The device (100) according to the invention is used to clean medical instruments (60) having at least one instrument cavity (62) and at least two openings (63, 66), wherein the device (100) has a first fastening module (5) for detachably fastening the medical instrument (60) and a second fastening module (6) for detachably fastening a first container (7) for receiving liquid (insert in drawing) and/or air (insert in drawing), wherein the device (100) comprises a cleaning device cavity (25, 13, 16) which is designed such that when the medical instrument (60) and container (7) are fastened, the liquid and/or air can be flushed from the interior of the container (7) through the cleaning device cavity (25, 13, 16) into the instrument cavity (62). According to the invention, the device (100) has a first and a second operating position, wherein, in the first operating position, the liquid (80) can be flushed out of the container (7) through the cleaning device cavity (25, 13, 16) into the instrument cavity (62) and, in the second operating position, air can be flushed out of the environment through the container (7) and the cleaning device cavity (25, 13, 16) into the instrument cavity (62).El dispositivo (100) de conformidad con la invención sirve para la limpieza de instrumentos médicos (60) con cuando menos una cavidad (62) de instrumento y cuando menos dos aberturas (63, 66), siendo que el dispositivo (100) presenta un primer módulo de sujeción (5) para la sujeción soltable del instrumento médico (60) y un segundo módulo de sujeción (6) para la sujeción soltable de un primer recipiente (7) para el alojamiento de líquido (insertar en el dibujo) y/o aire (insertar en el dibujo), siendo que el dispositivo (100) presenta una cavidad (25, 14, 16) de dispositivo de limpieza que está conformada de tal modo que con el instrumento médico (60) sujetado y el recipiente (7) sujetado, el líquido y/o el aire del interior del recipiente (7) puede pasar por la cavidad (25, 13, 16) de
