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Comparison Vega VN-410 vs Vega SI-01

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Vega VN-410
Vega SI-01
Vega VN-410Vega SI-01
from $30.16 up to $38.00
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from $23.20 up to $28.80
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Typecompressorsteam
Purposestationarystationary
Specs
Medicine container5 ml
Compressor power130 W
Nebulization rate
0.15 ml/min /- 0.5 mL/min/
Particle size1 – 10 µm
Medium particle size (MMAD)5 µm
Particle size changing
Noise level65 dB
Nozzles
adult mask
children's mask
nozzle for nose
nozzle for mouth
adult mask
children's mask
nozzle for nose
nozzle for mouth
General
Power sourcemainsmains
Dimensions184х151х104 mm240x90x260 mm
Added to E-Catalogaugust 2016july 2014

Type

Ultrasonic. Ultrasonic nebulisers operate by vibrating a special plate to break the liquid into tiny droplets, typically around 5 microns or smaller. These small droplets easily penetrate even the narrowest bronchial passages, ensuring effective inhalation. The temperature of the "steam" aligns with the surrounding air, making the inhalation process comfortable. Ultrasonic atomization is highly efficient, providing a strong therapeutic effect with compact and nearly silent devices, even pocket-sized. However, they come with drawbacks, including a relatively high cost, limited range (nebulization element to mask distance of 10 — 15 cm), which can be inconvenient, especially with children. Additionally, some drugs are not suitable for ultrasonic spraying, as it may either be ineffective or damage the active substances.

Compressor. This type of nebuliser provides nebulization due to the operation of the compressor, which supplies a powerful stream of air to a container with a treatment solution. This allows you to create "cold steam" like that produced by the ultrasonic models described above. However compressor units are quite heavy; pocket models are less common among this type; and during operation they create a characteristic noise, which is why they are poorly suitable for small children. On the other hand, such devices are very versatile: in most cases, they are suitable for any type of inh...aled drug, and they can also be equipped with devices for changing the particle size (see below).

— Salt. These nebulisers are specialized devices designed for inhaling "salty" air, mimicking the conditions found near the sea or in salt caves. These devices typically consist of specially shaped containers filled with healing salt, equipped with a protective filter to prevent the inhalation of salt grains. Inhaling through these nebulisers allows air to pass through the salt layer, becoming enriched with beneficial ions and micronutrients. Salt ones offer advantages such as compact size, no need for power, silent operation, and relatively low cost, with the bulk of the expense attributed to the salt filler. However, their drawback lies in their specific purpose — these devices are exclusively intended for salt inhalation and cannot be used for other substances.

— Steam. Nebulisers using the evaporation of a liquid through temperature, often known as "heat-moist", have a distinct feature: the inhaled substance is at a high temperature. This characteristic provides a unique thermal effect, but it comes with both advantages and disadvantages. Steam nebulisers offer a warmth not found in other types, yet they cannot be used when the body temperature is significantly elevated, and there is an extensive list of contraindications. Moreover, elevated temperatures can lead to the destruction of many medicinal substances, limiting the range of drugs suitable for steam inhalation. Additionally, these devices often produce larger droplets and are primarily effective for treating the upper respiratory tract.

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.

Particle size changing

Possibility to change the size of the particles created during the nebulization of the medicinal product. See above for size value. Here we note that high penetrating power is not always required: for some diseases (for example, inflammation in the larynx or trachea), it is not necessary to deliver the medicine deep into the bronchi. Accordingly, by changing the particle size, it is possible to control the delivery distance.

Noise level

The nebuliser's maximum noise level during normal operation is a crucial factor for user comfort, especially in situations where loud sounds are undesirable, such as when treating children or during nighttime use. It's important to note that the relationship between decibel levels and actual perceived noise is not linear. For instance, a 3 dB increase corresponds to a doubling of noise, and a 20 dB increase equals a 100 — fold increase in noise. Comparative tables are often used to assess the actual loudness of inhalers, and here are some relevant values for modern devices:

30 dB — comparable to a whisper, the maximum permissible noise level in residential premises at night according to sanitary standards;
35 dB — talking in an undertone;
40 dB — normal speech at a distance of about 10 m;
45 dB — conversation in a normal voice;
50 dB — a conversation is slightly louder than usual, it is considered the maximum noise level that does not cause noticeable inconvenience;
55 dB — car engine;
60 dB — TV at medium volume;
65 dB — loud conversations at a distance of up to 1 m.
Vega VN-410 often compared
Vega SI-01 often compared