Surgical mesh fabric

• US 5,569,273 A
• Filed: 07/13/1995
• Issued: 10/29/1996
• Est. Priority Date: 07/13/1995
• Status: Expired due to Term

• Current Assignee: C.R. Bard, Inc. (Becton, Dickinson & Co)
• Original Assignee: C.R. Bard, Inc. (Becton, Dickinson & Co)
• Inventors: Herzog, Fred D., Titone, Milo A.
• Primary Examiner(s): CANNON, JAMES
• Application Number:
  US08/502,021
• Time in Patent Office: 474 Days
• Field of Search: 606/151, 623/11, 623/14, 623/15, 428/225
• US Class Current: 606/151
• 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 2002/30113 circular
• CPC Class Codes: A61F 2002/30143 hexagonal
• CPC Class Codes: A61F 2002/30148 lozenge- or diamond-shaped
• CPC Class Codes: A61F 2002/30154 square
• CPC Class Codes: A61F 2230/0006 circular
• CPC Class Codes: A61F 2230/0017 Angular shapes
• CPC Class Codes: A61F 2230/0021 square
• CPC Class Codes: D04B 21/12 characterised by thread material
• CPC Class Codes: D10B 2509/02 Bandages, dressings or absorbent pads
• CPC Class Codes: D10B 2509/08 Hernia repair mesh
• CPC Class Codes: Y10T 442/10 Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]

Abstract

A dual bar warp knit, hexagonal mesh fabric for use in hernia repair and to mend other muscle and tissue wall defects, produced according to a back bar pattern chain of 2/0 2/4 2/0 4/6 4/6 and a front bar pattern chain of 4/6 4/2 4/6 2/0 2/4 2/0.

Claims

1. As a prosthetic for repairing living animal tissue, body wall or muscle defects, a biologically compatible, implantable dual bar warp knit, hexagonal mesh produced according to a back bar pattern chain of 2/0 2/4 2/0 4/6 4/2 4/6 and a front bar pattern chain of 4/6 4/2 4/6 2/0 2/4 2/0.

2. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 formed of polypropylene monofilament yarns.

3. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including a body portion and a selvage that is more rigid than said body portion.

4. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 wherein said more rigid selvage is curled.

5. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including elongated diamond to square pores.

6. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including circular pores.

7. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including near circular pores.

8. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including square pores.

9. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including diamond pores.

10. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 including yarn columns formed by two separate ends of yarn that cross each other on two needles with the crossover portion traversing across a third needle, wherein in one end of yarn breaks a back up yarn will secure the fabric from at least two yarns way to prevent unraveling of the mesh.

11. The implantable dual bar warp knit, hexagonal mesh recited in claim 1 wherein said mesh is supported within a laparoscopic cannula.