US6432131B1 — Method and apparatus for intraluminally implantin…

Claim 1

Independent Claim 112 words

An intraluminal prosthesis for intraluminal repair of a proximal location within a body lumen from a distal location outside said body lumen, said prosthesis comprising: a generally tubular, flexible graft having a proximal portion with a proximal open end having a first diameter and at least one leg having a distal open end having a second diameter smaller than said first diameter, wherein said at least one leg has a first distal portion adapted to be inverted proximally during introduction to the body lumen and to be extended distally when fully deployed; and at least one stent disposed within and attached to said graft for anchoring said graft within said body lumen.

Claim 2

Dependent Claim 112 words

An intraluminal prosthesis for intraluminal repair of a proximal location within a body lumen from a distal location outside said body lumen, said prosthesis comprising: a generally tubular, flexible graft having a proximal portion with a proximal open end having a first diameter and at least one leg having a distal open end having a second diameter smaller than said first diameter, wherein said at least one leg has a first distal portion adapted to be inverted proximally during introduction to the body lumen and to be extended distally when fully deployed; and at least one stent disposed within and attached to said graft for anchoring said graft within said body lumen.

Claim 3

Dependent Claim 25 words

The prosthesis of claim 1 , wherein the material of said graft is selected from the group consisting of: polyester, polytetrafluoroethylene, and porous polyethylene urethane.

Claim 4

Dependent Claim 14 words

The prosthesis of claim 2 , wherein said graft is coated with a coating.

Claim 5

Dependent Claim 16 words

The prosthesis of claim 3 , wherein said material is polytetrafluoroethylene and said coating is polyester.

Claim 6

Dependent Claim 15 words

The prosthesis of claim 1 , wherein said at least one leg is axially stretchable.

Claim 7

Dependent Claim 25 words

The prosthesis of claim 1 , wherein said at least one leg comprises a plurality of legs wherein the lengths of said legs are equal.

Claim 8

Dependent Claim 38 words

The prosthesis of claim 1 , wherein said at least one leg comprises a plurality of legs wherein the lengths of said legs are initially equal, but at least one leg is axially stretchable to a longer length.

Claim 9

Dependent Claim 28 words

The prosthesis of claim 1 , wherein said first distal portion of said leg has a length adequate to be grasped by a catheter and intraluminally extended distally.

Claim 10

Dependent Claim 27 words

The prosthesis of claim 1 , wherein said at least one leg has a second distal portion adapted to be inverted distally from said first distal portion.

Claim 11

Dependent Claim 22 words

The prosthesis of claim 1 , wherein said at least one leg is tapered along the length toward the distal open end.

Claim 12

Dependent Claim 49 words

The prosthesis of claim 1 , wherein said first distal portion has a diameter at its distal end equal to said second diameter, and an axial portion of said leg proximal said first distal portion has a diameter larger than said second diameter and smaller than said first diameter.

Claim 13

Dependent Claim 25 words

The prosthesis of claim 11 , wherein the axial portion of said leg comprises a tapered diameter from said first diameter to said second diameter.

Claim 14

Dependent Claim 82 words

The prosthesis of claim 1 , wherein: said at least one leg has a second distal portion adapted to be inverted distally from said first distal portion, said second distal portion having a diameter equal to said second diameter and first distal portion having a third diameter greater than said second diameter; and said at least one leg has an axial portion proximal said first distal portion having a fourth diameter greater than said third diameter and smaller than said first diameter.

Claim 15

Dependent Claim 30 words

The prosthesis of claim 13 , wherein the axial portion of said leg proximal said first distal portion comprises a tapered diameter from said first diameter to said third diameter.

Claim 16

Dependent Claim 15 words

The prosthesis of claim 14 , wherein said at least one leg comprises two legs.

Claim 17

Dependent Claim 18 words

The prosthesis of claim 15 , wherein only one of said two legs is adapted to be inverted.

Claim 18

Dependent Claim 61 words

The prosthesis of claim 1 , wherein said at least one stent comprises: a first stent disposed within and attached to at least said first distal portion of said at least one leg including at said distal open end, a second stent disposed within and attached to at least said proximal portion of said graft including at said proximal open end.

Claim 19

Dependent Claim 28 words

The prosthesis of claim 17 , wherein said first stent protrudes distally from said distal open end and said second stent protrudes proximally from said proximal open end.

Claim 20

Dependent Claim 45 words

The prosthesis of claim 17 , wherein said at least one leg comprises two legs, said first stent is disposed in one of said legs, and said at least one stent further comprises a third stent disposed in and attached to another of said legs.

Claim 21

Dependent Claim 31 words

The prosthesis of claim 1 , wherein said at least one stent comprises a single, integral stent extending from said proximal open end to said distal open end of said graft.

Claim 22

Dependent Claim 26 words

The prosthesis of claim 20 , wherein said stent protrudes proximally from said proximal open end and distally from said distal open end of said graft.

