Includes material (2) at least one opening is configured to accept the (10), opening width (9) and overall height includes (13), extending along the longitudinal axis of the height (13) of the metering element (33) (mx), a width (9) of longitudinal axis (mx) The transverse extending, continuous width (8) of the opening of the opening (10) in (10) Height (13) shorter than the metering element for the suction device (1) (33) is provided. Moreover, and a metering element (33) and the sealing member (31), to extract substances when the metering element (33) is mechanical cooperation with the sealing member (31) and (2) from the metering chamber (40) It is prevented, the assembly is provided for inhalation device (1).物質(2)を受け入れるように構成された少なくとも1つの開口部(10)を含み、開口部が幅(9)および全高(13)を含み、高さ(13)が計量要素(33)の長手方向軸線(mx)に沿って延び、幅(9)が長手方向軸線(mx)を横切って延び、開口部(10)の連続する幅(8)が開口部(10)の全高(13)よりも短い、吸入デバイス(1)用の計量要素(33)が提供される。さらに、計量要素(33)と封止部材(31)とを含み、計量要素(33)が封止部材(31)と機械的に協働したとき物質(2)を計量チャンバ(40)から取り出すことが防止される、吸入デバイス(1)用のアセンブリが提供される。
