US20090062838A1 — Spider device with occlusive barrier

Claim 1

Independent Claim 122 words

1 . An occlusion device for occluding a body vessel, the occlusion device comprising: a first hub extending from a proximal end to a distal end and along a central axis; a first plurality of arcuate legs distally extending from the first hub to a distal portion, the legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration; and a biocompatible material being attached to the plurality of legs and forming a barrier when deployed within the body vessel, the biocompatible material either extending along and between each of the first plurality of legs or forming a disk attached to at least one of the first plurality of legs.

Claim 2

Dependent Claim 122 words

1 . An occlusion device for occluding a body vessel, the occlusion device comprising: a first hub extending from a proximal end to a distal end and along a central axis; a first plurality of arcuate legs distally extending from the first hub to a distal portion, the legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration; and a biocompatible material being attached to the plurality of legs and forming a barrier when deployed within the body vessel, the biocompatible material either extending along and between each of the first plurality of legs or forming a disk attached to at least one of the first plurality of legs.

Claim 3

Dependent Claim 31 words

2 . The occlusion device of claim 1 further comprising a proximally extending member attached to the first hub, the proximally extending member including a plurality of radially extending proximal fibers.

Claim 4

Dependent Claim 31 words

3 . The occlusion device of claim 2 further comprising a distally extending member attached to the first hub, the distally extending member including a plurality of radially extending distal fibers.

Claim 5

Dependent Claim 21 words

4 . The occlusion device of claim 3 wherein the distally extending member and distal fibers extends beyond the biocompatible material.

Claim 6

Dependent Claim 73 words

5 . The occlusion device of claim 1 further comprising: the first plurality of arcuate legs being attached to the distal end of the first hub and a second plurality of arcuate legs being attached to the proximal end and proximally extending to a proximal section, the second plurality of legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration.

Claim 7

Dependent Claim 68 words

6 . The occlusion device of claim 1 further comprising: a second plurality of arcuate legs being attached to a second hub and proximally extending to a proximal section, the second plurality of legs being attached to the first plurality of legs at connection points and extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration.

Claim 8

Dependent Claim 25 words

7 . The occlusion device of claim 6 wherein the connection points may be at respective midpoints of the first and second plurality of legs.

Claim 9

Dependent Claim 78 words

8 . The occlusion device of claim 1 further comprising: a second plurality of arcuate legs being attached to a second hub and proximally extending to a proximal section, a distal end of the second hub being attached to the proximal end of the first hub by a connecting member, and the second plurality of legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration.

Claim 10

Dependent Claim 21 words

9 . The occlusion device of claim 8 wherein the connecting member further comprises a plurality of circumferentially spaced arcuate members.

Claim 11

Dependent Claim 25 words

10 . The occlusion device of claim 9 wherein a plurality of radially extending fibers are disposed within a volume defined by the arcuate members.

Claim 12

Dependent Claim 19 words

11 . The occlusion device of claim 8 wherein the connecting member includes a plurality of radially extending fibers.

Claim 13

Dependent Claim 106 words

12 . The occlusion device of claim 1 further comprising: a second plurality of arcuate legs being attached to a second hub and proximally extending to a proximal section, a proximal end of the second hub being attached to the distal end of the first hub by a connecting member, the second plurality of legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration, a length of the connecting member being selected such that the distal sections of the second plurality of legs oppose the distal portions of the first plurality of legs.

Claim 14

Dependent Claim 19 words

13 . The occlusion device of claim 12 wherein the connecting member includes a plurality of radially extending fibers.

Claim 15

Dependent Claim 26 words

14 . The occlusion device of claim 1 wherein a distal portion of the legs include a distal end segment angled back toward the central axis.

Claim 16

Dependent Claim 16 words

15 . The occlusion device of claim 1 wherein the biocompatible material includes an extracellular matrix.

Claim 17

Dependent Claim 16 words

16 . The occlusion device of claim 15 wherein the extracellular matrix includes small intestine submucosa.

Claim 18

Dependent Claim 26 words

17 . The occlusion device of claim 1 wherein the biocompatible material includes at least one of nylon, rayon, polyester, polytetrafluoroethylene, biocompatible polyurethanes, and mixtures thereof.

Claim 19

Dependent Claim 23 words

18 . The occlusion device of claim 1 wherein first hub includes a wall defining a first lumen extending along the central axis.

