Abstract: An assembly and a system suitable for dispensing liquid from a compressible bag, such as for IV treatment of a patient. The assembly includes an apparatus and a flexible mat. The apparatus includes a housing with a dispensing end and an opposite rear end, a floor comprising a flat floor surface, a pair of parallel guiding tracks and a roller arrangement including a roller body. The roller arrangement has a first roller arrangement end and a second roller arrangement end respectively engaged with the respective guiding tracks. The mat has a first mat end, which is mounted to or adapted to be mounted to the roller body and the mat is located at least partly on the flat floor between the guiding tracks.

Abstract: The application discloses an assembly including a compressible bag and an apparatus for dispensing a liquid from a bag. The apparatus includes a housing with a dispensing end and an opposite rear end, a bottom part and top part and two side parts. A roller arrangement and a pair of steering tracks are mounted in a track length direction on the side parts, and the roller arrangement includes at least a front roller adapted to roll from the rear end towards the dispensing end. The surface of the roller is adapted for engagement with the compressible bag placed on the bottom part, and a gap is provided between the bottom part and the surface of the front roller, the gap being in the range of 2 to 10 mm where the surface of the front roller is closest to the bottom part.