Heater IT-94 is designed for infusion solution / or blood derivate tempering just at giving it to patients. This instrument is especially suitable to a use at intensive care units for adult patient, pediatric and neonatologic wards and at intensive care units for pathological new-born children. Regulation system of the heater ensures very safe tempering of the solution flowing through the infusion set. Designed / selected tempering mode regulates the heating so that the solution temperature has been kept close-by a patient s bodily temperature. It means that a thermoregulating patients system can be never destabilized. Double independent safeguarding of the regulation makes imposible exceding the adjusted maximal temperature limit.