Patient safety is the top priority in the operating room while human error is one of the biggest threats. The anesthesia system is a vital device used by anesthesiologists to protect patient safety. Mindray has developed a product combining classic and high-tech. The A9 not only applies cutting-edge technologies for intelligent anesthesia but also retains traditional functions to suit clinicians’ habits. Its unique structures make it 360-degree rotatable for different clinical scenarios, and the flexible integrated solutions of other devices can meet various clinical requirements. These designs minimize human error to guarantee patient safety during surgery.