US20040049262A1 — Stent valves and uses of same

Claim 1

Independent Claim 82 words

1 . A stent valve, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) a stent having a diameter, a proximal end, and a distal end, the stent sized to permit contact with the inner lumenal surface of the vessel; b) a valve having a proximal end and a distal end, the valve being at least partially located within an inner portion of the stent, wherein the valve comprises a biocompatible material.

Claim 2

Dependent Claim 82 words

1 . A stent valve, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) a stent having a diameter, a proximal end, and a distal end, the stent sized to permit contact with the inner lumenal surface of the vessel; b) a valve having a proximal end and a distal end, the valve being at least partially located within an inner portion of the stent, wherein the valve comprises a biocompatible material.

Claim 3

Dependent Claim 16 words

2 . The stent valve of claim 1 , wherein the stent is a self-expanding stent.

Claim 4

Dependent Claim 16 words

3 . The stent valve of claim 1 , wherein a sheath partially covers the stent.

Claim 5

Dependent Claim 17 words

4 . The stent valve of claim 3 , wherein the sheath further comprises substantially biocompatible material.

Claim 6

Dependent Claim 16 words

5 . The stent valve of claim 4 , wherein the stent is a self-expanding stent.

Claim 7

Dependent Claim 20 words

6 . The stent valve of claim 1 , wherein the stent has a diameter greater than the vessel diameter.

Claim 8

Dependent Claim 22 words

7 . The stent valve of claim 6 , wherein the stent has a diameter 110 percent greater than the vessel diameter.

Claim 9

Dependent Claim 16 words

8 . The stent valve of claim 6 , wherein a sheath partially covers the stent.

Claim 10

Dependent Claim 16 words

9 . The stent valve of claim 8 , wherein the sheath comprises a biological material.

Claim 11

Dependent Claim 15 words

10 . The stent valve of claim 9 , wherein the sheath comprises tissue submucosa.

Claim 12

Dependent Claim 27 words

11 . The stent valve of claim 10 , wherein the submucosa further comprises at least one of a gastric, liver, intestinal, urinary, stomach, and genito-urinary tissue.

Claim 13

Dependent Claim 32 words

12 . The stent valve of claim 1 , wherein the valve further comprises at least one leaflet, wherein the at least one leaflet is capable of preventing a backflow of blood.

Claim 14

Dependent Claim 21 words

13 . The stent valve of claim 1 , wherein the valve proximal end is connected to the stent proximal end.

Claim 15

Dependent Claim 21 words

14 . The stent valve of claim 13 , wherein the valve proximal end is sutured to the stent proximal end.

Claim 16

Dependent Claim 25 words

15 . The stent valve of claim 13 , wherein the valve proximal end is sutured at least 4 times to the stent proximal end.

Claim 17

Dependent Claim 25 words

16 . The stent valve of claim 13 , wherein the valve proximal end is sutured at least 7 times to the stent proximal end.

Claim 18

Dependent Claim 21 words

17 . The stent valve of claim 1 , wherein the valve distal end is connected to the stent distal end.

Claim 19

Dependent Claim 21 words

18 . The stent valve of claim 1 , wherein the valve distal end is sutured to the stent distal end.

Claim 20

Dependent Claim 25 words

19 . The stent valve of claim 18 , wherein the valve distal end is sutured at least 2 times to the stent distal end.

Claim 21

Dependent Claim 25 words

20 . The stent valve of claim 18 , wherein the valve distal end is sutured at least 3 times to the stent distal end.

Claim 22

Dependent Claim 25 words

21 . The stent valve of claim 1 , wherein an intermediate portion of the valve is connected to an intermediate portion of the stent.

Claim 23

Dependent Claim 23 words

22 . The stent valve of claim 1 , wherein an intermediate portion of the valve is connected to the stent distal end.

Claim 24

Dependent Claim 19 words

23 . The stent valve of claim 1 , wherein a valve opening extends substantially across the stent diameter.

Claim 25

Dependent Claim 22 words

24 . The stent valve of claim 23 , wherein the valve opening terminates at least 1 mm from a stent perimeter.

Claim 26

Dependent Claim 23 words

25 . The stent valve of claim 23 , wherein a reinforcement is generally located at a valve opening and a stent perimeter.

Claim 27

Dependent Claim 49 words

26 . The stent valve of claim 1 , wherein said stent is a radially expandable stent, said radially expandable stent having a first configuration adapted for delivery through a lumen of a delivery device, and a second configuration for conforming to an interior wall of a body vessel.

Claim 28

Dependent Claim 16 words

27 . The stent device of claim 26 , wherein the body vessel is a vein.

Claim 29

Dependent Claim 95 words

28 . A medical device, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) at least one stent, the at least one stent having a proximal end, a distal end, and a lumen extending therethrough; b) a valve having a proximal end and a distal end, the valve generally located within the lumen of the at least one stent; c) the valve distal end being secured to an intermediate portion of the at least one stent; and d) the valve further comprising a biological material.

