Used for mechanical dilation of the cervical canal prior to labor induction at term when the cervix is unfavorable for induction. Does not require traction.Incredible Edible Helium Balloon: What could be more perfect for any occasion than an edible helium balloon? To evaluate for difference in outcomes between single- and double-balloon catheters for labor induction. The perfect birthday party decor! I'm gonna show you how to make these really cool mini letters that look like mini foil gold balloons. In a small bowl, combine the yogurt, orange juice concentrate and vanilla.