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...
Talairach rectilinear stereotactic system. France 1949. This rectilinear orthogonial instrument consisted of a heavy frame and fixation pins. Two lateral grids for alignment of the x-ray beam were placed at a distance from the frame to reduce...
Reichert arc system. Germany. 1951. This arc-radius system used Cartesian and polar coordinates. The instrument's large base allowed the brain target to be approached from any point on the skull. Modified in 1965 by Reichert and Dr. Mundinger, the...
Bertrand rectilinear system. Canada. 1953. Dr. Claude Bertrand, the French Canadian neurosurgeon, introduced his pneumotaxic guide in 1953 for the treatment of Parkinson's disease. It was based on the orthogonal system combined with rectolinear...
Rand-Urban stereotactic arc system. USA. 1956. This stereotactic instrument was designed as an arc system in order to place the patient's head in various positions. It's clinical application of studies on stereotactically implanted electrodes in...
Austin and Lee burr hole system. USA. 1956. The basic design consisted of a device mounted on a burr hole in the skull. It allowed guidance at various angular adjustments. By passing the needle through the trephine after attaching the socket, AP and...