosthesis as in claim 5, wherein corresponding eyes are connected with a suture.

Claim 13

Dependent Claim 15 words

An endoluminal prosthesis as in claim 5, wherein corresponding eyes are connected with a ring.

Claim 14

Dependent Claim 13 words

An endoluminal prosthesis as in claim 9, wherein the polymeric layer comprises PTFE.

Claim 15

Dependent Claim 16 words

An endoluminal prosthesis as in claim 9, wherein the support is embedded in the polymeric layer.

Claim 16

Dependent Claim 13 words

An endoluminal prosthesis as in claim 14, wherein the polymeric layer comprises PTFE.

Claim 17

Independent Claim 119 words

A method of making an endoluminal prosthesis, comprising the steps of: providing a length of wire; forming the wire into two or more zig-zag sections, each zig-zag section comprising a series of proximal and distal bends, wherein the zig-zag sections are separated by a crosslink; forming at least one eye on at least one of the proximal and distal bends; rolling the formed wire about an axis to produce a series of tubular elements positioned along the axis such that each tubular element is connected to an adjacent tubular element by a link; and connecting at least some of the proximal bends in one tubular element to at least some of the distal bends in the adjacent tubular element.

Claim 18

Independent Claim 119 words

A method of making an endoluminal prosthesis, comprising the steps of: providing a length of wire; forming the wire into two or more zig-zag sections, each zig-zag section comprising a series of proximal and distal bends, wherein the zig-zag sections are separated by a crosslink; forming at least one eye on at least one of the proximal and distal bends; rolling the formed wire about an axis to produce a series of tubular elements positioned along the axis such that each tubular element is connected to an adjacent tubular element by a link; and connecting at least some of the proximal bends in one tubular element to at least some of the distal bends in the adjacent tubular element.

Claim 19

Dependent Claim 25 words

A method as in claim 16, further comprising the step of positioning a tubular polymeric sleeve concentrically on at least one of the tubular elements.

Claim 20

Dependent Claim 25 words

A method as in claim 17, wherein the positioning step comprises positioning the tubular polymeric sleeve concentrically on the outside surface of the tubular element.

Claim 21

Dependent Claim 13 words

A method as in claim 18, wherein the tubular polymeric sleeve comprises PTFE.

Claim 22

Dependent Claim 102 words

A multizone 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, each tubular segment comprising a series of proximal and distal bends, wherein the tubular segments are joined by a connector extending therebetween; wherein the first tubular segment has a different radial strength than the second tubular segment; and wherein at least some of the proximal bends in the first tubular segment are connected to at least some of distal bends in the second tubular segment.

Claim 23

Dependent Claim 102 words

A multizone 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, each tubular segment comprising a series of proximal and distal bends, wherein the tubular segments are joined by a connector extending therebetween; wherein the first tubular segment has a different radial strength than the second tubular segment; and wherein at least some of the proximal bends in the first tubular segment are connected to at least some of distal bends in the second tubular segment.

Claim 24

Dependent Claim 32 words

An endoluminal prosthesis as in claim 20, further comprising a third tubular segment, wherein at least one of the tubular segments has a different radial strength than the other two tubular segments.

Claim 25

Dependent Claim 28 words

An endoluminal prosthesis as in claim 21, wherein a proximal end of the prosthesis is self expandable to a greater diameter than a central region of the prosthesis.

Claim 26

Dependent Claim 20 words

A multizone endoluminal prosthesis as in claim 20, further comprising an eye on at least one of the proximal bends.

Claim 27

Dependent Claim 20 words

A multizone endoluminal prosthesis as in claim 20, further comprising an eye on at least one of the distal bends.

Claim 28

Dependent Claim 131 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, at least one of the plurality of proximal bends and plurality of distal bends having loops thereon, with the wire continuing between each adjacent tubular segment, 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, and wherein at least some of the proximal bends in one tubular segment are connected to at least some of distal bends in the adjacent tubular segment.

