1. The heat pack for therapeutic treatment of a mammal, wherein the package comprises a flexible thermally conductive chamber, impervious to liquid, comprising means for admission and discharge of fluid, wherein the chamber comprises a pair of sheets, superposed and bonded together to provide a passageway for fluid within the chamber, and a separating member within the through passage for the fluid, wherein the spacer member includes a groove for conducting fluid, which passes n the entire length of the through passage for the fluid between the sheets superposed on each other, and supports the sheets superposed on each other, at a distance from each other to maintain the flow of fluid through the package when the package during operation is bent relative to the plane of the sheet, superimposed on druga.2. The heat pack of claim. 1, characterized in that the separating element is made of a less elastic material than the sheets superposed on each druga.3. The thermal pack according to Claim. 1 or 2, characterized in that the means for intake and discharge of fluid includes an inlet for admitting fluid into the passageway for the fluid and an outlet for fluid discharged from the through passage for the fluid, wherein the passageway the fluid passes through the stack from the inlet to the outlet 4 ...... The heat pack of claim. 3, characterized in that the separating device extends through passageway for fluid between the inlet and the outlet. ...... ..5. The heat pack of claim. 4, wherein the conductive kan1. Тепловой пакет для терапевтического лечения млекопитающего, при этом данный пакет содержит эластичную теплопроводящую камеру, непроницаемую для жидкости, содержащую средство для впуска и выпуска текучей среды, при этом камера содержит пару листов, наложенных друг на друга и скрепленных вместе для обеспечения проходного канала для текучей среды внутри камеры, и разделительного элемента внутри проходного канала для текучей среды, при этом разделительный элемент пред
