DOSE INDICATOR FOR INHALERS

摘要

An indicator unit for giving an indication to an asthma sufferer when he is about to use an asthma inhaler. The indicator unit comprises a case for holding the inhaler, a switch operated by use of the inhaler, a timing circuit and an indicator means. The timing circuit is pre-programmed with the recommended dosage regimen and gives an indication via the indicator means as to the advisability of taking a current dose.