PreOp is intended for use by a trained/qualified EEG technologist or physician on both adult and pediatric subjects at least3 years of age for the visualization of human brain function by fusing a variety of EEG information with rendered imagesof an individualized head model and an individualized MRI image.

PreOp is active medical device software (MSDW) intended for use by a trained Epilog EEG technologist / Operator in combination with Persyst EEG Review and Analysis Software on both adult and pediatric subjects at least 3 years of age for 3D visualization of the human brain function recorded with EEG and using a patient-specific MR image.