Exemplary embodiments include dry powder inhalers (DPIs) and patient interfaces which improve delivery of aerosols to patients, especially children.

A portable oxygen delivery system including an oxygen concentrator having a housing, a compressor mounted inside the housing, a sieve module located within the housing and in fluid connection with the compressor, the sieve module containing a zeolite for removing Nitrogen from air through a pressure swing adsorption process for creating concentrated oxygen, a power source attached to the housing and an oxygen controller device for electronically controlling the pressure swing adsorption process. The portable oxygen delivery system also preferably includes a blowing apparatus fluidly connected to the oxygen concentrator having a blower housing, a blower motor mounted inside the blower housing, a blower fan connected to the blower motor, a second power source attached to the blower housing and a blower controller device for electronically controlling the blower.

Disclosed is a hand piece for an aesthetic and medical device including a first body portion having a cylindrical structure in which a cartridge mounting space a second body portion bound to a lower side of the first body portion and having a cylindrical structure having an upper side on which an air pressure providing portion configured to provide air pressure to the cartridge-mounting space and the auxiliary air flow paths is mounted and a spray head portion bound to an upper body of the first body portion and having a central part on which a spray needle bound to an upper body of the cartridge to upwardly spray the liquid cosmetic product or liquid medication accommodated in the cartridge is mounted.

Disclosed is a hand piece for an aesthetic and medical device including a first body portion having a cylindrical structure in which a cartridge mounting space a second body portion bound to a lower side of the first body portion and having a cylindrical structure having an upper side on which an air pressure providing portion configured to provide air pressure to the cartridge-mounting space and the auxiliary air flow paths is mounted and a spray head portion bound to an upper body of the first body portion and having a central part on which a spray needle bound to an upper body of the cartridge to upwardly spray the liquid cosmetic product or liquid medication accommodated in the cartridge is mounted.

There is provided a nebulizer (2), comprising a first plate (20) configured to hold a transducer (14); a second plate (22) having an aperture therein, the first plate being positioned on a first side of the second plate such that the transducer is adjacent the aperture; and a third plate (24) configured to hold a mesh plate through which liquid can pass to form droplets, the third plate being positioned on a second side of the second plate opposite the first side such that the mesh plate (16) is adjacent the aperture, with the aperture, transducer and mesh plate forming a cavity for holding liquid to be nebulized. A method for manufacturing such a nebulizer is also provided.

There is provided a nebulizer (2), comprising a first plate (20) configured to hold a transducer (14); a second plate (22) having an aperture therein, the first plate being positioned on a first side of the second plate such that the transducer is adjacent the aperture; and a third plate (24) configured to hold a mesh plate through which liquid can pass to form droplets, the third plate being positioned on a second side of the second plate opposite the first side such that the mesh plate (16) is adjacent the aperture, with the aperture, transducer and mesh plate forming a cavity for holding liquid to be nebulized. A method for manufacturing such a nebulizer is also provided.

Fit testing is conduct to ensure that gas mask provide proper protection to workers that may be exposed to airborne contamination. Standard fit test procedures require the mixing of fit test compounds to specific fit testing composition required for threshold testing and subsequent fit testing. A device is needed for easy mixing of the components of the fit test composition and easy delivery of fit test composition during a fit test. For example, a device for fit testing of a gas mask on an individual wearer may include a sprayer, at least one ampoule containing a fit testing component, and a reservoir containing the ampoule and a solvent for the fit test component. The reservoir may be hollow body having a sealed inner volume. The reservoir may be deformable to break at least one hermetically sealed ampoule without tearing or otherwise breaking the reservoir. Therefore, the ampoule may be broken within the reservoir to mix the gas mask fit testing component into the solvent to generate the desired concentration for either a threshold test or gas mask fit test.

The present invention relates to a kit comprising: a) an ampoule; b) a material comprising a hemp plant or parts thereof; and c) a color indicator capable of reacting by contacting the hemp plant and/or at least a part thereof to change the color of the color indicator, wherein the material and the color indicator are disposed in the ampoule; and a method for qualitatively and/or quantitatively detecting one or more substance(s) contained in the hemp plant using the kit.

This present invention provides a delivery device that could be used to delivery discreet small volume of expensive biotechnology treatments to specific areas of the oral cavity, or other tissues. The present invention also provides a method of using the device disclosed herein to deliver biotechnology treatments and/or therapeutic agents to specific areas of the oral cavity, or other tissues. In one embodiment, the treatments and/or therapeutic agents are delivered to the interproximal area between and around the teeth.

This present invention provides a delivery device that could be used to delivery discreet small volume of expensive biotechnology treatments to specific areas of the oral cavity, or other tissues. The present invention also provides a method of using the device disclosed herein to deliver biotechnology treatments and/or therapeutic agents to specific areas of the oral cavity, or other tissues. In one embodiment, the treatments and/or therapeutic agents are delivered to the interproximal area between and around the teeth.