It is special treatment for certain neuropathies, myopathies and other autoimmune conditions. It involves placement of special catheter in vein usually in neck of the patient. Plasmaphresis machine is attached to the catheter. Blood flows from the patient’s body to the machine where toxins are removed . Clean blood is then returned to body. This procedure usually takes 2 to 3 hours. The whole procedure needs to be repeated every other day for total of five sessions. After completion of five sessions, catheter from neck is removed and bandage is applied.