Battery-operated foam inhalation device

A foam drawing device for a user to draw foam therefrom with breath of the user, the foam drawing device comprising:

• a container for containing a liquid for producing a foam, the container having a container foam outlet for emitting foam and a container air inlet for receiving air;
• an electrically energisable air pump for moving air to the container air inlet from an exterior of the device;
• a power source configured to power the electrically energisable air pump;
• a mouthpiece fluidly communicated with the foam outlet for a user to draw foam from;
• a pressure sensor fluidly communicated with the mouthpiece and configured to detect when negative pressure is applied to the mouthpiece;
• a processor configured to operate the electrically energisable air pump when the pressure sensor detects negative pressure applied to the mouthpiece.

A foam inhalation device comprising:

• a cartridge having a liquid configured to produce a foam, and a cartridge foam outlet;
• an agitator for agitating the liquid to produce foam;
• and
• a carrier having
• a receiving portion configured to receive the cartridge,
• a carrier foam inlet configured to be fluidly communicated with the foam outlet of the cartridge when the cartridge is any one of received at and received in the receiving portion,
• a carrier foam outlet for dispensing the foam to a user,
• a conduit between the carrier foam inlet and the carrier foam outlet;
• and
• a carrier air inlet.