Graphic (IMAGE) MediaSource Caption The Calypso Knee System, developed by Moximed, Inc., is designed to act as a shock absorber for the inner knee. A clinical trial is examining how the device may relieve pain and slow the progression of osteoarthritis. Credit The Ohio State University Wexner Medical Center Usage Restrictions All multimedia is available for free and unrestricted media use with a courtesy to The Ohio State University Wexner Medical Center 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.