Why class 4 laser therapy Can help reduce pain
Laser therapy is a non-invasive technique to help reduce pain and inflammation. Laser therapy can be safely used as an adjunct or replacement for pharmaceutical drugs. This pain relief treatment is FDA cleared and enables patients to have an alternative to drugs and surgery.
The most significant issue with the clinical use of lasers is the depth of penetration. Some practitioners make the mistake of using low-power Class 3 lasers, which basically amounts to a standard laser pointer.
Most class 3a lasers only use a red wavelength – 635 nanometers in the visible red. When you look at the depth of penetration with laser, red laser light only penetrates about one to two millimeters (far less than 1/8 inch) into the human body.
Granted, red laser is highly useful for treating superficial wounds, cuts, abrasions, and perhaps even for the treatment of vitiligo, but they will not penetrate far enough for deep seated pain reduction. However, infrared lasers (around 800 nanometers) penetrate far deeper and able to go several centimeters, into your body which will reach most tissue injuries.
Power is also another crucial factor when it comes to laser therapy. Power is measured in watts, and you can think of it as the brightness of the light. A higher-powered laser is a brighter light, and it can produce more energy per unit of time. When it comes to doing laser therapy treatment, a higher-powered laser (Class 4) provides two benefits:
1.A therapeutic dose of laser light can be applied to a much larger volume of tissue:
2.By shining that brighter light at the surface, photons of light are able to penetrate deeper into the tissues, which allows you to treat deep-seated pain conditions
Additional information :
Lasers are classified according to their power output:
1.Class 3a—maximum of 5 milliwatts of power (standard laser pointer)
2.Class 3b—maximum of 500 milliwatts/0.5 watts
3.Class 4—anything over 500 milliwatts/0.5 watts
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