I'm back again with problems with my permenant stimulator. I've had it in for just over four months now and every thing that can go wrong is going wrong! I've had it programmed multiple times and each time they get it right but, then it slowly goes south. I'm getting very bad headaches and its not relieving my nerve pain in my back at all. My nurse pt said she thinks that it might be leaking but, I have to wait on wonderful wc to approve my cat scan so until then ill just have to wait! It also seems to sort of still zaps a little when it's off. I just don't think this was right for me. I don't want to scare anyone off from getting one because if I had it to do over I would because if you don't try then you won't know so please don't take my experience the wrong way. If anybody has bad nerve issues then use your judgment. Ok I think I'm done just going on but, mine is causing me grief with chest pain, back pain, groin pain, ect... I just don't know what to do.