Curvy Plastic Tube Protects Against Obesity, No Surgery Required (video) The Hebrew University of Jerusalem Share Print E-Mail Loading video... Caption No general anesthesia, no incisions, no tissue damage: Students in the Biodesign program of the Hebrew University of Jerusalem and Hadassah Medical Center designed a new type of gastric sleeve to block food absorption and fight obesity. Credit Hebrew University of Jerusalem Usage Restrictions Must include credit info. Share Print E-Mail 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.