US20030163188A1 — Method and system for deploying multi-part endolu…

Claim 1

Independent Claim 133 words

1 . A method for deployment of a multi-part endoluminal device in a distal location in a body lumen from a proximal location, the device having at least a first portion and a second portion, each portion having a distal end and a proximal end, the method comprising the steps of: (a) deploying the first portion in a body lumen by aligning the first portion distal end in a desired location and then deploying a remainder of the first portion including the first portion proximal end; and (b) deploying the second portion in the body lumen by aligning and anchoring the second portion proximal end in a desired location and then deploying a remainder of the second portion including the second portion distal end in overlapping engagement with the first portion proximal end.

Claim 2

Dependent Claim 133 words

1 . A method for deployment of a multi-part endoluminal device in a distal location in a body lumen from a proximal location, the device having at least a first portion and a second portion, each portion having a distal end and a proximal end, the method comprising the steps of: (a) deploying the first portion in a body lumen by aligning the first portion distal end in a desired location and then deploying a remainder of the first portion including the first portion proximal end; and (b) deploying the second portion in the body lumen by aligning and anchoring the second portion proximal end in a desired location and then deploying a remainder of the second portion including the second portion distal end in overlapping engagement with the first portion proximal end.

Claim 3

Dependent Claim 42 words

2 . The method of claim 1 , wherein step (a) comprises deploying the first portion sequentially from the distal end to the proximal end and step (b) comprises deploying the second portion sequentially from the proximal end to the distal end.

Claim 4

Dependent Claim 129 words

3 . The method of claim 1 , wherein the first portion comprises a modular bifurcated device having a main body portion with a distal end, a first stump, and a second stump, each stump having a proximal end, and the second portion comprises at least one leg portion adapted to interface with the first stump, wherein step (a) comprises deploying the bifurcated device in a body lumen by aligning the distal end of the main body portion in a desired location and deploying the remainder of the first portion sequentially from the distal end to the first stump proximal end and second stump proximal end, and step (b) comprises deploying the leg portion with the leg portion distal end in overlapping engagement with the first stump proximal end.

Claim 5

Dependent Claim 33 words

4 . The method of claim 3 , wherein the bifurcated device is adapted to be deployed in an aorta and the leg portion is adapted to be deployed in an iliac artery.

Claim 6

Dependent Claim 25 words

5 . The method of claim 4 , wherein the desired location for the leg portion proximal end is distal of an internal iliac artery.

Claim 7

Dependent Claim 79 words

6 . The method of claim 3 , wherein the device further comprises a second leg portion having a distal end and a proximal end, the steps further comprising: (c) deploying the second leg portion in the body lumen by aligning and anchoring the second leg portion proximal end in a desired location and then deploying a remainder of the second leg portion including the second leg portion distal end in overlapping engagement with the second stump proximal end.

Claim 8

Dependent Claim 35 words

7 . The method of claim 6 , wherein the bifurcated device is adapted to be deployed in an aorta and the two leg portions are each adapted to be deployed in an iliac artery.

Claim 9

Dependent Claim 53 words

8 . The method of claim 6 , wherein step (a) comprises deploying the main body portion sequentially from the distal end to the proximal ends of the stumps and steps (b) and (c) comprise deploying each of the first and second leg portions sequentially from the proximal end to the distal end.

Claim 10

Dependent Claim 33 words

9 . The method of claim 6 , wherein the steps (a) and (b) are performed from a first proximal access location and step (c) is performed from a second proximal access location.

Claim 11

Dependent Claim 143 words

10 . The method of claim 3 , wherein the device further comprises a second leg portion having a distal end and a proximal end and a leg connector portion having a proximal end and a distal end and adapted to interface with the second stump and the second leg portion, the method further comprising the steps of: (c) deploying the leg connector portion by aligning the leg connector distal end with the second stump proximal end and then deploying a remainder of the leg connector including the leg connector proximal end; and (d) deploying the second leg portion in the body lumen by aligning and anchoring the second leg portion proximal end in a desired location and then deploying a remainder of the second leg portion including the second leg portion distal end in overlapping engagement with the leg connector proximal end.

Claim 12

Dependent Claim 35 words

11 . The method of claim 10 , wherein the steps (a) and (b) are performed from a first proximal access location and steps (c) and (d) are performed from a second proximal access location.

Claim 13

Dependent Claim 64 words

12 . The method of claim 10 , wherein steps (a) and (c) comprise deploying each of the main body portion and the leg connector sequentially from its respective distal ends to its respective proximal end or ends and steps (b) and (d) comprise deploying each of the first and second leg portions sequentially from its respective proximal end to its respective distal end.

