Bendable graft containment cage

Patent metadata

Field	Value
Publication number	US-11213395-B2
Application number	US-201815886748-A
Country	US
Kind code	B2
Filing date	Feb 1, 2018
Priority date	Feb 6, 2017
Publication date	Jan 4, 2022
Grant date	Jan 4, 2022

Abstract

A bone graft containment device includes a plurality of cage segments connected to one another along a longitudinal axis, each of the cage segments connected to an adjacent one of the cage segments via a connection which permits movement of the cage segments relative to one another so that the bone graft containment device is deformable to a desired configuration for placement within a target space of a bone, each cage segment extending along from a first end to a second end and including a channel extending therethrough so that channels of the plurality of cage segments, in an initial configuration, are aligned along the longitudinal axis, the channels configured to be packed with a bone graft material.

First claim

What is claimed is:

1. A bone graft containment device, comprising:
a body extending longitudinally from a first end to a second end and including a channel extending longitudinally therethrough, the channel sized and configured to receive a bone graft material therein; and
a plurality of slots extending laterally into the body in communication with the channel to define a plurality of cage segments, the slots extending along a first side of the body so that a second side of the body opposite the first side includes a continuous surface extending along a length of the body from the first end to the second end, the body movable between a substantially straight configuration and a curved configuration in which cage segments are moved relative to one another to reduce a size of the slots therebetween.

2. The device of claim 1 , further comprising a fixation tab extending longitudinally along the second side of the body from a first end to a second end, the first end of the fixation tab extending beyond the first end of the body and the second end of the fixation tab extending beyond the second end of the body, the fixation tab including a plurality of openings extending therethrough along a length thereof, each of the openings sized and shaped to receive a bone fixation element.

3. The device of claim 1 , wherein edges of the cage segments are angled relative to a perpendicular axis extending perpendicular to a longitudinal axis of the body.

4. The device of claim 3 , wherein the edges of the cage segments extend at an angle of approximately 5 degrees relative to the perpendicular axis.

5. The device of claim 1 , wherein the body is formed of a mesh material including a plurality of pores extending therethrough.

6. The device of claim 5 , wherein at least one of the pores is sized and shaped to receive a portion of a bone fixation element.

7. The device of claim 5 , wherein mesh material is formed of a plurality of intersecting members, the intersecting members defining the pores.

8. The device of claim 1 , wherein a cross-section of the body is sized and shaped to correspond to a profile of a target bone.

9. A bone graft containment device for treating a mandible, comprising:
a mesh body extending longitudinally from a first end to a second end and including a channel extending longitudinally therethrough;
a plurality of slots extending laterally into the body in communication with the channel to define a plurality of cage segments, the slots extending along a first side of the mesh body which, when the mesh body is in an operative position, faces toward a lingual direction, so that a second side of the mesh body opposite the first side includes a continuous surface extending along a length of the body from the first end to the second end, the mesh body movable between a substantially straight configuration and a curved configuration in which cage segments are moved relative to one another to reduce a size of the slots therebetween; and
a fixation tab extending longitudinally along the second side of the mesh body from a first end to a second end, the first end of the fixation tab extending beyond the first end of the mesh body and the second end of the fixation tab extending beyond the second end of the mesh body so that, in the operative position, the first and second ends of the fixation tab extend over separated portions of the mandible which are bridged by the mesh body.

10. The device of claim 9 , wherein the fixation tab includes a plurality of openings extending therethrough along a length thereof, each of the openings sized and shaped to receive a bone fixation element.

11. The device of claim 9 , wherein edges of the cage segments are angled relative to a perpendicular axis extending perpendicular to a longitudinal axis of the mesh body.

12. The device of claim 11 , wherein the edges of the cage segments extend at an angle of approximately 5 degrees relative to the perpendicular axis.

13. The device of claim 9 , wherein the mesh body includes a plurality of pores extending therethrough.

14. The device of claim 13 , wherein at least one of the pores is sized and shaped to receive a portion of a bone fixation element.

15. The device of claim 9 , wherein the mesh body is formed of a plurality of intersecting members.

Assignees

• Depuy Synthes Products Inc

Inventors

• DANIEL Steffan
• Furrer André

Classifications

• A61F2310/00005

  The prosthesis being constructed from a particular material · CPC title

• A61F2002/30518

  with possibility of relative movement between the prosthetic parts · CPC title

• A61F2002/30329

  Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements · CPC title

• A61F2/28

  Bones · CPC title

• A61F2/2803

  for mandibular reconstruction (temporo-mandibular joints A61F2/3099; bone plates for the jaw A61B17/8071) · CPC title