How to choose the right Cold Laser Therapy Device?
Sep. 01, 2025
How to choose the right Cold Laser Therapy Device?
If you want to know “how to choose the right Cold Laser Therapy Device?”, you must already know “ what is the cold laser therapy?”, “what is the advantage of cold laser therapy?” As we know, there are many different forms of Cold Laser Therapy Device in the market. In fact, some forms are not even lasers. Some Cold Laser Therapy Device uses non-coherent forms of light derived from LED, or light-emitting diodes, remember all LEDs are not lasers. We concluded the main 4 specs of laser therapy machine you should consider as below.
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The main 4 specs should consider are:
- Wavelength(measured in nanometers [nm])
- Class level (measured in milliwatts [mW] for class 3b and watts [W] for class 4 systems)
- Pulsing Options (some systems are continuous wave [CW] only, some are pulsing only, some are both)
- Laser Therapy Protocols
- Power
- Price
These variables control the quality of laser therapy (measured in Joules for power and Hz for pulsing) administered to the treatment area.
Low-Level Laser Wavelength
Wavelength is measured in nanometers (nm). The wavelengths used in rehabilitation are in the 620 – nm range. Wavelength is one of the key factors that dictate the depth of penetration.
(The penetration depth for the same power of 850nm and 670nm laser)
620-660nm
620-660nm is the shorter wavelengths of low level laser, the power level is ≤5mW, the depth of penetration of 620-695nm wavelength low level laser is up to 1 centimeter, especially the 650nm has been found to be effective in the treatment of superficial target tissues such as skin wounds, lymphatic issue, with acupoint therapy to hypertension, hyperlipidemia, hyperviscosity, rhinitis, and some other disease caused by ischemic cardiac-cerebral vascular diseases. Because much of the shorter wavelength energy can be absorbed by the blood which flows throughout the body, accelerate the blood circulation, improve the metabolism in the irradiated area.
808nm-850nm
808-850nm is the longer wavelengths low level laser, the power level commonly is high power ≥180mW, the depth of penetration is up to 5cm, especially the 808nm wavelengths are best suited to treat deeper target tissue, tendons, and ligaments. Because it produces the maximum interaction with mitochondria, speed up the metabolism of various tissue repair cells and mature, to accelerate the production of collagen fibers, deposition and cross-linking.
900nm -nm
900nm -nm is high power class 4 laser, the power is > 1W, 905nm and 980nm wavelength laser are very popular being the standard for many class 4 systems, much more of the energy can be absorbed by patients when compare with class 3b low level laser, the patients can recover faster, shorten the treatment time, what's more, the class 4 980nm laser has the excellent result for musculoskeletal disorder and neuropathic pain.
Class Level
LASER CLASSIFICATION TABLE
- Class 1 & 2& 3A lasers are very low power laser, it doesn’t have the effect of any treatment, Just don't waste your time buying anything that looks like a laser pointer.
- Class 3B laser is the Class 3 lasers are designed for practitioners but can be purchased for use on humans at home with the recommendation of a healthcare provider. They can be purchased without any restrictions for use on pets and horses. Class 3 lasers must be less than 500mW per laser diode continuous output(for example, 650nm, 808nm). Class 3b device have less chance of eye damage and no chance of tissue heating damage.
- Class 4 laser is any laser that has one or more laser beams with an output of 500mW or more( for example, 905nm, 980nm). Class 4 lasers between 1 / 2 watt and 60 watts can do damage to the eye or to tissue if improperly used. This danger is easily eliminated with training. Class 4 lasers only the professional institution can use it, for example, clinic, hospital, the practitioners should have the laser therapist certification and be trained by the company.
Pulsing Options
“Pulsing” is a familiar concept in therapeutic modalities. Both therapeutic ultrasound and short wave diathermy have pulsed mode options. Regarding the laser therapeutic, In the literature there are many examples showing that different pulse frequencies give different biological effects, It has been theorized that acute injuries should be treated with low pulse frequencies(<100 Hz), subacute injuries with higher pulse frequencies, and chronic conditions should be treated with continuous mode.
