42 case is Anatomical Model: Ear Challenge Solution Dr. UngerO. Clinical Issue Investigating how much liquid penetrates a ventilation tube in the ear canal. Synergy3DMed printed a model of the ear, including the external ear canal and tympanic membrane. This enabled the researchers to conduct their study, which could not be carried out on live subjects. ENT division, Tel-Aviv Sourasky Medical Center, Tel-Aviv University, Tel-Aviv, Israel. ENT ventilation tube insertions are common worldwide, but it is unclear whether precautions need to be taken regarding water exposure. Research Plan The research team planned to introduce various liquids to the ear canal and measure their penetration to the tympanic membrane. Jl