Class 3b Therapeutic Laser

Class 3b lasers do not have a thermal effect. Die klasse 3b liegt in einem wellenlängenbereich zwischen 302 5 nm und 1 µm und hat eine leistung von 5 bis zu 500 milliwatt. Laser classification class 3b versus class 4 is only used according to iec 60825 1.

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Class 3b lasers are hazardous for eye exposure.

Class 3b therapeutic laser.

Heat is a by product of the tissue absorbing the laser emission. 3b laser systems cost less. Die laserstrahlung kann brand und explosionsgefahr verursachen. There is zero published evidence to show that a class 4 laser penetrates deeper than a high powered 3b laser.

Die laserstrahlung ist gefährlich für das auge und in besonderen fällen auch für die haut schädlich. Class 3b is the same as the roman numeral class iiib you may see on some lasers labels. If the class iv laser is in the 940 980nm wavelength range then it will penetrate less than a class 3b laser in the. The first two classes are relatively safe for eye exposure.

They can heat skin and materials but are not considered a burn hazard. The last two are hazardous. The fact that the laser is called a cold laser does not mean that it is cold to the patient. In fact a continuous wave class 3b laser could burn or cut a patient s skin.

Class 2 class 3r class 3b and class 4. Ihre strahlung ist so intensiv dass bei jeglicher art von exposition der augen oder der haut mit. We offer a 500 mw laser the powerlaser 500 a 1500 mw laser the powerlaser 1500 as well as an 18 000 mw laser the gigalaser which are all class 3b. The chart below shows how the eye injury hazard increases as the laser s power increases.

Both are powerful enough to present potential hazard. Auch diffus gestreute strahlung kann gefährlich sein. Die zugängliche laserstrahlung ist sehr gefährlich für das auge und gefährlich für die haut. Class iv laser companies use class 3b evidence to promote their products because they don t have much of their own.

Laser der klasse 4 sind hochleistungslaser. Each is described in more detail here. 2014 guidelines to determine the possible risk for eye and skin damage and has nothing to do with the efficiency or efficacy for that matter in treatment of conditions. Classes 3b and 4 lasers are distinguished by power levels with class 3b being those up to 500mw and class 4 being greater than 500mw.

For visible beam consumer lasers there are four main classes. For visible light lasers class 3b lasers output power is between 5 and 499 milliwatts. 3b lasers are safer. Class 3b mainly to the eye and class 4 to skin and tissue as well as the eye.

Keep in mind that the 1500 mw 1 5 w and the 18 000 mw 18 w lasers are also class 3b because they consist of several class 3b laser diodes which distribute the energy over a large area. Laser der klasse 3b geben im dauerstrichbetrieb cw laser maximal eine leistung von 500mw ab. Das betrachten der strahlauftreffstelle auf einer nichtreflektierenden wand diffuse reflexion führt zu keinem augenschaden.