US6312458B1 — Tubular structure/stent/stent securement member

Claim 1

Independent Claim 105 words

An endoluminal prosthesis comprising: an elongate polytetrafluoroethylene tubular member having a luminal surface, an exterior surface and extending along a longitudinal axis; a diametrically deformable stent circumferentially disposed on the luminal or exterior surface of said tubular member, said stent being formed from an elongate wire helically wound defining a plurality of spaced apart windings disposed at a first angle with respect to said longitudinal axis, and an elongate securement member securing said stent to said tubular member, said securement member being helically arranged at a second angle with respect to said longitudinal axis, so that said first angle is non-congruent to said second angle.

Claim 2

Dependent Claim 105 words

An endoluminal prosthesis comprising: an elongate polytetrafluoroethylene tubular member having a luminal surface, an exterior surface and extending along a longitudinal axis; a diametrically deformable stent circumferentially disposed on the luminal or exterior surface of said tubular member, said stent being formed from an elongate wire helically wound defining a plurality of spaced apart windings disposed at a first angle with respect to said longitudinal axis, and an elongate securement member securing said stent to said tubular member, said securement member being helically arranged at a second angle with respect to said longitudinal axis, so that said first angle is non-congruent to said second angle.

Claim 3

Dependent Claim 17 words

The endoluminal prosthesis according to claim 1 wherein said securement member is a substantially flat, thin suture.

Claim 4

Dependent Claim 30 words

The endoluminal prosthesis according to claim 2 wherein said securement member is formed of a textile material, said material being selected from the group consisting of PET, PTFE, and ePTFE.

Claim 5

Dependent Claim 22 words

The endoluminal prosthesis according to claim 1 wherein said securement member secures said stent to said exterior surface of said tubular member.

Claim 6

Dependent Claim 17 words

The endoluminal prosthesis according to claim 1 wherein said securement member is adhered to said tubular member.

Claim 7

Dependent Claim 21 words

The endoluminal prosthesis according to claim 5 wherein said securement member is noncontinuously adhered to said tubular member at certain points.

Claim 8

Dependent Claim 27 words

The endoluminal prosthesis according to claim 5 wherein said securement member is continuously adhered to said tubular member wherever said securement member interfaces with said tubular member.

Claim 9

Dependent Claim 35 words

The endoluminal prosthesis according to claim 1 wherein said spaced apart windings of said stent include successive upper and lower wave-like peaks, and wherein said successive peaks are connected via leg segments of the stent.

Claim 10

Dependent Claim 31 words

The endoluminal prosthesis according to claim 8 wherein said successive upper and lower wave-like peaks of longitudinally adjacent windings of said stent are nested along the length of said longitudinal axis.

Claim 11

Dependent Claim 33 words

The endoluminal prosthesis according to claim 8 wherein said upper wave-like peaks of said windings meet said lower wave-like peaks of longitudinally adjacent windings to form elbows of coincidence between said adjacent windings.

Claim 12

Dependent Claim 31 words

The endoluminal prosthesis according to claim 10 wherein said securement member secures said stent at said elbows of coincidence by forming an eyelet securing said adjacent upper and lower peaks together.

Claim 13

Dependent Claim 22 words

The endoluminal prosthesis according to claim 8 wherein said securement member weaves in and out of said leg segments of said stent.

Claim 14

Dependent Claim 27 words

The endoluminal prosthesis according to claim 8 wherein said securement member secures said stent to said tubular member by forming loops around leg segments of said stent.

Claim 15

Dependent Claim 56 words

The endoluminal prosthesis according to claim 1 wherein said securement member is helically wound at said second angle with respect to said longitudinal axis, and further helically wound at a third angle with respect to said longitudinal axis, in such a manner that said third angle does not equal said second angle and said first angle.

Claim 16

Dependent Claim 47 words

The endoluminal prosthesis according to claim 14 wherein said second and third angles of said securement member are angularly oriented with respect to said longitudinal axis in such a manner that said securement member intersects itself at nodes of intersection as a result of said angular orientation.

Claim 17

Dependent Claim 25 words

The endoluminal prosthesis according to claim 15 wherein said securement member is adhered together and to the polytetrafluoroethylene tubular member at said nodes of intersection.

