What are the medical devices that require polymer batteries?

Many medical devices use batteries, mainly: monitors, electrocardiograms, syringe pumps, infusion pumps, ultrasound, respiratory machines, medical lighting, medical drills, electronic thermometers, etc., all the medical equipment can be selected from the polymer lithium batteries as a power source, the mainstream of the 18650 lithium batteries and lithium polymer batteries, depending on the design of each medical device manufacturer.