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.本發明關於一種用於加熱且同時供給液體的裝置(100、200),包括在相反端的本體(130、234)和頸部(137、237),本體(130、234)具有基座(136、236),頸部(137、237)可連接至液體抽吸工具(120、220)。裝置亦包括液體加熱工具(154、254),且本體(130、234)包括內殼體(135、234B),配置且適用於接收和完全圍住液體容器(140、240)。內殼體(135、324B)包括用以流體地連接所述液體容器的工具(132、133,233),且頸部(137、237)包括一或多個管體(151、156,252),適用於將所述流體連接工具(132、133,233)流體地連接至所述抽吸工具(120、220)。加熱工具(154、254)適用於加熱所述一或多個管體(151、156,252)的至少部分,且流體連接工具(132、133,233)包括一或多個尖的噴嘴,用以刺穿所述液體容器(140、240)的預定區域以及流體地連接所述液體容器(140、240)。根據本發明,本發明亦提供關於裝置的消毒系統和液體容器。