An ultraflexible endovascular (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption An ultraflexible endovascular flow sensor that is guided using magnetic fields. Credit The photograph was taken by Alain Herzog/ EPFL 2020 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.