The present invention includes and provides a method of delivering a medicament to an eye of a subject in need thereof a solution, the method comprising: (a) providing droplets containing the medicament with a specified average size and average initial ejecting velocity; and (b) delivering the medicament to the eye, where the droplets deliver a percentage of the ejected mass of the droplets to the eye.

A control body and cartridge that are coupleable with one another to form an aerosol delivery device are provided. The control body comprises a control component and an RFID reader contained within at least one housing. The cartridge comprises at least one heating element and an RFID tag contained within at least one housing. The RFID reader of the control body is coupled to the control component of the control body and configured to communicate with the RFID tag of the cartridge upon coupling of the control body with the cartridge. The control component of the control body is configured to authorize the cartridge for use with the control body based at least in part on communication between the RFID reader and the RFID tag.

An inhalation interface may monitor and analyze flow rate in an inhalation device. The inhalation interface may be calibrated for a user. The inhalation interface may send usage data to a user for review. In some embodiments the inhalation interface may send usage data to a physician and provide active feedback to a patient. The active feedback may indicate when the flow rate during an inhalation is within a target threshold.

A mist inhaler device (200) for generating a mist for inhalation by a user. The device comprises a mist generator device (201) and a driver device (202). The driver device (202) is configured to drive the mist generator device (201) at an optimum frequency to maximise the efficiency of mist generation by the mist generator device (201).

A nasal spray device can include housing having a sensor and a nozzle having a housing interface with a graphical image thereon. The sensor can be configured to sense movement of the graphical image when the nozzle moves relative to the housing, for instance during administration of medicine from the nasal spray device. The sensor can include an infrared proximity sensor that senses infrared reflectivity from the graphical image. The infrared proximity sensor can also be used to measure distance to a surface of a vial within the housing to thereby detect insertion of the vial into the housing.

An indicating device includes a mechanical dose counter adapted to count the number of doses that have been dispensed from or remain in a container and an electronic module coupled to the mechanical dose counter and adapted to record when the doses have been dispensed from the container. Methods of using and assembling the device are also provided.

A device for diffusing a liquid into a vapor proximate a face of a person comprises a U-shaped enclosure that has two legs connected with a back portion for resting on shoulders of the person around a neck of the person. A top side of the enclosure has at least one diffusion port. A control circuit disposed within the interior space of the enclosure includes a controller, at least one user interface, a power source, and a diffusion mechanism connecting a reservoir containing the liquid with the at least one diffusion port. Wherein the person has a smart phone running a software application, the controller may further include a processor, a non-volatile memory, and a wireless network module adapted to wirelessly communicate with the software application running on the smart phone to control a diffusion rate, an on/off status of the device, and a timer.

A compliance monitoring module for a breath-actuated inhaler comprising: a miniature pressure sensor, a sensor port of said sensor being pneumatically coupled to a flow channel through which a user can inhale; a processor configured to: receive a signal originating from a dosing mechanism of the inhaler indicating that medication has been released; receive data from a sensing element of the sensor; and based on said signal from said dosing mechanism and said data from said sensing element, make a determination that inhalation of a breath containing medication through said flow channel complies with one or more predetermined requirements for successful dosing; and a transmitter configured to, responsive to said determination, issue a dosing report.

A smoke inhalation device may include a housing, a first cartridge comprising a first release device configured to release a first substance, a second cartridge comprising a second release device configured to release a second substance, and a controller configured to control the operation of the first release device and the second release device. The first release device and the second release device may be configured to be operated independently from one another, such that a combined vapor composition including the first substance and the second substance is configured to be varied.

A smoke inhalation apparatus may include a cartridge having a release device configured to release a substance, a controller configured to control the operation of the release device, and a communication device configured to allow a user to change and monitor settings of the smoke inhalation apparatus and/or a state of the smoke inhalation apparatus. The communication device may include a display configured to indicate usage of the smoke inhalation apparatus. The communication device may be configured to reprogram the controller to operate according to a modified usage limit different than an initial usage limit.