Figure 1 (IMAGE) Kanazawa University Caption Blood pulse detection at a constant gripping angle. As a basic test, a gripper with force sensor held the tumor with blood vessel at a constant grip angle. Then blood pulse is detected as the vibration of the gripping force. Credit Kanazawa University Usage Restrictions The image may only be used with appropriate caption and credit. 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.