… stereotactic systems can be divided into two main methods: rigid frame-based systems with
skeletal fixation or frameless … this study, eight papers were repeat publications, six lacked the …

… Therefore, there was a need to develop a frameless system that had equivalent accuracy …
frameless stereotactic systems designed specifically for deep brain stimulation surgery: …

… frameless stereotactic devices is their accuracy compared to framebased systems and the
adequacy of their accuracy for the demands of neurosurgical procedures.… securely fixing the …

… Frameless stereotactic brain biopsy systems are widely used today. VarioGuide (VG) is a
relatively novel frameless system. Its accuracy was studied in a laboratory setting but has not …

… a frameless stereotactic system to assist in 53 procedures in … If head pin fixation is planned,
then Mayfield pins are applied… is measured at the factory by repeated mea surement of a bar …

… a frameless stereotactic (FL) technique we assumed an average accuracy with of FL of ±2–4
mm. Lesions were excluded from FL technique … ) at subsequent surgery (two repeat needle …

… this approach, using a frameless stereotactic pointing device (ISG … than 2 mm was detected,
the registration step was repeated. … immobilized using a Mayfield three-pin fixation device. In …

… Marketed since 2015, the ICON can be used for standard radiosurgical procedures, most of
… radiosurgical procedures, as well as multisession procedures using repeat mask fixation. …

… biopsy: fixation of the frame-base up to the calculation of the coordinates after the head MRI;
… , when the frameless method was used, MRI was not repeated on the day of the surgery, the …

… frame relative to the patient’s anatomy; as long as this is maintained, then stereotactic space
… fixation pins. However, more recently, relocatable frames in which repeat accu rate fixation …