Injectable hydrogel as an implant (IMAGE) McGill University Caption Illustration shows the use of injectable hydrogel as an implant to fill a wound and to restore the voice. Credit Sepideh Mohammadi Usage Restrictions Credit License Original 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.