US20030028213A1 — Tissue opening occluder

Claim 1

Independent Claim 85 words

1 . An occluder for placement through an opening in a tissue wall comprising first and second occluder portions, each occluder portion including a frame structure having a perimeter, and an attachment structure for attachment of one of said portions to the other of said portions, said occluder portions being attached at at least one discrete point on each portion, said attachment structure between said first and second occluder portions being configured and disposed to constrain a portion of the tissue wall between said portions.

Claim 2

Dependent Claim 85 words

1 . An occluder for placement through an opening in a tissue wall comprising first and second occluder portions, each occluder portion including a frame structure having a perimeter, and an attachment structure for attachment of one of said portions to the other of said portions, said occluder portions being attached at at least one discrete point on each portion, said attachment structure between said first and second occluder portions being configured and disposed to constrain a portion of the tissue wall between said portions.

Claim 3

Dependent Claim 26 words

2 . The occluder of claim 1 , wherein at least one of said frame structures has fabric suspended from the perimeter of said frame structure.

Claim 4

Dependent Claim 41 words

3 . The occluder of claim 1 , wherein at least one of said frame structures is oriented, when in position adjacent a tissue wall, such that a plane defined by the frame structure is substantially parallel to said tissue wall.

Claim 5

Dependent Claim 30 words

4 . The occluder of claim 3 , wherein at least one conjoined point within both of said frame structures is defined by a loop formed in said frame structures.

Claim 6

Dependent Claim 27 words

5 . The occluder of claim 1 , wherein one of said frames has a hook formed thereon for attachment of said frame to the tissue wall.

Claim 7

Dependent Claim 45 words

6 . The occluder of claim 2 , wherein each of said frame structures has fabric attached thereon, and wherein said fabric of each said frame structure is conjoined at a single location so as to define a center fabric attachment point for said occluder.

Claim 8

Dependent Claim 23 words

7 . The occluder of claim 1 , wherein said attachment between said two portions is provided by a single fiber of material.

Claim 9

Dependent Claim 24 words

8 . The occluder of claim 7 , wherein said attachment between said two portions is provided by a single fiber of wire material.

Claim 10

Dependent Claim 24 words

9 . The occluder of claim 1 , wherein said attachment between said two portions is provided by a plurality of fibers of material.

Claim 11

Dependent Claim 19 words

10 . The occluder of claim 9 , wherein said plurality of fibers are constructed to define two loops.

Claim 12

Dependent Claim 15 words

11 . The occluder of claim 2 , wherein said fabric comprises a polyester knit.

Claim 13

Dependent Claim 17 words

12 . The occluder of claim 11 , wherein said knit comprises a 30 denier polyester knit.

Claim 14

Dependent Claim 100 words

13 . A reversibly deployable tissue opening occluder comprising an occluder panel and an anchor assembly extending therefrom, said occluder panel comprising a fabric support structure and fabric supported by a perimeter thereof, said anchor assembly comprising a planar wire anchor element adapted to be selectively manipulatable in furtherance of positioning and securing said occluder panel at a tissue opening situs, said wire anchor element being at least indirectly linked to a central portion of said fabric support structure, said occluder panel and said anchor assembly being thereby opposingly urged into engagement with the tissue opening in furtherance of closure.

Claim 15

Dependent Claim 100 words

13 . A reversibly deployable tissue opening occluder comprising an occluder panel and an anchor assembly extending therefrom, said occluder panel comprising a fabric support structure and fabric supported by a perimeter thereof, said anchor assembly comprising a planar wire anchor element adapted to be selectively manipulatable in furtherance of positioning and securing said occluder panel at a tissue opening situs, said wire anchor element being at least indirectly linked to a central portion of said fabric support structure, said occluder panel and said anchor assembly being thereby opposingly urged into engagement with the tissue opening in furtherance of closure.

