Provided is an emulsion preparation device, which enables the production of an emulsion in any one of medicinal solutions having various compositions and also enables the reduction in a sliding friction to a relatively low degree. An emulsion preparation device (1) equipped with a filter part (10), said device being characterized in that the filter part (10) is composed of two mesh parts (i.e., a first mesh part (31) and a second mesh part (33)) and a fiber (32), wherein the fiber (32) is filled in a space (30) formed between the first mesh part (31) and the second mesh part (32).提供一種乳劑調製用裝置,其可在各種組成之藥劑下形成乳劑,並可使滑動阻力較小。一種乳劑調製用裝置,係具有濾器部者,其特徵在於:濾器部係藉由2個第1及第2篩孔部與纖維所構成,且纖維係充填在第1篩孔部及第2篩孔部之間的空間內。1‧‧‧裝置2‧‧‧第1圓筒體4‧‧‧第2圓筒體10‧‧‧濾器部20、40‧‧‧開口21‧‧‧第1圓筒部22‧‧‧第2圓筒部23‧‧‧凹形蓋28、48‧‧‧魯爾接頭29、49、231‧‧‧外凸緣30‧‧‧空間31‧‧‧第1篩孔部32‧‧‧纖維33‧‧‧第2篩孔部211‧‧‧開口周緣
