Bone suture assembly

• US 20040225325A1
• Filed: 06/14/2004
• Published: 11/11/2004
• Est. Priority Date: 02/06/1998
• Status: Active Grant

• Current Assignee: Bonutti Skeletal Innovations LLC (Acacia Research Corporation)
• Original Assignee: MarcTec LLC
• Inventors: Bonutti, Peter M.
• Granted Patent: US 6,997,940 B2
• Time in Patent Office: Days
• US Class Current: 606/232
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• CPC Class Codes: A61B 17/1796 for holes for sutures or flexible wires
• CPC Class Codes: A61B 17/683 comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
• CPC Class Codes: A61B 17/82 for bone cerclage apparatus for manipulating wires or straps A61B17/8861; wires, bands or straps other than cerclage A61B17/842
• CPC Class Codes: A61B 2017/0404 Buttons
• CPC Class Codes: A61B 2017/0445 cannulated, e.g. with a longitudinal through-hole for passage of an instrument
• CPC Class Codes: A61B 2017/0454 the anchor being crimped or clamped on the suture
• CPC Class Codes: A61B 2017/0458 Longitudinal through hole, e.g. suture blocked by a distal suture knot
• CPC Class Codes: Y10S 606/907 Composed of particular material or coated
• CPC Class Codes: Y10S 606/909 Bone
• CPC Class Codes: Y10S 606/91 Polymer

Abstract

The present invention provides an internal fracture fixation assembly for fixation of a fracture in a bone. The assembly includes an implantable first suture retaining member having a body configured and dimensioned to be positionable proximate an outer surface of the bone on a first side of the fracture. First and second parallel channels extend through the first suture retaining member. The assembly also includes a suture. A first portion of the suture extends through the first channel of the first suture retaining member, while a second portion of the suture extends through the second channel. At least one of the portions of the suture is positioned in the bone. Furthermore, the assembly includes an implantable second suture retaining member having a body configured and dimensioned to be positionable proximate the outer surface of the bone on a second side of the fracture. A first channel extends through the second suture retaining member. The first channel receives at least one of the portions of the suture.

Claims

1. An internal fracture fixation assembly for fixation of a fracture in a bone, the assembly comprising:

an implantable first suture retaining member having a body configured and dimensioned to be positionable proximate an outer surface of the bone on a first side of the fracture, the body including first and second parallel channels extending therethrough;

a suture having first and second portions, the first portion extending through the first channel of the first suture retaining member and the second portion extending through the second channel of the first suture retaining member, at least one of the portions positioned in the bone; and

an implantable second suture retaining member having a body configured and dimensioned to be positionable proximate the outer surface of the bone on a second side of the fracture, the body including a first channel extending therethrough for receiving at least one of the first and second portions of the suture.

2. The internal fracture fixation assembly of claim 1 wherein the first channel of the body of the second suture retaining member receives the first portion of the suture and the body of the second suture retaining member includes a second channel extending therethrough for receiving the second portion of the suture, the first and second channels being parallel.

3. The internal fracture fixation assembly of claim 2 further comprising a tubular member having a lumen for receiving at least part of the first and second portions of the suture.

4. The internal fracture fixation assembly of claim 3 further comprising a material within the lumen of the tubular member, the material selected from the group consisting of bone particles, bone graft, bone growth inducers, medicinal substances, osteoinductive protein, collagen, and combinations thereof.

5. The internal fracture fixation assembly of claim 4 wherein the medicinal substance is an antibiotic.

6. The internal fracture fixation assembly of claim 2 wherein at least one of the suture retaining members includes a material selected from the group consisting of metallic material, polymeric material, and body material.

7. The internal fracture fixation assembly of claim 2 wherein the at least one of the suture retaining members is one of biodegradable and bioerodible.

8. The internal fracture fixation assembly of claim 2 wherein at least one of the suture retaining members includes an expandable material.

9. The internal fracture fixation assembly of claim 8 wherein the at least one of the suture retaining members expands after being compressed.

10. The internal fracture fixation assembly of claim 8 wherein the at least one of the suture retaining members expands by imbibing body fluid.

11. The internal fracture fixation assembly of claim 2 wherein at least one of the suture retaining members includes plastically deformable material to hold the at least one of the suture retaining members to the suture.

12. The internal fracture fixation assembly of claim 2 wherein the suture is made of a biodegradable material.

13. The internal fracture fixation assembly of claim 3 wherein the tubular member is made of a biodegradable material.

14. The internal fracture fixation assembly of claim 13 wherein the tubular member is made of an allograft.

15. The internal fracture fixation assembly of claim 13 wherein the tubular member has a slit along its length.

16. The internal fracture fixation assembly of claim 1 further comprising a tubular member having a lumen for receiving at least part of the first and second portions of the suture.

17. The internal fracture fixation assembly of claim 16 further comprising a material within the lumen of the tubular member, the material selected from the group consisting of bone particles, bone graft, bone growth inducers, medicinal substances, osteoinductive protein, collagen, and combinations thereof.

18. The internal fracture fixation assembly of claim 17 wherein the medicinal substance is an antibiotic.

19. An internal fracture fixation assembly for fixation of a fracture in a bone, the assembly comprising:

an implantable first suture anchor being configured and dimensioned to be positionable proximate an outer surface of the bone on a first side of the fracture, the first suture anchor including first and second channels extending therethrough;

a flexible suture having a first limb, a second limb, and a connector section, the connector section extending through the first and second channels of the first suture anchor, at least one of the first and second limbs positioned in the bone; and

an implantable second suture anchor being configured and dimensioned to be positionable proximate the outer surface of the bone on a second side of the fracture, the second suture anchor including first and second channels extending therethrough, the first limb of the suture extending through the first channel of the second suture anchor and the second limb of the suture extending through the second channel of the second suture anchor.

20. The internal fracture fixation assembly of claim 19 further comprising a tubular liner having a lumen for receiving at least a portion of the first and second limbs of the suture.