A spinal cord stimulator was suggested to me several years ago to help treat the neuropathic pain [1] associated with my (complete) spinal cord injury. I'm currently trialing Prialt [2] for this, but if it doesn't work (or the side-effects are too nasty) I might pursue the stimulator.
[1] http://en.wikipedia.org/wiki/Neuropathic_pain [2] http://en.wikipedia.org/wiki/Ziconotide