Droplet device with flow element

An electronically actuated droplet delivery device comprising:

• a housing including a mouthpiece located at an airflow exit side of the housing and an airflow entrance side opposite the mouthpiece;
• a flow element disposed at the airflow entrance side of the housing and defining one or more air apertures;
• a combination reservoir/ejector mechanism module removably coupled with the housing, the combination reservoir/ejector mechanism module comprising:
• a fluid reservoir;
• an aperture plate having a plurality of openings and being in fluid communication with the fluid reservoir;
• and
• an electronic actuator operably coupled to the aperture plate and configured to vibrate the aperture plate at a frequency that generates an ejected stream of droplets;
• an airflow passage between an exit side of the aperture plate and a mouthpiece opening at the airflow exit side of the housing;
• and
• a differential pressure sensor in fluid communication with the airflow passage and operably coupled to trigger the electronic actuator to generate the ejected stream of droplets when a predetermined inhalation flow rate in the airflow passage is detected,
• wherein the flow element is configured to facilitate airflow across the exit side of the aperture plate.