Patents Assigned to Astra Akteibolag
  • Inhalation device
    Patent number: 6257232
    Abstract: An inhaler for administering powder by inhalation, including a plurality of surfaces defining a flow path through which a stream of air is in use drawn on inhalation by a user. The flow path including a mouthpiece; and dosing means for providing a dose of powder to the flow path for entrainment in the stream of air. The inhaler further comprises a movable member downstream of the dosing means for inhibiting accumulation of powder on a surface of the flow path downstream of the dosing means.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: July 10, 2001
    Assignee: Astra Akteibolag
    Inventors: Jan Andersson, Allan Dagsland, Kjell Wetterlin