Wearable aerosol delivery apparatus

A small scale wearable aerosol delivery apparatus for releasing an aerosol with an active ingredient into an oral or nasal passage of a user, said apparatus comprising:

• a) a housing comprising a first and a second surface, said first surface being adapted to be disposed against a wrist of said user with the second surface substantially parallel to the first surface, said housing having a size and profile equivalent to a wristwatch;
• b) the housing defining a reservoir for containing at least one metered dose of said aerosol, with said active ingredient under pressure;
• c) an aerosol release mechanism connected with said reservoir, and contained within the housing, for releasing a dose of said aerosol from said reservoir when actuated;
• d) a fastener member attached to said housing to fasten said housing onto said user's wrist, whereby said apparatus is worn by said user and effective for delivering said at least one metered dose of aerosol containing said active ingredient into said user's passage on demand;
• and
• e) a filling mechanism contained within the housing and communicating with said reservoir for injecting a supply of said at least one dose of aerosol with said active ingredient into the reservoir.