Internal View of the Simulated Surgical Training Model (video) Journal of Neurosurgery Publishing Group Share Print E-Mail Loading video... Caption Endoscopic third ventriculostomy performed on a patient-specific 3-D printed simulator. Credit Copyright Alan R. Cohen. Usage Restrictions Permission for reuse must be requested. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.