An inhaler (10), comprising: an inhaler housing (10h)； a dose container disk (30) having inner and outer perimeters mounted in the inhaler housing, the dose container disk has a plurality of dose containers (30c) circumferentially spaced to contain dry powder therein； and a perforator car (505) with a perforator (520) mounted in the inhaler housing where the dose container disc includes a first row (31) of circumferentially spaced openings in a first radius and a second row (32) of circumferentially spaced openings in a second radius so that the first and second rows are concentric with respect to the center of the disc, and where the piercer carriage is configured to place the perforator on or under the container of the first row and then on or below a second row dose container characterized in that, the perforator carriage is in communication with a resilient member (500) that radially predisposes the perforator carriage so that it moves radially to align the perforator with a container of underlying or superimposed dose, so that the perforator automatically moves up and down to alternately pierce sealants (36, 37) and ncima and below a respective dose container in the first row (31), and then drill some sealants above and below a dose container in the second row (32).Un inhalador (10), que comprende: un alojamiento (10h) de inhalador； un disco (30) de contenedores de dosis que tiene unos perímetros interior y exterior montados en el alojamiento de inhalador, el disco de contenedores de dosis tiene una pluralidad de contenedores de dosis (30c) espaciados circunferencialmente para contener polvo seco en los mismos； y un carro (505) de perforador con un perforador (520) montado en el alojamiento de inhalador en donde el disco de contenedores de dosis incluye una primera fila (31) de aberturas espaciadas circunferencialmente en un primer radio y una segunda fila (32) de aberturas espaciadas circunferencialmente en un segundo radio de modo que las filas primera y segu