Claim 23

Dependent Claim 49 words

The prosthesis of claim 1 , wherein said at least one stent is expandable from a first narrow diameter to a second wider diameter and comprises one of: a plexus of wires adapted for expansion by an internal force, a self-expandable plexus of wires, or polymeric expandable structural members.

Claim 24

Dependent Claim 29 words

The prosthesis of claim 22 further comprising a polymeric composition in at least said first distal portion, said polymeric composition adapted to harden when expanded and activated by heat.

Claim 25

Dependent Claim 82 words

An intraluminal prosthesis for intraluminal repair of a proximal location within a body lumen from a distal location outside said body lumen, said prosthesis comprising: a generally tubular, flexible graft having a proximal portion with a proximal open end and at least one leg having a distal open end and a first distal portion adapted to be inverted proximally and radially inwardly; and at least one stent disposed within and attached to said graft for anchoring said graft within said body lumen.

Claim 26

Dependent Claim 82 words

An intraluminal prosthesis for intraluminal repair of a proximal location within a body lumen from a distal location outside said body lumen, said prosthesis comprising: a generally tubular, flexible graft having a proximal portion with a proximal open end and at least one leg having a distal open end and a first distal portion adapted to be inverted proximally and radially inwardly; and at least one stent disposed within and attached to said graft for anchoring said graft within said body lumen.

Claim 27

Dependent Claim 30 words

The prosthesis of claim 24 , wherein said at least one leg has a second distal portion adapted to be inverted distally and radially inwardly from said first distal portion.

Claim 28

Independent Claim 178 words

A method of implanting a prosthesis for intraluminal repair of a proximal location within a body lumen from a distal location outside said body lumen, wherein said prosthesis comprises: (a) a generally tubular, flexible graft having a proximal open end and at least one leg having a distal open end and a distal portion adapted to be inverted proximally and radially inwardly, with a polymeric composition in at least said distal portion, said polymeric composition adapted to harden when expanded and activated by heat; and (b) at least one stent disposed within and attached to said graft for anchoring said graft within said body lumen, the method comprising: inserting said prosthesis into said body lumen in said proximal location and expanding said at least one stent to anchor at least said proximal open end of said graft to said body lumen; intraluminally engaging and withdrawing said distal portion, thereby extending said at least one leg distally; and expanding and heating at least said distal portion to harden said polymeric composition and anchor said leg within said body lumen.

Claim 29

Independent Claim 178 words

A method of implanting a prosthesis for intraluminal repair of a proximal location within a body lumen from a distal location outside said body lumen, wherein said prosthesis comprises: (a) a generally tubular, flexible graft having a proximal open end and at least one leg having a distal open end and a distal portion adapted to be inverted proximally and radially inwardly, with a polymeric composition in at least said distal portion, said polymeric composition adapted to harden when expanded and activated by heat; and (b) at least one stent disposed within and attached to said graft for anchoring said graft within said body lumen, the method comprising: inserting said prosthesis into said body lumen in said proximal location and expanding said at least one stent to anchor at least said proximal open end of said graft to said body lumen; intraluminally engaging and withdrawing said distal portion, thereby extending said at least one leg distally; and expanding and heating at least said distal portion to harden said polymeric composition and anchor said leg within said body lumen.

Claim 30

Independent Claim 156 words

A method of intraluminally implanting a graft within an aorta, said method comprising: intraluminally inserting in an iliac artery branching from said aorta a generally tubular, flexible graft with a proximal portion with a proximal open end and at least one leg having a distal open end and a first distal portion adapted to be inverted proximally and radially inwardly and with at least one stent disposed within and attached to said graft; locating the proximal open end of said graft in a predetermined position within said aorta; expanding said at least one stent at said proximal end to anchor the proximal open end of said graft within said aorta; causing said distal portion of said leg to protrude distally from said proximal portion into an iliac artery; and expanding said at least one stent at said distal end to anchor the distal open end of said graft within said iliac artery thereby implanting said graft.

Claim 31

Independent Claim 156 words

A method of intraluminally implanting a graft within an aorta, said method comprising: intraluminally inserting in an iliac artery branching from said aorta a generally tubular, flexible graft with a proximal portion with a proximal open end and at least one leg having a distal open end and a first distal portion adapted to be inverted proximally and radially inwardly and with at least one stent disposed within and attached to said graft; locating the proximal open end of said graft in a predetermined position within said aorta; expanding said at least one stent at said proximal end to anchor the proximal open end of said graft within said aorta; causing said distal portion of said leg to protrude distally from said proximal portion into an iliac artery; and expanding said at least one stent at said distal end to anchor the distal open end of said graft within said iliac artery thereby implanting said graft.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2005-08-12	2006-02-11	2006-08-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2009-08-12	2010-02-11	2010-08-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2013-08-12	2014-02-11	2014-08-13	$7700.00	Window Closed / Lapsed

Method and apparatus for intraluminally implanting an endovascular aortic graft

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