The present invention relates to a device (100; 200) for heating and concomitantly administering a liquid, comprising at opposite ends a body (130; 234) with a base (136; 236) and a neck (137; 237) which can be connected to liquid suction means (120; 220). The device also comprises liquid heating means (154; 254), and the body (130; 234) comprises an inner housing (135; 234B) configured and adapted to receive and completely enclose a liquid container (140; 240). The inner housing (135; 234B) comprises means (132, 133; 233) for the fluidic connection with said liquid container, and the neck (137, 237) comprises one or more tubes (151, 156; 252) adapted to fluidically connect said fluidic connection means (132, 133; 233) to said suction means (120; 220). The heating means (154; 254) are adapted to heat at least partially said one or more tubes (151, 156; 252), and the fluidic connection means (132, 133; 233) comprise one or more sharp spouts for the puncturing of a predetermined region of and for the fluidic connection with said liquid container (140; 240). The present invention also relates to a liquid container and a sanitizing system of the device according to the invention.La présente invention concerne un dispositif (100 ; 200) pour le chauffage et l'administration concomitante d'un liquide comprenant au niveau d'extrémités opposées un corps (130 ; 234) doté d'une base (136 ; 236) et d'un col (137 ; 237) qui peut être raccordé à des moyens d'aspiration de liquide (120 ; 220). Le dispositif comprend également des moyens de chauffage de liquide (154 ; 254), et le corps (130 ; 234) comprend un boîtier interne (135 ; 234B) configuré pour et adapté à recevoir et enfermer complètement un contenant de liquide (140 ; 240). Le boîtier interne (135 ; 234B) comprend des moyens (132, 133 ; 233) pour le raccordement fluidique audit contenant de liquide, et le col (137, 237) comprend un ou plusieurs tubes (151, 156 ; 252) adaptés à raccorder fluidiquement lesdits moyens de rac