The present invention relates to improvements made to the blister advancement mechanism of a dry powder inhaler. The mechanism of the dry powder inhaler (11) includes an operating plate and a transmission wheel. [Selection] Figure 5本発明は、乾燥粉末吸入装置のブリスター前進機構に行われた改良に関する。乾燥粉末吸入装置(11)の機構は作動板と伝達輪とを備える。【選択図】図5