The present invention relates to, but is not limited to, a novel reusable thermal mattress designed for the thermal treatment of a patient, preferably used during the care and transportation of patients in emergency situations. To do so, said mattress (1) comprises a thermal transfer surface (2) with an outer face adapted to receive the body of a patient and an inner face, as well as a thermal compartment (3) arranged inside the mattress in contact with the inner face of the thermal transfer surface, the thermal compartment (3) being adapted to house a thermoactive substance. Lastly, it comprises transfer means (4) for transferring the thermoactive substance between the thermal compartment (3) and an area outside the mattress (1).
