PolyU designs innovative (IMAGE) The Hong Kong Polytechnic University Caption The "Smart Scar-Care" pad designed by Professor Cecilia Li-Tsang in the Department of Rehabilitation Sciences, PolyU, serves the dual functions of reinforcing pressure and occlusion. Credit The Hong Kong Polytechnic University 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.