Claim 18

Independent Claim 115 words

A method of making an endoluminal prosthesis comprising: providing a polytetrafluoroethylene tubular member, said tubular member comprising a luminal surface, an exterior surface, and a longitudinal axis; disposing a diametrically deformable stent circumferentially on the luminal or exterior surface of said tubular member, said stent being formed from an elongate wire helically wound defining a plurality of spaced apart windings disposed at first angle with respect to said longitudinal axis; and helically wrapping an elongate securement member to secure said stent to said tubular member, said elongate securement member being wrapped at a second angle with respect to said longitudinal axis so that said second angle being non-congruent to said first angle of said stent.

Claim 19

Independent Claim 115 words

A method of making an endoluminal prosthesis comprising: providing a polytetrafluoroethylene tubular member, said tubular member comprising a luminal surface, an exterior surface, and a longitudinal axis; disposing a diametrically deformable stent circumferentially on the luminal or exterior surface of said tubular member, said stent being formed from an elongate wire helically wound defining a plurality of spaced apart windings disposed at first angle with respect to said longitudinal axis; and helically wrapping an elongate securement member to secure said stent to said tubular member, said elongate securement member being wrapped at a second angle with respect to said longitudinal axis so that said second angle being non-congruent to said first angle of said stent.

Claim 20

Dependent Claim 16 words

The method according to claim 17 wherein said securement member is a substantially flat, thin suture.

Claim 21

Dependent Claim 33 words

The method according to claim 17 wherein said securement member is formed of a spun web type of textile material, said material being selected from the group consisting of PET, PTFE, and ePTFE.

Claim 22

Dependent Claim 21 words

The method according to claim 17 wherein said securement member secures said stent to said exterior surface of said tubular member.

Claim 23

Dependent Claim 16 words

The method according to claim 17 wherein said securement member is adhered to said tubular member.

Claim 24

Dependent Claim 20 words

The method according to claim 21 wherein said securement member is adhered to said tubular member noncontinuously at certain points.

Claim 25

Dependent Claim 26 words

The method according to claim 21 wherein said securement member is continuously adhered to the tubular member wherever said securement member interfaces with said tubular member.

Claim 26

Dependent Claim 17 words

The method according to claim 17 wherein said securement member is adhesively adhered to said tubular member.

Claim 27

Dependent Claim 21 words

The method according to claim 24 wherein said securement member is adhesively adhered to said tubular member noncontinuously at certain points.

Claim 28

Dependent Claim 27 words

The method according to claim 24 wherein said securement member is continuously adhesively adhered to said tubular member wherever said securement member interfaces with said tubular member.

Claim 29

Dependent Claim 44 words

The method according to claim 17 wherein said stent is formed from an elongate wire helically wound with a plurality of longitudinally spaced turns including successive upper and lower wave-like peaks, and wherein said successive peaks are connected via leg segments of the stent.

Claim 30

Dependent Claim 21 words

The method according to claim 27 wherein said securement member weaves in and out of said leg segments of said stent.

Claim 31

Dependent Claim 53 words

The method according to claim 17 wherein said securement member is helically wound at said second angle with respect to said longitudinal axis of said tubular member, and further helically wound at a third angle with respect to said longitudinal axis of said tubular member, said second and third angles being not equivalent.

Claim 32

Dependent Claim 46 words

The method according to claim 29 wherein said second and third angles of said securement member are angularly oriented with respect to said longitudinal axis in such a manner that said securement member intersects itself at nodes of intersection as a result of said angular orientation.

Claim 33

Dependent Claim 19 words

The method according to claim 30 wherein said securement member is adhesively adhered together at said nodes of intersection.

Claim 34

Dependent Claim 24 words

The method according to claim 31 wherein said securement member is adhesively adhered to the expanded polytetrafluoroethylene tubular member at said nodes of intersection.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2004-11-05	2005-05-07	2005-11-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2008-11-05	2009-05-07	2009-11-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2012-11-05	2013-05-07	2013-11-06	$7700.00	Window Closed / Lapsed

Tubular structure/stent/stent securement member

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