Pushing the Frontiers of Ultrasound (IMAGE) Nanyang Technological University Caption NTU scientist Assoc Prof Claus-Dieter Ohl developed a new ultrasound device that will allow for more accurate medical procedures that involve the use of ultrasound to kill tumors, loosen blood clots and deliver drugs into targeted cells. Credit NTU Singapore 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.