Claim 16

Dependent Claim 29 words

14 . The tissue opening occluder of claim 13 wherein said anchor assembly further includes a linkage, said linkage joining said planar wire anchor element to said occluder panel.

Claim 17

Dependent Claim 17 words

15 . The tissue opening occluder of claim 14 wherein said linkage is capable of reversible elongation.

Claim 18

Dependent Claim 16 words

16 . The tissue opening occluder of claim 15 wherein said linkage comprises a wire segment.

Claim 19

Dependent Claim 16 words

17 . The tissue opening occluder of claim 15 wherein said linkage comprises a wire structure.

Claim 20

Dependent Claim 18 words

18 . The tissue opening occluder of claim 15 wherein said linkage comprises at least a single loop.

Claim 21

Dependent Claim 19 words

19 . The tissue opening occluder of claim 15 wherein said linkage comprises at least a single spring element.

Claim 22

Dependent Claim 30 words

20 . The tissue opening occluder of claim 13 wherein said anchor assembly further includes a linkage, said linkage interposed between said planar wire anchor element and said occluder panel.

Claim 23

Dependent Claim 17 words

21 . The tissue opening occluder of claim 20 wherein said linkage is capable of reversible elongation.

Claim 24

Dependent Claim 15 words

22 . The tissue opening occluder of claim 20 wherein said linkage comprises a suture.

Claim 25

Dependent Claim 15 words

23 . The tissue opening occluder of claim 20 wherein said linkage comprises a wire.

Claim 26

Dependent Claim 16 words

24 . The tissue opening occluder of claim 20 wherein said linkage comprises a wire structure.

Claim 27

Dependent Claim 18 words

25 . The tissue opening occluder of claim 20 wherein said linkage comprises at least a single loop.

Claim 28

Dependent Claim 19 words

26 . The tissue opening occluder of claim 20 wherein said linkage comprises at least a single spring element.

Claim 29

Dependent Claim 20 words

27 . The tissue opening occluder of claim 14 wherein said fabric support structure includes at least a single eyelet.

Claim 30

Dependent Claim 29 words

28 . The tissue opening occluder of claim 27 wherein said at least a single eyelet comprises at least a single coil formed integral to said fabric support structure.

Claim 31

Dependent Claim 14 words

29 . The tissue opening occluder of claim 28 wherein said eyelets are circular.

Claim 32

Dependent Claim 15 words

30 . The tissue opening occluder of claim 28 wherein said eyelets are elongate forms.

Claim 33

Dependent Claim 15 words

31 . The tissue opening occluder of claim 28 wherein said eyelets are angular forms.

Claim 34

Dependent Claim 31 words

32 . The tissue opening occluder of claim 27 wherein at least one of said at least a single eyelet is located within said central portion of said fabric support structure

Claim 35

Dependent Claim 37 words

33 . The tissue opening occluder of claim 32 wherein said anchor assembly extends from said at least one of said at least a single eyelet is located within said central portion of said fabric support structure.

Claim 36

Dependent Claim 21 words

34 . The tissue opening occluder of claim 33 wherein said planar wire anchor element includes at least a single eyelet.

Claim 37

Dependent Claim 24 words

35 . The tissue opening occluder of claim 34 wherein the planar wire anchor element eyelet is connected to the fabric support structure eyelet.

Claim 38

Dependent Claim 22 words

36 . The tissue opening occluder of claim 35 wherein said wire anchor element includes at least a single tissue engaging hook.

Claim 39

Dependent Claim 62 words

37 . Apparatus for occluding an opening in a tissue wall, comprising: an occluder portion adapted for interposition in the opening, said occluder portion including a frame defining a perimeter; a generally linearly extending anchor carried by said occluder portion, said anchor having opposite ends extending beyond said perimeter to engage the tissue wall and fix said occluder portion in the opening.

