This utility model relates to warming medical equipment for treatments using medicaments or therapeutic treatments, in particular to warming cushions,heatable mats or hot water bottles with fillers. The aim of the proposed utility model for a device in accordance with a first, second, third, fourth, fifth, sixth, seventh, eighth and ninth variant embodiment consists in extending the service life of the device in accordance with a tenth and eleventh variant embodiment consists in increasing the stability of a therapeutic action in accordance with a twelfth and a thirteenth variant embodiment consists in increasing the consistency of mixing of the filler inside the device. This utility model is implemented in the following way. In accordance with the first variant, a cavity filler is formed from any kind of salt or any kind of oxide or a mixture thereof. In accordance with the second variant, the hot water bottle comprises a case with a thickness of less than 5.0. In accordance with the third variant, the dimensions of the hot water bottle are such that it is possible for said hot water bottle to be arranged within the dimensions of a right circular cylinder with a diameter of no greater than 280 mm. In accordance with the fourth variant, the filler is formed from any kind of salt or any kind of oxide or a mixture thereof. In accordance with the fifth variant, the hot water bottle comprises a cavity which is filled with a filler consisting of cereal crop grains and with means for preventing the multiplication of or eliminating harmful components. In accordance with the sixth variant, the hot water bottle comprises a cavity, wherein the cavity filler is formed from any kind of salt and/or any kind of oxide with agents giving off essential oils. In accordance with the seventh variant, the cavity filler is formed from cereal crop grains with agents giving off essential oils. In accordance with eighth variant, the hot water bottle comprises a cavity, wherein the cavity f
