Powder inhalation system

A powder inhalation system comprising:

• a container configured to accommodate a powder to be inhaled;
• a mouthpiece having an inhalation port;
• a transport line for transporting the powder from the container to the inhalation port;
• a wall defining the transport line;
• and
• a powder inhaler comprising a chamber in which the container is disposed, and a needle configured to form an opening in the container when the container is disposed in the chamber, wherein
• the wall is formed by a transparent or semitransparent material that makes an interior of the transport line visible from outside.

A powder inhalation system comprising:

• a cartridge configured to hold a container that accommodates a powder to be inhaled, the cartridge comprising:
• a tubular member having a mouthpiece at one end with an inhalation port;
• a transport line within the tubular member for transporting the powder toward the inhalation port;
• and
• a wall formed by a transparent or semitransparent material that makes an interior of the transport line visible from outside;
• and
• a powder inhaler comprising:
• a chamber configured to receive the cartridge such that the container is disposed in the chamber;
• and
• a needle configured to form an opening in the container when the container is disposed in the chamber, wherein
• a portion of the cartridge extends to outside of the powder inhaler when the container is disposed in the chamber.

A powder inhalation system comprising:

• a container configured to accommodate a powder to be inhaled;
• a mouthpiece having an inhalation port;
• a powder inhaler comprising:
• a chamber in which the container is disposed;
• and
• a needle configured to form an opening in the container;
• a transport line for transporting the powder from the container to the inhalation port;
• and
• a flow obstruction disposed in the transport line and configured to prevent clumps of the powder from reaching the mouthpiece when a user inhales.