Cervical spine spacer

Patent metadata

Field	Value
Publication number	US-11497535-B2
Application number	US-202016783724-A
Country	US
Kind code	B2
Filing date	Feb 6, 2020
Priority date	Nov 23, 2011
Publication date	Nov 15, 2022
Grant date	Nov 15, 2022

Abstract

A cervical spine spacer includes a spacer body configured to be disposed between adjacent cervical vertebrae in the cervical spine and to maintain a desired spacing between the adjacent cervical vertebrae. The cervical spine spacer also includes a channel passing completely through the spacer body from a first surface of the spacer body to a second surface of the spacer body and a fastener configured to pass through the channel. At least one of the first surface and the second surface is configured to contact one of the adjacent cervical vertebrae and the channel is sized to accommodate the fastener passing through the channel at a plurality of angles.

First claim

What is claimed is:

1. A method for stabilizing the cervical spine comprising the steps of:
providing an implant comprising:
a spacer body, including a first surface and a second surface, wherein the first surface is configured to contact a first cervical vertebral body among adjacent cervical vertebral bodies, the spacer body further comprising:
a first spacer portion and a second spacer portion; and
an anchor plate portion from which the first spacer portion and the second spacer portion extend; and
a channel configured to pass through the spacer body from the first surface and the second surface, wherein the channel comprises a first opening in the first surface and a second opening in the second surface,
wherein the first spacer portion and the second spacer portion are coupled only through the anchor plate, and
wherein the anchor plate extends in a plane orthogonal to both the first spacer portion and the second spacer portion, and

positioning the implant between the first and second cervical vertebral bodies.

2. The method of claim 1 , further comprising a fastener extending through the channel and configured to anchor the spacer body.

3. The method of claim 2 , wherein the fastener has an overall length sufficient to pass through the channel in the spacer body into a second vertebra.

4. The method of claim 1 , wherein the anchor plate is u-shaped.

5. The method of claim 4 , wherein the anchor plate has a first arm and a second arm, wherein the first spacer portion extends from the first arm at a 90-degree angle.

6. The method of claim 5 , wherein the second spacer portion extends from the second arm at a 90-degree angle.

7. The method of claim 1 , wherein the first spacer portion and the second spacer portion are configured to be disposed between an anterior arch of a C1 vertebra and a body of a C2 vertebra between a pair of superior articular facets and the odontoid process.

8. The method of claim 1 , further comprising a fastener, wherein the channel is wherein the channel is sized and shaped to accept the fastener.

9. The method of claim 8 , wherein the fastener is configured to pass through the channel from the second opening to the first opening into a second vertebral body among the adjacent vertebral bodies.

10. The of method claim 9 , wherein the fastener is configured to extend into the second vertebra along an axis running through the odontoid process.

11. A method for stabilizing the cervical spine comprising:
providing a cervical spine spacer comprising:
a spacer body including a first surface and a second surface, the spacer body further comprising:
a first spacer portion and a second spacer portion; and
an anchor plate portion from which the first spacer portion and the second spacer portion extend;
a channel comprising a first opening in the first surface and a second opening in the second surface;
a fastener configured to pass through the channel,
wherein the first spacer portion and the second spacer portion are coupled only through the anchor plate, and
wherein the anchor plate extends in a plane orthogonal to both the first spacer portion and the second spacer portion, and

positioning the cervical spine spacer between first and second vertebral bodies.

12. The method of claim 11 , wherein the fastener is configured to anchor the spacer body.

13. The method of claim 12 , wherein the fastener has an overall length sufficient to pass through the channel in the spacer body into a second vertebra.

14. The method of claim 11 , wherein the anchor plate is u-shaped.

15. The method of claim 14 , wherein the anchor plate has a first arm and a second arm, wherein the first spacer portion extends from the first arm at a 90-degree angle.

16. The method of claim 15 , wherein the second spacer portion extends from the second arm at a 90-degree angle.

17. The method of claim 11 , wherein the first spacer portion and the second spacer portion are configured to be disposed between an anterior arch of a C1 vertebra and a body of a C2 vertebra between a pair of superior articular facets and the odontoid process.

18. The method of claim 11 , wherein the channel is sized and shaped to accept the fastener, wherein the channel comprises a first opening on the first surface and a second opening on the second surface.

19. The method of claim 18 , wherein the fastener is configured to pass through the channel from the second opening to the first opening into a second vertebral body among the adjacent vertebral bodies.

20. The method of claim 19 , wherein the fastener is configured to extend into the second vertebra along an axis running through the odontoid process.

Assignees

• Globus Medical Inc

Inventors

• Suh Sean
• Suh Jon
• Watt Ryan

Classifications

• A61B17/70

  Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant · CPC title

• A61F2002/30593

  hollow · CPC title

• A61F2002/30828

  parallel · CPC title

• A61F2/442

  Intervertebral or spinal discs, e.g. resilient (non-disc-shaped intervertebral inflatable pockets A61F2/441; non-disc-shaped intervertebral fusion implants A61F2/4455) · CPC title

• A61B17/7064 Primary

  Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor · CPC title