CLASS 4 WARNINGS
FDA WARNING ON CLASS IV LASERS: IMMEDIATE SKIN HAZARD AND EYE HAZARD FROM EXPOSURE TO EITHER THE DIRECT OR REFLECTED BEAM; MAY ALSO PRESENT A FIRE HAZARD.
What is a Class IV Laser?
FDA – Description of Class IV Laser (Laser Product Hazard): Immediate skin hazard and eye hazard from exposure to either the direct or reflected beam; may also present a FIRE HAZARD
Wikepedia: Class IV/4 lasers CAN BURN SKIN, and in some cases, even scattered light can cause eye and/or skin damage.
Europe (EN & IEC): Class IV is the highest class of laser radiation. Radiation in this class is very dangerous, and viewing of the diffuse reflection may be dangerous. Class 4 laser beams are CAPABLE OF SETTING FIRE to materials onto which they are projected.
Are they safe?
No, they are very dangerous. You should be very careful if you decide to buy one of these lasers. There is a reason the FDA has classified them, “Class IV”.
Class IIIa & IIIb lasers generate no heat, and are proven (20+ years) of being VERY SAFE. They are commonily referred to as “Cold Lasers”. They can be used for an unlimited amount of time, without generating heat or causing harm to your patients.
Class IV lasers are VERY DIFFERENT. If you use one of these devices for several minutes, you could cause serious harm to your patients. Most Class IV operating guides, warn about prolonged exposure. They consider a few minutes, prolonged exposure.
If they were “Cold Lasers”, why the warning? “Cold Lasers” do not produce any heat and can be used for any duration of time.
Dr. Kaplan is a former Class 4 Doctor who switched back to Class 3
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