A nebulizer has an aerosol generator mounted in a housing, and has a vibratable aperture plate mounted to an annular support and to which is attached a vibration generator piezo. A downstream annular resilient seal is mounted between the housing and the washer on a side of the aperture plate opposed to the liquid supply reservoir. An upstream resilient seal is in the form of a gasket and is mounted between the washer and the housing reservoir, and has an opening forming part of a throat over the aperture plate. The gasket has a washer-shaped body extending radially from a downstream-extending rim adjacent the aperture plate. There are two upwardly-directed ridges for engagement with a housing surface, and the gasket is configured so that when under axial compression the opening internal surface is tapered inwardly in a flow direction to form a funnel shape.

A vaporizer device may include a vaporizer body configured to couple with at least one vaporizer cartridge including a first reservoir and a second reservoir. The vaporizer device may include a first aerosol generation mechanism configured to generate a first part of an aerosol by at least vaporizing a first aerosol component present in a first vaporizable material in the first reservoir. The vaporizer device may also include a second aerosol generation mechanism configured to generate a second part of the aerosol by vaporizing a first aerosol component present in a second vaporizable material at a second temperature. The first part of the aerosol and the second part of the aerosol may be delivered, via a mouthpiece, to a user of the vaporizer device.

A security tag can prohibit unauthorized usage of a device or product. The device may include an electronic nicotine delivery systems (“ENDS”) device, which may include aerosol delivery devices such as smoking articles that produce aerosol. The security tag can prevent usage until authorized. Attempts at usage without authorization can result in the device being unusable. The authorization may include identity confirmation or age verification.

Methods of altering the surface energy of components of a mesh nebulizer are provided, comprising: a) depositing a metal surface layer on surfaces of the component; b) forming a hydrophobic coating layer comprising an organo-silicon or a self-assembled monolayer of an organophosphorus acid directly on the metal surface layer or indirectly on the metal surface layer through an intermediate organometallic coating; and either: i) removing select areas of the hydrophobic coating layer to expose the metal surface layer; or ii) forming a polymeric coating layer chemically bonded to and propagated from terminal functional groups on the hydrophobic coating layer that are capable of initiating polymer growth when exposed to a source of polymerizable monomer, on select areas of the components. Mesh nebulizers formed by such methods are also provided.

An aerosol provision system includes one or more receptacles each forming a respective central space, a base adapted to support the or each receptacle, the or each receptacle being removable from the base and at least a first airflow generator, operable to draw air through at least a first aerosol generator, wherein the base includes one or more outlets through which, in operation, aerosolized payload is directed to flow from the base into the central space of a respective receptacle and the or each receptacle comprises a first opening through which the user can inhale the aerosolized payload.

A test fixture for testing aerosol provision devices may include a housing, a plurality of testing modules disposed at the housing where each of the testing modules includes a cavity configured to receive a portion of an aerosol provision device, and processing circuitry operably coupled to the testing modules. Each of the testing modules may be configured to interface with an assembly of a respective one of the aerosol provision devices to transition the assembly between an initial state and a transitioned state during a functional test controlled by the processing circuitry. The processing circuitry may be configured to conduct the functional test of at least two of the testing modules simultaneously.

A hookah device (202) which attaches to a hookah (246). The hookah device (202) comprises a plurality of ultrasonic mist generator devices (201) for generating a mist for inhalation by a user. The hookah device (202) comprises a driver device (202) which controls the mist generator devices (201) to maximize the efficiency of mist generation by the mist generator devices (201) and optimize mist output from the hookah device (202).

A nebulizer device for administering aerosol cannabinoid mixtures to a user includes a mouthpiece, a first reservoir, a second reservoir, and a nebulizer device. The nebulizer module is configured to receive a first dosage of the first liquid from the first reservoir and a second dosage of a second liquid from the second reservoir. The nebulizer module is also configured to transform the first liquid into an inhalant and the second liquid into an aerosol that are provided to the user through the mouthpiece. The device further includes a dosage module configured to independently control the delivery of the first liquid and the second liquid to the nebulizer module to set a ratio between the first dosage of the first liquid and the second dosage of the second liquid. The dosage module thereby controls a composition of an aerosol cannabinoid mixture administered to the user.

Novel, lubricious coatings for medical devices are disclosed. The coatings provide improved lubricity and durability and are readily applied in coating processes a low temperatures that do not deform the device. The present invention is also directed to a novel platinum catalyst for use in such coatings. The catalyst provides for rapid curing, while inhibiting cross-linking at ambient temperatures, thereby improving the production pot life of the coatings.

A respiratory therapy apparatus is operable to deliver multiple types of therapy to a patient. The apparatus includes a main housing and a nebulizer tray that selectively attaches to a bottom of the main housing. The apparatus also includes a filter housing unit having an antenna surrounding a pneumatic passage and a transponder chip coupled to the antenna. The main housing has also has an antenna that surrounds a respective pneumatic passage of a main outlet port of the apparatus. The main housing includes a reader that controls communication between the antennae. The main housing of the apparatus also has a pivotable hose support plate, a firmware upgrade port underneath part of the top wall of the housing, and a graphical user interface (GUI) that displays various user inputs for control of the apparatus and that displays various alert conditions that are detected.