February 20, 2006 -- There is a hot new thing in the world of medical devices. And it is can be used to treat anything from prostatitis, to bladder dysfunction, chronic pain, epilepsy, neurological diseases, and even depression. Neural stimulation devices can be implanted or worn externally with electrodes implanted near an organ, a nerve, the spinal cord, or even in the brain. The current market topped $1 billion last year, but the potential market is huge. Revenues are growing at double-digit rates, and should continue at that rate in the foreseeable future. We look at what is being done and who is doing it...