Fertilization Device (IMAGE) University of Michigan Caption A new device to improve in-vitro fertilization uses Braille pins to provide gentle rocking motion to embryos that sit at the bottom of its funnel. Pregnancy rates in mice increased by 22 percent with the use of this device. Credit Photos: Martin Vloet - U-M Photo Services 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.