Claim 30

Dependent Claim 95 words

28 . A medical device, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) at least one stent, the at least one stent having a proximal end, a distal end, and a lumen extending therethrough; b) a valve having a proximal end and a distal end, the valve generally located within the lumen of the at least one stent; c) the valve distal end being secured to an intermediate portion of the at least one stent; and d) the valve further comprising a biological material.

Claim 31

Dependent Claim 108 words

29 . A medical device, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) at least one stent, the at least one stent having a proximal end, a distal end, and a lumen extending therethrough; b) a valve having a proximal end and a distal end, the valve generally located within the lumen of the at least one stent; c) the valve distal end being secured to an intermediate portion of the at least one stent; and d) the valve further having a valve opening, the valve opening also further comprising a reinforcement disposed on the valve opening.

Claim 32

Dependent Claim 108 words

29 . A medical device, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) at least one stent, the at least one stent having a proximal end, a distal end, and a lumen extending therethrough; b) a valve having a proximal end and a distal end, the valve generally located within the lumen of the at least one stent; c) the valve distal end being secured to an intermediate portion of the at least one stent; and d) the valve further having a valve opening, the valve opening also further comprising a reinforcement disposed on the valve opening.

Claim 33

Dependent Claim 101 words

30 . A medical device, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) at least one stent, the at least one stent having a proximal end, a distal end, and a lumen extending therethrough; b) at least one valve having a proximal end and a distal end, the valve generally located within the lumen of the at least one stent c) the at least one valve distal end being partially secured to an inner portion of the at least one stent; and d) the valve further comprising a biological material.

Claim 34

Dependent Claim 101 words

30 . A medical device, suitable for placement in a vessel, the vessel further having a diameter and an inner lumenal surface, comprising: a) at least one stent, the at least one stent having a proximal end, a distal end, and a lumen extending therethrough; b) at least one valve having a proximal end and a distal end, the valve generally located within the lumen of the at least one stent c) the at least one valve distal end being partially secured to an inner portion of the at least one stent; and d) the valve further comprising a biological material.

Claim 35

Dependent Claim 175 words

31 . A radially-expandable stent valve device for placement in a body vessel, comprising: a self-expanding stent frame, said self-expanding stent frame conformable to a first, contracted state adapted for delivery through a lumen of a delivery device, and a second, expanded state for conforming a lumen of the vessel; a valve attached to said frame and functional to resist fluid flow in a first direction through said stent frame and permit fluid flow in a second direction through said stent frame opposite said first direction; said valve comprising a compliant biocompatible material defining at least one pocket member within said frame, said pocket member having an opening for receiving fluid flowing in said first direction and adapted to thereupon expand, said pocket member further adapted to contract upon impingement with fluid flowing in said second direction; and said biocompatible material sufficiently compliant and said pocket member defined wherein said valve remains functional after contraction of said stent frame to said first, contracted state and expansion of said stent frame to said second, expanded state.

Claim 36

Dependent Claim 175 words

31 . A radially-expandable stent valve device for placement in a body vessel, comprising: a self-expanding stent frame, said self-expanding stent frame conformable to a first, contracted state adapted for delivery through a lumen of a delivery device, and a second, expanded state for conforming a lumen of the vessel; a valve attached to said frame and functional to resist fluid flow in a first direction through said stent frame and permit fluid flow in a second direction through said stent frame opposite said first direction; said valve comprising a compliant biocompatible material defining at least one pocket member within said frame, said pocket member having an opening for receiving fluid flowing in said first direction and adapted to thereupon expand, said pocket member further adapted to contract upon impingement with fluid flowing in said second direction; and said biocompatible material sufficiently compliant and said pocket member defined wherein said valve remains functional after contraction of said stent frame to said first, contracted state and expansion of said stent frame to said second, expanded state.

Claim 37

Dependent Claim 21 words

32 . The stent valve device of claim 31 , wherein said valve comprises at least two of said pocket members.

Claim 38

Dependent Claim 29 words

33 . A medical assembly, comprising a stent valve device of any of claims 2 , 5 , 26 and 29 received within a lumen of a delivery device.

Claim 39

Dependent Claim 52 words

34 . A method for providing a valve in a body lumen, comprising: providing a delivery device having a lumen having received therein a stent valve device of any of claims 2 , 5 , 26 and 29 ; deploying said stent valve device from said delivery device within said body lumen.

Claim 40

Dependent Claim 16 words

35 . The method of claim 34 , wherein said body lumen is a venous lumen.

Claim 41

Dependent Claim 35 words

36 . The method of claim 35 , wherein said venous lumen is within a vein selected from a saphenous vein, a popliteal vein, a femoral vein, a tibial vein, and the inferior vena cava.

Stent valves and uses of same

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