W-P Instruments Stimulator system. New Haven, CT: 1970. Built by W-P Instruments of New Haven, Connecticut, this instrument was used to stimulate the brain and spinal cord.
Wu skull fixed system. China. Used in the treatment of Parkinson's disease, the instrument was attached to a burr hole in the skull. Angular adjustments allowed the lesion electrode to be introduced into the deep brain structures; x-rays were used to...