I am a rather skeptical and hard to impress RN, and not the sort of person who generally writes enthusiastic reviews about non-mainstream medical devices - but I am making an exception for this one. I bought a Micro-Pulse ICES DigiCeutical unit (an updated version of Pulsed EMF) in February of 2015, to try to help my 39 year old daughter with the chronic back pain she has struggled with for 20 years. She has tried many things to get some pain relief, including physiotherapy, massage therapy, acupuncture, yoga, pain medications, attending a pain clinic, and steroid injections into her spine - but nothing really helped. Although she fought valiantly against it, the pain was negatively affecting her quality of life, and her doctors had nothing else to offer her. I searched the internet and found information about something called PEMF, or pulsed electromagnetic field treatment. that seemed to have some reputable published scientific evidence to support its use in promoting healing and reducing pain.
The most interesting research came from NASA in the late 1990's, led by Dr. Robert Dennis, PhD. He did an extensive literature review for them, followed by several years of research using tissue cultures and animal studies, resulting in several patents. Some of the PEMF machines I found on the internet claimed to be using Dr. Dennis's work at NASA, but they were very expensive - I couldn't afford to spend thousands of dollars. But then I found that Dr. Dennis was still actively researching independently in this field, and that I could purchase his updated technology on-line at a much more reasonable cost.
My daughter had never heard of PEMF treatment, and thought I was a bit nuts for ordering the unit sight-unseen off the internet - but she was pretty desperate and willing to give it a try. She followed the instructions, wearing the unit 4 - 6 hours at a time, twice a day. Within a couple of days she "thought there might be a bit of a difference"; by 3 weeks there was a very significant improvement and she was able to discontinue all of her pain medications and was sleeping much better. Even without the pain pills she reports a "better than 50%" reduction in her overall pain, and she is even having some pain-free periods. She has now been using the device for about two months, and thinks that she is still slowly continuing to improve.
Obviously, one person's experience is hardly conclusive. But here is an interesting randomized control trial that concluded that pulsed EMF treatment is effective in treating people who have chronic back pain even after having back surgery: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4317147/