A dry powder inhaler with a blister folding device is provided. the inhaler comprises a housing for receiving a single blister containing a dose of medicament for inhalation by a user, a mouthpiece through which a dose of medicament is inhaled by a user and a blister opening device. the blister opening device comprises a blister support element for supporting a blister containing a dose of medicament for inhalation by a user, and a blister folding element cooperable with the blister support element. the blister folding element and the blister support member are movable relative to each other between a first position for inserting said blister into or over the blister support member and a second disruption position wherein the blister folding element cooperated with the blister support member. movement from the first position to the second position causes each of two spaced portions of said blister to fold relative to the remainder of the blister and against the blister support member along a respective fold line to produce two openings. spaced such that when a user inhales through the mouthpiece, an air flow through the blister via the two openings is generated to drag the dose contained therein and load it out of the blister and via the mouthpiece into the airways. user aerials. each opening extends along the circumference of the blister pocket, beginning and ending at points located over the fold line. no perforation of the blister is required.é previsto um inalador de pó seco com um dispositivo de dobramento de blister. o inalador compreende um alojamento para receber um único blister contendo uma dose de medicamento para inalação por um usuário, uma peça bocal através da qual uma dose de medicamento é inalada por um usuário e um dispositivo de abertura de blister. o dispositivo de abertura de blister compreende um elemento de suporte de blister para suportar um blister contendo uma dose de medicamento para inalação por um usuário, e um elemento de dobramento de
