The invention relates to a device for preventing the occurrence of eschars in a patient, that includes: means for acquiring at least one so-called physiological signal representative of eschar occurrence in a patient, such as a pressure in at least one bearing area of the patient means for transmitting said signal to a processing system a processing system capable, from the transmitted signals, of determining a risk level of eschar occurrence means for determining a customised warning level means for comparing said determined risk level with said customised warning level and means for initiating a warning if said risk level is higher than said warning level.
