As technology level increases, modern medicine becomes inconceivable without complex electronic devices and their systems, and these become more and more reliable and sophisticated. Modern electronic devices are reliable, they rarely brake down, and the risk of electric shock or any other injury for the patient and caregiver is vanishingly small. On the other hand, the problem of personnel working with electronic equipment becomes relevant [1]. It is impossible to "improve" the operator; therefore the amount of mistakes he makes will always be relevant. For example, major part of patient deaths occurs due to wrong administration of drugs - about 50% of all deaths [2], so only increasing the reliability of electronic medical systems software and hardware will not solve the problem. It is needed to reduce the amount of tasks the operator performs in order to reduce the amount of mistakes the operator makes, and this can be reached by creating closed loop systems. Closed loop systems would mostly be beneficial to these cases, where manual constant parameter checking and adequate response is required, such as anesthesia, glycaemic control, blood pressure control and others. Closed loop systems allowing nurses spend more time for care, where human contact between nurse and patient is very important.
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