POWDER INHALER FOR PULMONARY OR NASAL USE, COMPREHENDING AT LEAST A 801 INHALER BODY AND AN 803 CONTAINER WITH AT LEAST A 805 POWDER COMPARTMENT INCLUDING A DOSAGE OF DRUG. The inhaler body has an opening 804 formed to receive the 803 container and the means for allowing the controlled sliding of the 803 container relative to the 801 inhaler body after its assembly. The dust compartment 805 comprises at least two inlets or holes 806, 809, at least one of which is a side entry 809, for the admission of air, and an 807 compartment outlet to allow the filler and the flow communication with a Inhalation channel 808 provided in the inhaler body 801. In use, the patient slides the container 803 relative to the inhaler body 801 of a storage location, wherein the inlets to the container 805 powder are blocked and sealed by PARTICLES UNDERTAKING IN BODY 801 FOR THE INHALATION POSITION IN WHICH THE ENTRIES OF THE COMPARTMENT ARE AVAILABLE FOR THE ADMISSION OF AIR USED IN DISPERSION OF THE DRUG PARTICLES CONTAINED THEREIN AND THE EXPANSION OF THE COMPARTMENT 807 HAS TO BE ALIGNED WITH THE CHANNEL OF 801 BODY INHALATION 808 TO ALLOW SCRATCH DOSING THROUGH THE DEVICE UNTIL THE PLACE OF ACTION ON THE LUNGS DURING INHALATION. ADDING ONE OR MORE SIDE INPUTS 809 INTO THE CONTAINER POWDER INSTRUMENTS INDUCES A TURBULENT AND ROTATIONAL FLOODING PATTERN THAT PROMOTES IMPROVED DISPERSION AND STORAGE. The invention allows to obtain a very simple and economical device for the administration of high doses of inhalable medicaments.INALADOR DE PÓ PARA USO PULMONAR OU NASAL, COMPREENDENDO PELO MENOS UM CORPO DE INALADOR 801 E UM CONTENTOR 803 COM PELO MENOS UM COMPARTIMENTO DE PÓ 805 INCLUINDO UMA DOSE DE FÁRMACO. O CORPO DE INALADOR TEM UMA ABERTURA 804 FORMADA PARA RECEBER O CONTENTOR 803 E OS MEIOS PARA PERMITIR O DESLIZAMENTO CONTROLADO DO CONTENTOR 803 EM RELAÇÃO AO CORPO DE INALADOR 801 APÓS A SUA MONTAGEM. O COMPARTIMENTO DE PÓ 805 COMPREENDE PELO MENOS DUAS ENTRADAS OU ORIFÍCIOS 806,