Claim 29

Dependent Claim 131 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, at least one of the plurality of proximal bends and plurality of distal bends having loops thereon, with the wire continuing between each adjacent tubular segment, 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, and wherein at least some of the proximal bends in one tubular segment are connected to at least some of distal bends in the adjacent tubular segment.

Claim 30

Dependent Claim 16 words

An endoluminal prosthesis as in claim 25, comprising at least three segments formed from said wire.

Claim 31

Dependent Claim 21 words

An endoluminal prosthesis as in claim 26, further comprising an outer tubular sleeve surrounding at least a portion of the prosthesis.

Claim 32

Dependent Claim 20 words

An endoluminal prosthesis as in claim 27, wherein the sleeve further comprises at least one lateral perfusion port extending therethrough.

Claim 33

Dependent Claim 46 words

An endoluminal prosthesis as in claim 26, 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 34

Dependent Claim 29 words

An endoluminal prosthesis as in claim 25, wherein at least one distal bend on a first segment is connected to at least one proximal bend from an adjacent segment.

Claim 35

Dependent Claim 14 words

An endoluminal prosthesis as in claim 30, wherein the connection comprises a pivotable connection.

Claim 36

Dependent Claim 14 words

An endoluminal prosthesis as in claim 31, wherein the connection comprises a metal link.

Claim 37

Dependent Claim 13 words

An endoluminal prosthesis as in claim 31, wherein the connection comprises a suture.

Claim 38

Dependent Claim 19 words

An endoluminal prosthesis as in claim 25, wherein the prosthesis has an expansion ratio of at least about 1:4.

Claim 39

Dependent Claim 19 words

An endoluminal prosthesis as in claim 34, wherein the prosthesis has an expansion ratio of at least about 1:5.

Claim 40

Dependent Claim 38 words

An endoluminal prosthesis as in claim 25, wherein the prosthesis has an expanded diameter of at least about 20 mm in an unconstrained expansion, and the prosthesis is implantable using a catheter no greater than about 16 French.

Claim 41

Dependent Claim 36 words

A prosthesis as in claim 36, 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 16 French.

Claim 42

Independent Claim 195 words

A method of implanting an endoluminal vascular prosthesis, comprising the steps of: providing a self expandable endoluminal vascular prosthesis, having a proximal end, a distal end and a central lumen extending therethrough, said prosthesis comprising a plurality of axially adjacent tubular segments, 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, wherein at least some of the proximal bends in one tubular segment are connected to at least some of distal bends in the adjacent tubular segment, and wherein said prosthesis is expandable from a first, reduced diameter to a second, enlarged diameter; mounting the prosthesis on a catheter, such that when the prosthesis is in the reduced diameter configuration on the catheter, the catheter diameter through the prosthesis is no more than about 16 French; introducing the catheter into a body lumen, and positioning the prosthesis at a treatment site in the body lumen; releasing the prosthesis at the treatment site, such that the prosthesis expands from the first diameter to the second diameter; wherein the second diameter is at least about 20 mm.

Claim 43

Independent Claim 195 words

A method of implanting an endoluminal vascular prosthesis, comprising the steps of: providing a self expandable endoluminal vascular prosthesis, having a proximal end, a distal end and a central lumen extending therethrough, said prosthesis comprising a plurality of axially adjacent tubular segments, 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, wherein at least some of the proximal bends in one tubular segment are connected to at least some of distal bends in the adjacent tubular segment, and wherein said prosthesis is expandable from a first, reduced diameter to a second, enlarged diameter; mounting the prosthesis on a catheter, such that when the prosthesis is in the reduced diameter configuration on the catheter, the catheter diameter through the prosthesis is no more than about 16 French; introducing the catheter into a body lumen, and positioning the prosthesis at a treatment site in the body lumen; releasing the prosthesis at the treatment site, such that the prosthesis expands from the first diameter to the second diameter; wherein the second diameter is at least about 20 mm.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2003-06-20	2003-12-20	2004-06-20	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2007-06-20	2007-12-20	2008-06-20	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2011-06-20	2011-12-20	2012-06-20	$7700.00	Window Closed / Lapsed

Endoluminal vascular prosthesis

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