Some low level laser therapy machine is continuous wave [CW] only, some are pulsing only, some are both. For example, our 660mW Handy Laser Therapy Device is the pulsing and continuous mode, while our mW Laser Therapy Machine is the only continuous mode, so when you choose the laser therapeutic device, it depends on will you want to get the better result for the chronic conditions or the acute injuries, subacute injuries.
Laser Therapy Protocols
When you get the laser therapy device, you just want to know what is the best method to help the patient, we called it as the laser therapy protocols. The key to the laser therapy protocols is the irradiation acupoints, time and power setting, treatment times. Some laser device, like Thor Laser they supply the laser therapy protocols, but their laser machine is more than $5,000 dollars, we supply the laser therapy protocols which combine laser therapy with acupuncture point, it was concluded through thousands of clinic trails. Lasers concentrate all their power in a small point, which makes them ideal for laser acupuncture, we suggest the clients use the laser beams on the acupoint, in this way, laser light tends to penetrate easily to the meridians and travel along them, for energy-moving effects in the meridians, even at a distance from the point being treated, so the energy of laser can be absorbed by the body easily, and help the patient recover sooner.
The acupunct Electrother Res published the clinical literature on PubMed, they said “Laser treatment on acupuncture points can improve pain and wrist functionality in patients under going rehabilitation therapy after wrist bone fracture. The patients treated with laser beam exposure on acupuncture points showed 44% reduction in pain and 33% of improvement in the functional status of the wrist compared with the only laser stimulation”
Power
Many practitioners asked me” does the high power laser therapy device get the result sooner? Will it have the better result? Does class 4 laser get the better result than class 3B?” I often explain for them, please image the laser therapy as have the breakfast, if you eat too much, there is no benefit, and you will feel bloated, eat less, you will feel hungry, only the right amount is the best, for laser therapy, we call the suitable Energy (Joules), the Energy (Joules) Energy is the power multiplied by the treatment time. It is measured in Joules (J)
1 Watt = 1 Joule/second
Energy = power x treatment time (sec)
Joules (J) = Watts x Sec
Example: you are using our 660mW handheld cold laser therapy device and you treat for 1 min (60 sec). what is the total energy (J) delivered)?
Answer : 660mW=0.66W, Joules(J): 0.66Wx60=39.6J
In a sense, when you use the higher power laser therapy device, it can decrease your treatment time, Conversely, when you use lower powered laser devices it will take longer to deliver a given amount of energy to the patient.
For more Semiconductor Neck Laser Instrumentinformation, please contact us. We will provide professional answers.
The other variable is what we call the “ dosing”, It represents the actual amount of energy delivered to each cm2 of the treatment area.
Energy Density = (Power output x treatment time) ÷ beam area (spot size) J/cm2 = ( W x sec ) ÷ cm2
GENERAL TREATMENT PROTOCOLS AT A GLANCE
Gallo JA, Wijting Y. Low Level Laser Therapy: Clinical Mentoring Series. Gulf Breeze:FL: CIAO Publishing;.
Note: As we said before, use wavelengths in the visible range (600-700 nm) for superficial lesions, in the infrared range (700- nm) for deeper lesions.
Price
As more and more practitioners, patients know the benefit of low level laser therapy(LLLT), the number of LLLT pain relief devices available on the market has grown. After you know of the Wavelength, Class level, Pulsing Options, Laser Therapy Protocols, Power, the next important factors which determine your choice will be Price.
We take much time to make the comparison table of the LLLT device on the market, for your reference as below:
Conclusion
Low-level laser therapy is an excellent addition to the rehabilitation professional’s therapeutic intervention “toolbox”. When combined with sound examination and treatment skills, LLLT has powerful physiologic effects that can accelerate tissue healing, and modulate pain.
HOT SALE LASER THERAPY DEVICE
Class IV 980nm 60W Laser mW Laser for Clinic or Home use
Related Article
Low Level Laser Therapy: Everything You Should Know - Kineon
Do you suffer from persistent joint pain or muscle strain in your body? Well, low level laser therapy is a form of treatment that promotes healing to injuries and areas of strain across the body. It’s also sometimes used to treat hair loss and other less common health issues.
When you hear the phrase “laser”, the first thing that comes to mind might be a Star Wars lightsaber or a laser-secured hallway from Mission Impossible. But, lasers have come a long way since they were invented in and are surprisingly common.
