OPILX® Flush Syringe an essential intervention protocol to evaluate and maintain the vascular patency of the Vascular Access Device(VAD). It is contained with 0.9% saline and do not required additional works. As a results, it is prevented an infection, or pricked needles. It prevents drug leakage by “Luer-Lok” technology, provides accurate dose of intravenous administration to pediatric patients. It complies with the safety guideline of CDC and JCI in United States.