Claim 14

Dependent Claim 250 words

13 . A method for deployment of a multi-part endoluminal device in a distal location in a body lumen from a proximal location, the device comprising a modular bifurcated device comprising a main body portion, two leg portions, and at least one leg connector portion, the main body portion having a distal end and two stump portions, each stump portion having a proximal end, the leg connector portion having a proximal end and a distal end, the leg connector portion adapted to interface with one of the two stump portions and one of the two leg portions, the method comprising the steps of: (a) deploying the main body portion by first aligning and anchoring the main body portion distal end in a desired location in the body lumen, and then deploying a remainder of the main body portion including the two stump portion proximal ends; (b) deploying the leg connector portion by first aligning and anchoring the leg connector portion distal end in one of the two stump portion proximal ends, and then deploying a remainder of the leg connector portion in the body lumen including the leg connector portion proximal end; and (c) deploying a first of the leg portions by first aligning and anchoring the proximal end of the first leg portion in a desired location in the body lumen and then deploying a remainder of the first leg portion such that the leg portion distal end is in overlapping engagement with the leg connector portion proximal end.

Claim 15

Dependent Claim 250 words

13 . A method for deployment of a multi-part endoluminal device in a distal location in a body lumen from a proximal location, the device comprising a modular bifurcated device comprising a main body portion, two leg portions, and at least one leg connector portion, the main body portion having a distal end and two stump portions, each stump portion having a proximal end, the leg connector portion having a proximal end and a distal end, the leg connector portion adapted to interface with one of the two stump portions and one of the two leg portions, the method comprising the steps of: (a) deploying the main body portion by first aligning and anchoring the main body portion distal end in a desired location in the body lumen, and then deploying a remainder of the main body portion including the two stump portion proximal ends; (b) deploying the leg connector portion by first aligning and anchoring the leg connector portion distal end in one of the two stump portion proximal ends, and then deploying a remainder of the leg connector portion in the body lumen including the leg connector portion proximal end; and (c) deploying a first of the leg portions by first aligning and anchoring the proximal end of the first leg portion in a desired location in the body lumen and then deploying a remainder of the first leg portion such that the leg portion distal end is in overlapping engagement with the leg connector portion proximal end.

Claim 16

Dependent Claim 122 words

14 . The method of claim 1 , wherein step (c) comprises (c1) inserting an introducer into the body lumen, the introducer comprising a retrograde portion; an anterograde portion; a shaft having a distal tip; an inner sheath mounted concentrically over the shaft with the endoluminal device mounted concentrically over the inner sheath; and an anterograde sheath proximally attached to the shaft distal tip, mounted over the endoluminal device in the anterograde portion of the introducer, and axially moveable relative to the inner sheath; (c2) aligning the introducer in a deployment location; (c3) extending the shaft to distally advance the anterograde sheath to deploy at least a distal portion of the endoluminal device; and (c4) removing the introducer from the body lumen.

Claim 17

Dependent Claim 74 words

15 . The method of claim 14 , wherein the introducer further comprises anchoring means in the anterograde portion for anchoring the endoluminal device during deployment of the device from a proximal end to a distal end of the device, the method comprising aligning the proximal end of the device with the deployment location in step (c2) and confining the endoluminal device between the anchoring means and the advancing anterograde sheath in step (c3).

Claim 18

Dependent Claim 79 words

16 . The method of claim 14 , wherein the introducer further comprises anchoring means for anchoring a proximal portion of the endoluminal device during deployment of the device from a proximal end to a distal end of the device, the method comprising aligning the proximal end of the device with the deployment location in step (c2), anchoring the proximal end prior to or during step (c3), and releasing the proximal end prior to or concurrently with step (c4).

Claim 19

Dependent Claim 57 words

17 . The method of claim 16 , wherein the anchoring means comprises an inflatable balloon and the anterograde sheath extends proximally over the balloon, in which the method further comprises in step (c3) partially advancing the anterograde sheath to expose the balloon, inflating the balloon, completing advancement of the anterograde sheath, and then deflating the balloon.

Claim 20

Dependent Claim 35 words

18 . The method of claim 16 , wherein the anchoring means comprises an inflatable balloon, and the method further comprises inflating the balloon prior to step (c3) and deflating the balloon after step (c3).

Claim 21

Dependent Claim 70 words

19 . The method of claim 18 , wherein the introducer further comprises a proximally retractable retrograde sheath mounted concentrically over the shaft and inner sheath and extending axially over the proximal end of the endoluminal device and the balloon, the method further comprising retracting the retrograde sheath prior to inflating the balloon, and inflating the balloon to anchor the proximal end of the endoluminal device against the body lumen.

