Device Protects against HIV and Pregnancy (IMAGE) Northwestern University Caption Northwestern University biomedical engineer Patrick Kiser holds a first-of-its-kind intravaginal ring that reliably delivers an antiretroviral drug and a contraceptive for months. Credit Northwestern 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.