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...
Rand Stereotactic Instrument for Yttrium Hypophysectomy. Los Angeles: Trent H. Wells of the Mechanical Development Co., 1953. This instrument was used to implant yttrium 90 oxide into the pituitary gland. Probes were introduced by way of the nasal...