The NIO is a simple, automatic intraosseous (IO) device, ready to use for safe, quick, and easy vascular access. The NIO is used in emergency situations when vascular access is needed for fluid and drug administration. The NIO is small, lightweight, and easy to use, even in the most demanding situations. The NIO is designed for easy insertion in all clinical settings into the tibia or humerus in adults, and into the tibia in pediatric patients. When you need immediate vascular access, you can be confident that the NIO-A is complete and ready to use. The NIO-A is the quickest, most reliable intraosseous device for gaining immediate vascular access in adult patients.