| 摘要 |
<p>A spinal fusion stimulator comprising an interbody fusion cage (12, 14) or other interbody fixation device adapted to be implanted in the intervertebral disc space of a patient's spine, the interbody fusion cage in the preferred embodiment having a hollow body with internal and external conductive surfaces. The stimulator includes a constant current generator (10) connected to the interbody fusion cage and set to provide a DC current effective to produce a surface current density of at least 1 muA/cm2 in the interbody fusion cage when implanted.</p> |
