A mesh nebulizer that atomizes and ejects liquid through a mesh portion includes a vibration portion including a vibration surface facing upward, a liquid supply portion that supplies liquid toward the vibration surface of the vibration portion, a sheet including the mesh portion, and a support frame that supports a peripheral edge of the sheet. The support frame includes a bottom plate that supports a lower surface of the peripheral edge of the sheet, the bottom plate having a flat annular shape, and a larger inner diameter than a diameter of the vibration surface, and a protrusion radially protruding inward from the bottom plate. The sheet including the mesh portion faces the vibration surface at an inclination angle and is in contact with a first portion of a peripheral edge of the vibration surface.

An ultrasonic vibrator driving apparatus performs driving by applying an alternating voltage as a drive voltage to an ultrasonic vibrator that includes a piezoelectric element and has a unique resonance frequency. The drive voltage is generated with a variable frequency in a frequency range including the resonance frequency of the ultrasonic vibrator. The frequency of the drive voltage is repeatedly swept with a predetermined sweep width and a predetermined sweep period so as to include the resonance frequency, based on a reference frequency set according to the resonance frequency of the ultrasonic vibrator. The sweep period and the sweep width are restricted by being associated so as to fall within a predetermined allowed range on a two-dimensional map divided by the sweep period and the sweep width.

A mist inhaler device (200) for generating a mist for inhalation by a user. The device includes 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 mist inhaler device (200) for generating a mist for inhalation by a user. The device includes 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 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).

The present invention relates to a device (10) for supplying a mist of liquid (F). The device (10) is used in combination with a container (20) with an opening (200) for containing the liquid (F). The device (10) includes a main body (100) comprising: (i) a center axis (C); (ii) a liquid chamber (110) formed inside the main body (100), into which a predetermined amount of liquid (F) can be taken up; (iii) a first port (112) formed in a base wall (114) of the main body (100) forming a bottom surface (116) of the liquid chamber (110) so as to face the opening (200) when the device (10) and the container (20) are combined with each other, through which the liquid (F) can flow; (iv) a second port (118) formed in the base wall (114) at a position different from the position where the first port (112) is formed so as to face the opening (200) when the device (10) and the container (20) are combined with each other, through which the liquid (F) can flow; and (v) an aperture (120) connected to the liquid chamber (110), through which a mist of liquid (F) can be released to the outside of the main body (100). The device (10) further includes: a connecting section (122) provided on the main body (100) so as to extend from it in a direction away from the base wall (114) and used for connecting the container (20) to the main body (100); an atomizing element (124) interposed between the liquid chamber (110) and the aperture (120) to atomize the liquid (F) taken up in the liquid chamber (110) and release a mist of the liquid (F) to the outside of the main body (100) from the aperture (120); a first valve (126) mounted on the main body (100) corresponding to the first port (112), wherein the first valve (126) permits the liquid (F) in the container (20) flowing into the liquid chamber (110) through the first port (112) under the influence of gravity, and prevents the liquid (F) in the liquid chamber (110) flowing into the container (20) under the influence of gravity; and a second valve (128) mounted on the main body (100) corresponding to the second port (118), wherein the second valve (128) prevents the liquid (F) in the container (20) from flowing into the liquid chamber (110) through the second port (118) under the influence of gravity, and selectively permits or prevents the liquid (F) in the liquid cha

A mist inhaler device (200) for generating a mist including a therapeutic for inhalation by a user. The device includes 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 fluid delivery system includes a housing including cartridge reservoir, a fluid containing cartridge removably receivable in the cartridge reservoir, and a gasket disposed in the cartridge reservoir in a position to engage with the fluid containing cartridge. The gasket includes at least one biasing portion that is flexible in an insertion direction of the fluid containing cartridge when the fluid containing cartridge is received in the cartridge reservoir. The at least one biasing portion of the gasket facilitates air flow from the cartridge reservoir while flexing in the insertion direction.

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.

Methods, systems, and devices are provided for generating a mist. In one embodiment, a fluid delivery device is provided that includes a housing, a fluid vaporizer disposed within the housing and configured to receive fluid and to produce an aerosol mist of liquid particles from the fluid, and a pump configured to accelerate the aerosol mist produced by the fluid vaporizer. Methods are provided for producing a mist, and the methods can include delivering a fluid to a fluid vaporizer that generates a first mist. The fluid vaporizer delivers the mist to a pump that generates a second mist from the first mist.