What medical devices (instruments) use batteries?

Medical flashlight, inspection glasses, dynamic electrocardiogram and dynamic blood pressure box with batteries. In order to be portable or used for outpatient AC and DC dual-purpose equipment are electrocardiographs, multi-function monitoring, respiratory machines, portable ultrasound, and so on. For safety, instead of using AC power directly, the battery is charged and then used, such as defibrillation and pacing, and various kinds of electric knife. To prevent power failure from affecting treatment and equipped with batteries or UPS are surgical shadowless lamps, anesthesia machines, respiratory machines, blood dialysis machines and so on. Prevent specimen damage or data loss: test equipment are generally equipped with UPS. in is a large-scale equipment, such as CT, nuclear magnetic, color ultrasound, computer control and data storage part, are equipped with UPS.