Revi implant surgery (IMAGE) University of Chicago Medical Center Caption UChicago Medicine surgeons perform the minimally-invasive procedure to implant the new Revi device. Credit University of Chicago Medicine Usage Restrictions Re-use with attribution 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.