Patent ID: 6651341
Filing Date: 2003-11-25
Classification: A61M

Abstract:
Arrangement in a dry powder inhaler for cutting open a foil which protects a selected dose of medical powder carried by a dosing member, comprisinga foil-cutter element having the form of a triangular wedge with a sharp point in front thereby forming a plough positioned in front of a nozzle of a mouthpiece suction tube; a dosing member provided with prepared beds of powder covered by a protective foil; wherein upon an inhalation process said dosing member is propelled towards said foil-cutter element and said protective foil is cut open laterally and folded upwardly and outwardly in relation to an underlying bed of powder by relative movement and contact between the foil-cutter element and the protective foil to make said nozzle access a selected bed of powder, the powder content of the selected bed of powder then being sucked into the inhalation air and transported into the lungs of the user during a prolonged time of the inhalation process.