ELECTROMEDICAL REHABILITATIVE PAIN MANAGEMENT PRODUCTS FOR CLINICAL AND HOME USE, NAMELY, ELECTRICAL MUSCLE STIMULATORS, MAGNETIC THERAPY STIMULATORS AND MASSAGE APPARATUS; ELECTRONIC STIMULATION APPARATUS FOR NERVES FOR REHABILITATION OR PHYSICAL THERAPY USES; ELECTROTHERAPY DEVICES FOR PROVIDING TRANSCUTANEOUS ELECTRICAL NERVE STIMULATION (TENS) ; DECOMPRESSION SPINAL BACK BELTS, ELECTRONIC MUSCLE STIMULATORS (EMS)