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Comparison Vega VN-300 vs Omron MicroAir U22

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Vega VN-300
Omron MicroAir U22
Vega VN-300Omron MicroAir U22
from $37.96 up to $39.60
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from $159.92
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Main
Spraying the substance at any angle of inclination. Silent operation. The minimum residual volume of the drug.
Typeultrasonicultrasonic
Purposepocketpocket
Specs
Medicine container8 ml7 ml
Compressor power2 W
Nebulization rate0.32 ml/min0.5 ml/min
Particle size1.5 – 4.8 µm
Medium particle size (MMAD)4.8 µm
Nozzles
adult mask
children's mask
nozzle for mouth
adult mask
children's mask
nozzle for mouth
General
Case included
Power sourcemains/battery
mains/batteries /2xAA/
Dimensions57x42x109 mm38x104x51 mm
Weight98 g
97 g /without batteries/
Added to E-Catalogaugust 2014may 2014

Medicine container

The nebuliser's built-in medicine reservoir volume is a crucial consideration. It's important to align this parameter with medical guidelines for the prescribed treatment. A too-small capacity may require frequent refilling, disrupting the treatment process.

Also, knowing the volume of the reservoir and the nebulization rate (see below), it is possible to estimate the operating time of the nebuliser on a single refill.

Compressor power

The power consumed by the compressor of the nebuliser during operation; in this case, it means not only the corresponding element of compressor models (see "Type"), but also the nebulizer in ultrasonic devices.

The performance and power consumption of the nebuliser depend on this parameter. The more powerful the compressor, the higher the possible air flow rate and, accordingly, nebulization. At the same time, powerful devices consume more power (which is especially important when powered offline, see below) and can generate quite a lot of noise.

Nebulization rate

The nebuliser's nebulization capacity per minute.

The ideal nebulization rate can differ based on factors such as the patient's health condition, the type of disease, and the composition of the inhaled medication, as outlined in medical guidelines. This rate is crucial in assessing the inhaler's effectiveness for specific situations and also influences how long the device operates on a single medication refill.

Some models have a nebulization speed control — in such cases, the maximum value is usually indicated in the characteristics.

Particle size

The aerosol generated by a nebuliser contains droplets of varying sizes. Smaller droplets have an easier time reaching the narrow passages of the bronchi, delivering the medicinal substance deeper into the respiratory system. For optimal therapeutic effects, it is recommended that droplet sizes do not surpass 5 microns. It's worth noting that during the atomization process, particles may vary in size, and their values are often expressed as a range.

Medium particle size (MMAD)

Since not all particles have the same size, this paragraph indicates exactly the average, most common particle size when splitting in this inhaler. Accordingly, lower values allow easier and deeper penetration into the bronchi.

Power source

— Mains. Operating on a standard household network of 230 V, this option enables the creation of nebulisers with versatile power and performance. With constant voltage supply, there's no concern about battery depletion during use. However, it comes with the drawback of requiring a power outlet and limiting mobility. As a result, mains power is commonly employed in stationary nebulisers (refer to "Purpose") but is rarely found in portable models.

— Batteries. Powered by replaceable batteries of a standard size — most often AA. This self-contained power source enables nebuliser use even in remote locations, providing complete independence from civilization. While quick battery replacement is possible with a spare, it limits the creation of high-power devices. Typically used in pocket models (refer to "Purpose"), this option incurs additional costs, requiring the purchase of disposable spare cells or relatively expensive rechargeable batteries. Moreover, finding batteries can be more challenging than locating a 230 V outlet for device charging, a drawback compared to built-in batteries (see below).

— Battery. Powered by its own original battery, which may be non-removable. Like the batteries described above, this option is intended mainly for compact pocket models; at the same time, batteries can have a fairly high power and work normally even with stationary nebulisers. Their advantages...are low cost and ease of use: instead of regularly buying and changing batteries, it is enough to periodically charge the device. Among the shortcomings, it is worth noting the impossibility of quickly replacing the battery — a dead battery has to be recharged, which takes time and the availability of a source of electricity. On the other hand, the specifics of the use of most nebulisers is such that this disadvantage is not critical in most cases.

Note that there are models with combined power source — mains/batteries or mains/battery. This combination allows you to combine the advantages of both options and compensate for the shortcomings, and also makes the device as versatile as possible — for each individual case, you can choose the best power option.
Vega VN-300 often compared
Omron MicroAir U22 often compared