The present invention provides an administration device and method for dispensing low density, high flowability powders into capsules with high target fill weight with accuracy and repeatability. [Selection figure] None本発明は、低密度・高流動性の粉末を、精確かつ反復性をもって、高い目標充填重量でカプセル内に吐出するための投与装置および方法を提供する。【選択図】なし