Claim 40

Dependent Claim 62 words

37 . Apparatus for occluding an opening in a tissue wall, comprising: an occluder portion adapted for interposition in the opening, said occluder portion including a frame defining a perimeter; a generally linearly extending anchor carried by said occluder portion, said anchor having opposite ends extending beyond said perimeter to engage the tissue wall and fix said occluder portion in the opening.

Claim 41

Dependent Claim 14 words

38 . Apparatus of claim 37 wherein said anchor is integral with said frame.

Claim 42

Dependent Claim 16 words

39 . Apparatus of claim 38 wherein said anchor and said frame are formed of nitinol.

Claim 43

Dependent Claim 16 words

40 . Apparatus of claim 37 wherein said occluder portion is formed of a knit polyester.

Claim 44

Dependent Claim 107 words

41 . A method of occluding an opening in a tissue wall, comprising the steps of: collapsing an occluder assembly in a deployment catheter; positioning the catheter proximate the tissue wall to deploy a first portion of the occluder assembly with a frame of the first portion in engagement with one side of the tissue wall; and maneuvering the catheter to deploy a second portion of the occluder assembly with a frame of the second portion in engagement with an opposite side of the tissue wall and discrete points, one on each of the portions of the occluder assembly, interlinked through the opening in the tissue wall.

Claim 45

Dependent Claim 107 words

41 . A method of occluding an opening in a tissue wall, comprising the steps of: collapsing an occluder assembly in a deployment catheter; positioning the catheter proximate the tissue wall to deploy a first portion of the occluder assembly with a frame of the first portion in engagement with one side of the tissue wall; and maneuvering the catheter to deploy a second portion of the occluder assembly with a frame of the second portion in engagement with an opposite side of the tissue wall and discrete points, one on each of the portions of the occluder assembly, interlinked through the opening in the tissue wall.

Claim 46

Dependent Claim 104 words

42 . A method of occluding an opening in a tissue wall, comprising the steps of: collapsing an occluder assembly in a deployment catheter; positioning the catheter proximate the tissue wall to deploy a first portion of the occluder assembly with a frame of the first portion in engagement with one side of the tissue wall; and maneuvering the catheter to deploy a wire frame anchor in engagement with an opposite side of the tissue wall, a discrete point on the first portion of the occluder assembly interlinked, through the opening in the tissue wall, with a discrete point on the wire frame anchor.

Claim 47

Dependent Claim 104 words

42 . A method of occluding an opening in a tissue wall, comprising the steps of: collapsing an occluder assembly in a deployment catheter; positioning the catheter proximate the tissue wall to deploy a first portion of the occluder assembly with a frame of the first portion in engagement with one side of the tissue wall; and maneuvering the catheter to deploy a wire frame anchor in engagement with an opposite side of the tissue wall, a discrete point on the first portion of the occluder assembly interlinked, through the opening in the tissue wall, with a discrete point on the wire frame anchor.

Claim 48

Dependent Claim 103 words

43 . A method of occluding an opening in a tissue wall, comprising the steps of: collapsing an occluder assembly in a deployment catheter, the occluder assembly including an occluder portion, having a frame, adapted for interposition in the opening, and a generally linearly extending anchor carried by said occluder portion, said anchor having opposite ends extending beyond said perimeter to engage the tissue wall; positioning the catheter proximate the tissue wall; and deploying the occluder assembly into the opening, wherein the ends of the anchor extending beyond the perimeter to engage the tissue wall and fix said occluder assembly in the opening.

Claim 49

Dependent Claim 103 words

43 . A method of occluding an opening in a tissue wall, comprising the steps of: collapsing an occluder assembly in a deployment catheter, the occluder assembly including an occluder portion, having a frame, adapted for interposition in the opening, and a generally linearly extending anchor carried by said occluder portion, said anchor having opposite ends extending beyond said perimeter to engage the tissue wall; positioning the catheter proximate the tissue wall; and deploying the occluder assembly into the opening, wherein the ends of the anchor extending beyond the perimeter to engage the tissue wall and fix said occluder assembly in the opening.

Tissue opening occluder

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