Claim 22

Dependent Claim 70 words

20 . The method of claim 18 , wherein the introducer further comprises a proximally retractable retrograde sheath mounted concentrically over the shaft and inner sheath and extending axially over the proximal end of the endoluminal device and the balloon, the method further comprising inflating the balloon to anchor the proximal end of the endoluminal device against the retrograde sheath and then retracting the retrograde sheath after deflating the balloon.

Claim 23

Dependent Claim 101 words

21 . A system for deploying an endoluminal device, the system comprising: a first introducer loaded with a first endoluminal device having a distal end and a proximal end, the first introducer adapted to deploy the device sequentially from the distal end to the proximal end; a second introducer loaded with a second endoluminal device having a proximal end and a distal end adapted to engage the first endoluminal device proximal end, the second introducer adapted to anchor the proximal end of the second endoluminal device while deploying the second endoluminal device sequentially from the proximal end to the distal end.

Claim 24

Dependent Claim 101 words

21 . A system for deploying an endoluminal device, the system comprising: a first introducer loaded with a first endoluminal device having a distal end and a proximal end, the first introducer adapted to deploy the device sequentially from the distal end to the proximal end; a second introducer loaded with a second endoluminal device having a proximal end and a distal end adapted to engage the first endoluminal device proximal end, the second introducer adapted to anchor the proximal end of the second endoluminal device while deploying the second endoluminal device sequentially from the proximal end to the distal end.

Claim 25

Dependent Claim 28 words

22 . The system of claim 21 , wherein the second endoluminal device distal end is adapted to be deployed radially within the first endoluminal device proximal end.

Claim 26

Dependent Claim 35 words

23 . The system of claim 22 , wherein the second endoluminal device distal end is adapted to laterally overlap the first endoluminal device proximal end along a length of at least about 2 centimeters.

Claim 27

Dependent Claim 52 words

24 . The system of claim 21 , wherein the first endoluminal device comprises a bifurcated device having a main body portion with a distal end, and two stumps, each stump having a proximal end, and the second endoluminal device comprises a first leg portion adapted to interface with the first stump.

Claim 28

Dependent Claim 118 words

25 . The system of claim 21 , wherein the first endoluminal device comprises a bifurcated device having a main body portion with a distal end, a first stump with a proximal end, and a second stump with a proximal end, in which the second endoluminal device comprises a first leg portion adapted to interface with the first stump, and the system further comprises a third introducer loaded with a second leg portion having a proximal end and a distal end adapted to engage the second stump proximal end, the third introducer adapted to anchor the proximal end of the second leg portion while deploying the second leg portion sequentially from the proximal end to the distal end.

Claim 29

Dependent Claim 100 words

26 . The system of claim 21 further comprising a third introducer loaded with a bifurcated endoluminal device having a main body portion with a distal end, a first stump with a proximal end, and a second stump with a proximal end, the third introducer adapted to deploy the main body portion sequentially from the distal end to the first and second stump proximal ends; wherein the first endoluminal device is a leg connector adapted to interface with the first stump proximal end, and the second endoluminal device comprises a first leg portion adapted to interface with the leg connector.

Claim 30

Dependent Claim 63 words

27 . The system of claim 26 further comprising: a fourth introducer loaded with a second leg portion having a proximal end and a distal end adapted to engage the second stump proximal end, the fourth introducer adapted to anchor the proximal end of the second leg portion while deploying the second leg portion sequentially from the proximal end to the distal end.

Claim 31

Dependent Claim 70 words

28 . The system of claim 21 , wherein the second introducer comprises: a shaft having a distal tip; an inner sheath mounted concentrically over the shaft; the endoluminal device mounted concentrically over the inner sheath, and an anterograde sheath attached distally to the distal tip, mounted over the endoluminal device in the anterograde portion of the introducer, and distally moveable relative to the inner sheath by moving the shaft.

Claim 32

Dependent Claim 75 words

29 . The system of claim 25 , wherein the second introducer and the third introducer each comprise: a shaft having a distal tip; an inner sheath mounted concentrically over the shaft; the endoluminal device mounted concentrically over the inner sheath, and an anterograde sheath attached distally to the distal tip, mounted over the endoluminal device in the anterograde portion of the introducer, and distally moveable relative to the inner sheath by moving the shaft.

Claim 33

Dependent Claim 75 words

30 . The system of claim 27 , wherein the second introducer and the fourth introducer each comprise: a shaft having a distal tip; an inner sheath mounted concentrically over the shaft; the endoluminal device mounted concentrically over the inner sheath, and an anterograde sheath attached distally to the distal tip, mounted over the endoluminal device in the anterograde portion of the introducer, and distally moveable relative to the inner sheath by moving the shaft.

Method and system for deploying multi-part endoluminal devices

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