If the class iv laser is in the 940 980nm wavelength range then it will penetrate less than a class 3b laser in the 800nm to 900 nm range.
Class 3b therapeutic laser.
Most laser products are required by law to have a label listing the class.
Class 2 class 3r class 3b and class 4.
3b lasers are safer.
Taking into account the fact that class 4 lasers are often significantly more expensive than class 3b lasers it is important to consider what you wish to use your laser for before.
Cold laser therapy low level laser therapy lllt low level lasers cold laser soft laser.
The affordable effective class 3b lllt 660mw 808nm handheld laser machine only we can supply the professional laser therapy protocols to help you get the better result.
The evidence is the.
Namely theralase inc based out of toronto canada.
By definition a class 4 laser can burn the skin or cause devastating and permanent eye damage as a result of direct diffuse or indirect beam viewing.
3b lasers have less stringent regulations rules vary by country and state.
Research has also shown tertiary and systemic effects occurring distal to the site of primary absorption of photons and of course for many applications deep tissue.
It is a lie when they say that there is evidence that more power is more effective.
If you need help please call us at 1 800 388 0850.
It will be listed either in arabic numerals 1 2 3r 3b 4 or in roman numerals i ii iiia iiib iv.
Class 4 is the highest and most dangerous class of laser including all lasers that exceed the class 3b ael.
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The more powerful the laser the greater the chance of injury.
There are four main classes for visible beam lasers.
Use of laser protective eyewear is suggested or recommended depending on the laser s power level as discussed elsewhere on this page.
Laser classes lasers are classified for safety purposes based on their potential for causing injury to humans eyes and skin.
An 820nm wavelength delivered by a class 3b laser such as omega s will penetrate deeper than a 980nm wavelength regardless of laser class.
Therefore a class 1m can be 100 times stronger than a class 2.
In conclusion a class 4 laser can only be used for therapeutic purposes if it is modified or used in such a way that it in essence behaves like a class 3b laser.
A class 3b laser can be a distraction glare or flashblindness hazard for pilots and drivers.
A comprehensive resource for safe and responsible laser use laser classes chart lasers are classified based on their potential for causing injury especially eye damage since the eye is most susceptible to excess laser light.
The best therapeutic laser i have used is one from one of the oldest and most respected cold laser manufacturers in the world.
Class 1m lasers are limited to 500mw the same as a class 3b but cannot cause eye damage unless the laser is focused through a lens.
Cold therapy lasers are 95 effective for pain relieving and anti inflammation suitable for people amp.
A class 3b laser can cause eye injury.
