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...
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...
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...
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...
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...