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1. WO2011002962 - DEVICE AND METHOD FOR TREATMENT OF INCISION OR HERNIA

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[ EN ]

CLAIMS:

1. A device (10) for treating an incision (100), hernia, or abdominal wall defect, comprising:

an elongate element (12) having a first longitudinal axis (14); and at least one sheet (20a, 20b) connected to the elongate element along the first longitudinal axis;

wherein the at least one sheet comprises a porous biocompatible matrix and the elongate element has a strength that is at least equal to that of the at least one sheet.

2. The device of claim 1 , wherein the at least one sheet is connected to the elongate element substantially along an approximate midline of the sheet.

3. The device of claim 1 , wherein the at least one sheet comprises a non- synthetic mesh.

4. The device of claim 1 , wherein the at least one sheet comprises an acellular tissue matrix.

5. The device of claim 4, wherein the at least one sheet comprises a dermal matrix.

6. The device of claim 4, wherein the acellular tissue matrix is derived from tissue that is xenogeneic to a human recipient.

7. The device of claim 6, wherein the tissue is from an α1 ,3- galactosyltransferase (α1 ,3GT) deficient pig.

8. The device of claim 4, wherein the acellular tissue matrix is derived from tissue that is allogeneic to a human recipient.

9. The device of claim 1 , wherein the elongate element comprises an acellular tissue matrix.

10. The device of claim 9, wherein the aceϋular tissue matrix is rolled concentrically into a cylindrical structure.

1 1. The device of claim 9, wherein the acellular tissue matrix is thicker than the at least one sheet.

12. The device of claim 1 , wherein the elongate element comprises a piece of connective tissue.

13. The device of claim 12, wherein the connective tissue is xenogeneic to a human recipient.

14. The device of claim 12, wherein the connective tissue allogeneic to a human recipient.

15. The device of claim 12, wherein the connective tissue is a porcine tendon.

16. The device of claim 15, wherein the connective tissue is from an α1 ,3- galactosyltransferase (α1 ,3GT) deficient pig.

17. The device of claim 1 , wherein the at least one sheet comprises multiple superimposed sheets.

18. The device of claim 1 , wherein the at least one sheet is divided into two halves (21a, 22a) when connected to the elongate element.

19. The device of claim 1 , wherein the at least one sheet is connected to the elongate element using surgical sutures.

20. A method of closing a midline incision (100), comprising the steps of:

providing an implant (10) comprising an elongate element (12) having a first longitudinal axis (14) and at least one sheet (20a, 20b) connected to the elongate element along the first longitudinal axis;

positioning the elongate element along the midline incision; and positioning the at least one sheet on at least one of an anterior side and a posterior sides of a rectus abdominis muscle (50) surrounding the midline incision.

21. The method of claim 20, further comprising the step of creating spaces on the anterior and/or posterior sides of the rectus abdominis muscle for placement of the at least one sheet.

22. The method of claim 20, further comprising the step of suturing the at least one sheet to the rectus abdominis muscle.

23. The method of claim 22, wherein the sutures comprise loop sutures (80) that incorporate the elongate element.

24. The method of claim 20, wherein the at least one sheet is inserted between an anterior layer of fascia (62) and the rectus abdominis muscle.

25. The method of claim 20, wherein the at least one sheet is inserted between a posterior layer of fascia (64) and the rectus abdominis muscle.

26. The method of claim 20, wherein the at least one sheet is inserted over an anterior layer of fascia (62).

27. The method of claim 20, wherein the at least one sheet is inserted below a posterior layer of fascia (64).

28. The method of claim 20, wherein the at least one sheet comprises an acellular dermal matrix.

29. The method of claim 28, wherein the acellular tissue matrix is treated to remove antigens that are immunogenic to a human recipient.

30. The method of claim 20, wherein the elongate element comprises a piece of connective tissue.

31. The method of claim 30, wherein the connective tissue comprises porcine tendon.

32. The method of claim 20, wherein the at least one sheet is connected to the elongate element along a line substantially parallel to the first longitudinal axis.

33. The method of claim 32, wherein the at least one sheet is folded along the line substantially parallel to the first longitudinal axis to form a pocket .

34. The method of claim 33, wherein the rectus abdominis muscle surrounding the incision is positioned in the pocket.