Claim 20

Dependent Claim 20 words

19 . The occlusion device of claim 18 wherein a coupling appendage extends from the wall into the first lumen.

Claim 21

Dependent Claim 17 words

20 . The occlusion device of claim 19 wherein the coupling appendage comprises an inwardly projecting flange.

Claim 22

Dependent Claim 18 words

21 . The occlusion device of claim 1 wherein the plurality of legs includes at least six legs.

Claim 23

Dependent Claim 232 words

22 . A delivery assembly for placing and retrieving an occlusion device for occluding a body vessel, the assembly comprising: an outer sheath having a tubular body extending from a proximal part to a distal part and the tubular body including a sheath lumen extending therethrough; an inner member extending from a proximal portion to a distal portion, the inner member being disposed within the sheath lumen and configured for axial movement relative to the outer sheath; the occlusion device being coaxially disposed within the sheath lumen and removably coupled to the distal portion of the inner member and deployable through the distal part of the outer sheath by means of the relative axial movement of the inner member, the occlusion device comprising: at least one hub extending from a proximal end to a distal end and including a tubular wall defining a lumen having a central axis and a coupling appendage, the coupling member being in engagement with the distal portion of the inner catheter; at least one plurality of arcuate legs being attached to the hub and extending distally to a distal portion, the legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration; and a biocompatible material being attached to the plurality of legs thereby forming at least one barrier when deployed within the body vessel.

Claim 24

Dependent Claim 232 words

22 . A delivery assembly for placing and retrieving an occlusion device for occluding a body vessel, the assembly comprising: an outer sheath having a tubular body extending from a proximal part to a distal part and the tubular body including a sheath lumen extending therethrough; an inner member extending from a proximal portion to a distal portion, the inner member being disposed within the sheath lumen and configured for axial movement relative to the outer sheath; the occlusion device being coaxially disposed within the sheath lumen and removably coupled to the distal portion of the inner member and deployable through the distal part of the outer sheath by means of the relative axial movement of the inner member, the occlusion device comprising: at least one hub extending from a proximal end to a distal end and including a tubular wall defining a lumen having a central axis and a coupling appendage, the coupling member being in engagement with the distal portion of the inner catheter; at least one plurality of arcuate legs being attached to the hub and extending distally to a distal portion, the legs extending radially away from the central axis in an open configuration and extending substantially along the central axis in a closed configuration; and a biocompatible material being attached to the plurality of legs thereby forming at least one barrier when deployed within the body vessel.

Claim 25

Dependent Claim 16 words

23 . The delivery assembly of claim 22 wherein the biocompatible material includes small intestine submucosa.

Claim 26

Dependent Claim 26 words

24 . The delivery assembly of claim 22 wherein the biocompatible material includes at least one of nylon, rayon, polyester, polytetrafluoroethylene, biocompatible polyurethanes, and mixtures thereof.

Claim 27

Dependent Claim 20 words

25 . The delivery assembly of claim 22 wherein the distal portion of the inner member includes a threaded section.

Claim 28

Dependent Claim 17 words

26 . The delivery assembly of claim 22 wherein the coupling member includes an inwardly projecting flange.

Claim 29

Dependent Claim 117 words

27 . A method of occluding a body vessel having body walls, the method comprising: providing an occlusion device within the body vessel, the device having a hub extending from a proximal end to a distal end and including a tubular wall defining a lumen and having a central axis, a plurality of distally extending arcuate legs being attached to the hub, a biocompatible material being attached to the plurality of legs and forming a barrier; positioning the device in a desired location to occlude the body vessel; opening the legs radially away from the central axis to expand the barrier within the body vessel; coupling the occlusion device to the body walls of the body vessel.

Claim 30

Dependent Claim 117 words

27 . A method of occluding a body vessel having body walls, the method comprising: providing an occlusion device within the body vessel, the device having a hub extending from a proximal end to a distal end and including a tubular wall defining a lumen and having a central axis, a plurality of distally extending arcuate legs being attached to the hub, a biocompatible material being attached to the plurality of legs and forming a barrier; positioning the device in a desired location to occlude the body vessel; opening the legs radially away from the central axis to expand the barrier within the body vessel; coupling the occlusion device to the body walls of the body vessel.

Spider device with occlusive barrier

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