Cold laser therapy is a relatively new technology (about 30 years old) when compared to many alternative therapies like acupuncture (which has been used since 8000-3500 B.C.), chiropractic (since 1895), and physical therapy. Just like the abacus evolved into the computer, many alternative medicine practices are evolving to include laser therapy.
Recent innovations in low-level lasers now make it possible for practitioners or consumers to own high quality cold laser equipment. The first cold laser was FDA cleared in 2001. Cold lasers are sometimes called Low Level Lasers (LLL) or soft lasers.
In general, cold lasers can be used in 2 distinct ways:
Cold laser therapy offers a non-intrusive option to acupuncture and surgery. It also provides a non-addicting treatment that eliminates the complications of long-term drug treatment programs. Cold lasers are FDA cleared and widely used for treatment of:
The cold laser produces an impulse of light at a specific wavelength (usually 600 to 980nm) that minimizes reflection and scattering but maximizes absorption of the the energy (in photons) at a desired depth.
Some conditions like joint pain require a deep penetration (4-5 inches) that can only be achieved using a powerful laser emitter. Many systems also have other lower wavelengths and lower power emitters for treating shallow tissue (like the lymphatic system or surface scars). For shallow treatments, light emitting diodes (or LEDs) with a shorter wavelength (600 to 700nm) are more cost effective for adding photons to the shallower tissue. In addition, red light diodes with a wavelength of 630 to 680 nm may be used to add energy to even shallower levels of tissues.
It is the general consensus that wavelengths below 660 nanometers are very easily absorbed in the surface tissue and are not optimized for deep tissue healing. Erchonia is the only company that has product that only operates in the 600 -700 nm wavelengths. Products like the Avant operate in both the lower and upper wavelengths.
The goal of laser therapy is to deliver light energy units from red and infrared laser radiation–called photons– to damaged cells. It is the consensus of experts is that photons absorbed by the cells through laser therapy stimulate the mitochondria to accelerate production of ATP. This biochemical increase in cell energy is used to transform live cells from a state of illness to a stable, healthy state.
Over 4,000 studies have been conducted in recent years to validate the effectiveness of cold laser therapy. Cold laser treatment systems may be cleared by the FDA.
Increased Cell Growth: Laser photons accelerate cellular reproduction and growth
Increased Metabolic Activity: Photons initiate higher outputs of specific enzymes, greater oxygen and food particle loads for blood cells, and thus greater production of the basic food source for cells, Adenosine Tri-Phosphate (ATP)
Faster Wound Healing: Cold laser photons stimulate fibroblast development and accelerate collagen synthesis in damaged tissue
Anti-Inflammatory Action: Laser photons reduce swelling caused by bruising or inflammation of joints resulting in enhanced joint mobility
Increased Vascular Activity: Laser photons induce temporary vasodilation that increases blood flow to effected areas
Reduced Fibrous Tissue Formation:Laser photons reduce the formation of scar tissue following tissue damage from cuts, scratches, burns, or post surgery
Stimulated Nerve Function: Laser photon exposure speeds the process of nerve cell reconnection to bring the numb areas back to life
Pain Reduction: Almost all systems have a mode of operation specifically designed to reduce pain
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Today, lasers are used extensively in the traditional medical industry for everything from cosmetic surgery, eye surgery, and heart surgery. The ability to put just the right amount of energy into a critical area of the human body has been a huge advancement in the medical field. Cold lasers are an important addition to these other established medical laser treatments, and the recent development of low-cost professional cold lasers means that cold laser therapy will be a rapidly growing medical treatment option.