Lateral spondylolisthesis reduction cage and instruments and methods for non-parallel disc space preparation
An intervertebral fusion device comprising inferior and superior fusion cage devices that provide an ability to correct spondylolisthesis via in-situ adjustment.
1. A device for providing access to an intervertebral disc, comprising:
a flexible tube having a proximal end portion, a distal end portion, a bore extending through the tube, and one or more interlaced metal fibers;
wherein the tube is electrically connected to a neuromonitoring system, and
wherein the metal fibers are electrically connected to the neuromonitoring system.
2. The device of claim 1 , wherein the neuromonitoring system includes a neuromonitoring band to which the metal fibers are electrically connected.
3. The device of claim 1 , wherein the metal fibers are longitudinally oriented with respect to the tube.
4. The device of claim 1 , wherein the metal fibers are helically oriented with respect to the tube.
5. The device of claim 1 , wherein the metal fibers reinforce the tube.
6. The device of claim 1 , wherein the tube is curved along a length thereof.
7. The device of claim 1 , wherein the tube is elastically-deformable.
8. The device of claim 1
wherein the tube is expandable.
9. The device of claim 8 , wherein the tube is telescopically-expandable.
10. The device of claim 1
wherein the tube comprises a polymer.
11. The device of claim 1 , wherein the tube has a frustoconical distal end.
12. The device of claim 1 , wherein a wall of the tube has a bore with an endoscope disposed therein.
13. The device of claim 1 , further comprising an instrument adapted to be inserted through the tube while the tube is curved.