I forgot to mention that my unit is a Nevro HF 10 stimulator. I went through injections, physical therapy, external TENS, and acupuncture before I had the trial implant. I have had several fusions and laminectomies over the years but still had lower back and leg pain. Relief factor of 50% is considered good but I am happy to say, though it took a while, my relief factor is 75% almost on a daily basis while I have an occasional 45% relief.
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