From scanning your groceries at the checkout to kicking back to watch an old DVD at home, many of us use the power of lasers every day without even knowing it.
In low level light therapy specifically, the energy in specific wavelengths of light is used (on a much smaller scale) to target pain at its source. It’s even possible to access this therapy from the comfort of your own home, with lightweight devices easy to source online and get delivered straight to your door.
Read on to discover the relationship between your smoothie blender and an at-home red light therapy device…
Benefits of Low-Level Light Therapy
With many benefits under its belt, low level light therapy has gained recognition worldwide for its vast advantages. From treating swelling, accelerating the healing process, and enhancing tissue repair, low level light therapy is a great choice for those looking for a non-invasive alternative to manage or treat pain.
As an added plus, studies with randomized controlled trials have shown statistically significant hair regrowth by terminal hair count in both males and females under the use of LLLT.
Inflammation
When the light therapy is directed onto the skin, the mitochondria (the energy powerhouse within our cells!) absorbs this and produces adenosine triphosphate (ATP). This is a major factor in cellular function and repair. The production of ATP leads to a more efficient cellular response, promoting the reduction in inflammation.
Proteins like cytokines are also boosted. LLLT has been shown to decrease the production of pro-inflammatory cytokines, while regulating the swelling process.
Tissue Repair and Growth
Going back to the increase of ATP, this provides the energy needed for tissue repair and growth so it accelerates the usual process.
New blood vessels can also be formed which is crucial for supplying nutrients and oxygen to the tissues undergoing repair. These factors all play a part in the renewal and growth of tissue.
Vascular Health
LLLT works wonders for enhancing nitric oxide which is a vasodilator, meaning it relaxes blood vessels. While this sounds strange, it actually contributes to increased blood flow and an improved vascular function.
When blood flow is able to move quicker, it aids the delivery of oxygen and vital nutrients to the tissues whilst removing waste products.
Faster Wound Healing with Infrared Light
Infrared light is able to penetrate deep into tissues and has been shown to speed healing of wounds - particularly those that were starved for oxygen.
NASA actually stumbled upon this benefit while on a separate mission. They then found themselves in the center of the medical light therapy world as they shone a light on the incredible wound healing abilities.
They found that when astronauts were exposed to certain light wavelengths, their wounds would heal at an accelerated pace. With intrigued scientists looking on, this initial observation was turned into extensive investigations into the therapeutic effects of light on the body’s regenerative processes.
NASA researchers uncovered that red and near-infrared light wavelengths could penetrate deep into the skin and stimulate cellular activity. These wavelengths stimulated the production of ATP, promoting tissue repair and regeneration.
The application of light therapy in space missions addressed the unique challenges of healing wounds in low-gravity environments and presented the vast potential of light as a wildly effective tool.
At-Home Treatment With Kineon
Here at Kineon we’ve made light therapy accessible through adapting technology for use at home.With the MOVE+ Pro, you get three infrared light-emitting modules, which can be used together or in isolation to best target your pain.
The inclusion of the adjustable strap allows you to be as hands-on as you choose - either specifically controlling the target point of each module at a time or strapping them round a particular point of difficulty to tackle the cells from multiple angles in one sitting.
For the same price of roughly two in-clinic cold laser therapy sessions, you could have your own hand-held therapy device available for use whenever and however suits you best!
Don’t just take our word for it. Hear directly from health and fitness author Teaganne Finn on how it changed their life:
“I won’t lie that I was skeptical prior to giving the MOVE+ Pro a try …
“However, after a month of using the device I really saw a big relief in my pain …
“After a month of using the MOVE+ Pro every evening for 15 minutes I could feel the difference in my pain level. I was no longer straining on the stairs because of the pain in my knee and when I would squat or kneel down I didn’t have to do it so gingerly anymore …
“The pain is still there throughout my day-to-day life, however without the MOVE+ I am almost 100 percent certain it’d be much worse.”
There’s more where that came from too. We’re trusted by top health experts and professional athletes and have the ratings to prove it, check out some further reviews here.
Or if you’re ready to dive right into pain management with a portable, wireless and hands-free device, purchase the MOVE+ Pro today.
For more articles on cold laser therapy, read:
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