NON-EXPANDABLE MULTIPLE-SEGMENT LOCKABLE CAGE
A cage device includes first and second segments pivotally connected by a hinge. Pivoted movement of the segments with respect to each other is limited by a first stopper portion of the first segment abutting against a second stopper portion of the second segment.
1 . A cage device comprising:
first and second segments pivotally connected by a hinge, wherein pivoted movement of said segments with respect to each other is limited by a first stopper portion of said first segment abutting against a second stopper portion of said second segment.
2 . The cage device according to claim 1 , wherein said first and second segments are formed with bone graft chambers.
3 . The cage device according to claim 1 , wherein said hinge comprises an eccentric hinge.
4 . The cage device according to claim 1 , wherein said hinge comprises mating ratchet teeth.
5 . The cage device according to claim 1 , wherein said hinge comprises a detent mechanism.
6 . The cage device according to claim 1 , comprising a pushing element operative to push one of the segments relative to the other segment.
7 . The cage device according to claim 6 , wherein said pushing element is centered with respect to said hinge.
8 . The cage device according to claim 6 , wherein said pushing element is off-center with respect to said hinge.
9 . The cage device according to claim 1 , wherein said hinge comprises a variable center of rotation.
10 . The cage device according to claim 1 , comprising a tool for manipulating the segments.