New Portable Device Prototype (IMAGE) Spanish Foundation for Science and Technology Caption One prototype is a portable microscope which is placed manually on the patient's finger to take videos of microcirculation in very superficial capillaries. Credit Research Laboratory of Electronics / MIT Usage Restrictions None License Licensed content 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.