Medical devices in the nature of inhalers for the administration of insulin, sold empty; medical devices in the nature of inhalers for the administration of pharmaceuticals, sold empty; medical devices, namely, inhalers for medical use; medical devices in the nature of inhalers used for delivery of pharmaceuticals to the lungs, sold empty; medical devices in the nature of inhalers used to measure patient inhalation effort and to train patients in personal inhaler use; devices in the nature of inhalers for medical use for measuring and facilitating the training of people in the use of inhalers; devices in the nature of inhalers for medical use with features for the measurement of respiratory patterns of patients; medical devices included as a component of inhaler systems for medical use, namely, patient monitors for monitoring and measuring respiration; medical devices included as a component of inhaler systems for medical use, namely, respiratory measurement and training apparatus; medical apparatus for diagnosing or treating respiratory conditions; medical devices included as a component of inhaler systems for medical use, namely, devices used to indicate dosing of medication; medical devices included as a component of inhaler systems for medical use, namely, devices used to transmit and receive data regarding inhalation, respiration, or dosage