Medication pumps: These devices are programmed to pump a certain amount of plasma, blood, saline solution, or other medication into a patient at a certain rate. The software provides the ability to control many aspects of treatment procedures.
Analysis: Many devices, such as CAT scanners, measure raw data that is essentially meaningless to people. Software reinterprets this data to create images that doctors can read and understand.
Expert Systems: A variety of expert systems have been created to indicate what should be done. These are less used than the other things just mentioned.