Surgical implant

• US 8,157,821 B2
• Filed: 09/13/2011
• Issued: 04/17/2012
• Est. Priority Date: 03/30/2001
• Status: Expired due to Term

• Current Assignee: Coloplast A/S
• Original Assignee: Coloplast A/S
• Inventors: Browning, James
• Primary Examiner(s): WOO, JULIAN W
• Application Number:
  US13/231,743
• Publication Number:
  US 20110319705A1
• Time in Patent Office: 217 Days
• Field of Search: 606/151, 623 2372- 2374, 600/29, 600/30, 600/37, 424422-424, 128/898
• US Class Current: 606/151
• CPC Class Codes: A61F 2/0036 implantable A61F2/0018 takes precedence
• CPC Class Codes: A61F 2/0063 Implantable repair or support meshes, e.g. hernia meshes
• CPC Class Codes: A61F 2002/0068 having a special mesh pattern
• CPC Class Codes: A61F 2002/0072 Delivery tools therefor
• CPC Class Codes: A61F 2002/0081 directly machined on the prosthetic surface, e.g. holes, grooves A61F2/30771 takes precedence
• CPC Class Codes: A61F 2002/0086 for preferentially controlling or promoting the growth of specific types of cells or tissues
• CPC Class Codes: A61F 2250/0071 breakable or frangible

Abstract

A surgical implant suitable for treatment of a prolapse is provided. The implant comprises a knitted mesh having a density of less than 20 g/m². The implant is between about 1-10 cm wide and is configured to be implanted in a region of the prolapse. The prolapse can be an urethrocoele prolapse, cystocoele prolapse, vault prolapse, uterine prolapse, enterocoele prolapse, and rectocoele prolapse. The knitted mesh comprises biocompatible monofilaments formed from polypropylene and having a diameter of between about 0.02 mm to 0.15 mm. Openings are formed between the monofilaments. The knitted mesh is configured to be secured in place to treat the prolapse.

Claims

1. An implant adapted to treat a prolapse in a patient, the implant comprising:

a knitted mesh having a mass density of less than 20 g/m², wherein the knitted mesh comprises;

biocompatible monofilaments formed from polypropylene and having a diameter of between about 0.02 mm to 0.15 mm; and

openings formed between the monofilaments,

wherein the implant is between about 1-10 cm wide and is configured to be implanted in a region of the prolapse, wherein the prolapse is selected from the group consisting of urethrocoele prolapse, cystocoele prolapse, vault prolapse, uterine prolapse, enterocoele prolapse, and rectocoele prolapse, and

wherein the knitted mesh is configured to be secured in place to treat the prolapse.

2. The implant of claim 1, wherein the openings formed between monofilaments include pores having a diameter between about 50 μ

m to 200 μ

m.

3. The implant of claim 2, wherein the openings formed between monofilaments further include major spaces having a width between about 1 mm and 10 mm.

4. The implant of claim 3, wherein the monofilaments form strands, the strands are disposed such that the major spaces are located between adjacent ones of the strands, and the pores are located between adjacent ones of the monofilaments.

5. The implant of claim 2, wherein the pores are sized to allow fibroblast throughgrowth and lay down of tissue onto the implant.

6. The implant of claim 2, wherein the pores include pores having a diameter between about 50 μ

m to 75 μ

m.

7. The implant of claim 1, wherein the monofilaments form a warp knitted mesh.

8. The implant of claim 1, wherein the knitted mesh is configured to allow blood to pass through the implant.

9. The implant of claim 1, wherein the knitted mesh is configured to have sufficient elasticity to support the prolapse.

10. The implant of claim 1, wherein the monofilaments have a diameter between about 0.08 mm to 0.1 mm.

11. The implant of claim 1, wherein the monofilaments have a diameter between about 0.07 mm to 0.08 mm.

12. The implant of claim 1, wherein the prolapse is a vault prolapse.

13. The implant of claim 1, wherein the knitted mesh is knitted to have a net pattern.

14. The implant of claim 1, wherein the knitted mesh is knitted to have a diamond net pattern.

15. The implant of claim 1, wherein the implant has at least one corner that is not a sharp corner.

16. The implant of claim 1, wherein the implant has no sharp corners.

17. The implant of claim 1, wherein the implant has a first width at a first end and a second width at a second end, wherein the first width is greater than the second width.

18. The implant of claim 17, and further comprising a curved transition located between the first end and the second end.

19. The implant of claim 1, wherein the implant is configured to be attached to a vagina.

20. The implant to claim 11, wherein the implant is configured to be attached to a vaginal wall.