The Best Cold Lasers For Cold Laser Therapy
At ColdLasers.Org, we sell a wide range of cold lasers (class 1 to class 4) so we can help you understand all your cold laser options and we can help clarify the advantages and disadvantages of different products and different types of therapy. We sell TerraQuant, Avant , Apollo, Laserex, DioWave and Thor cold lasers but we know every major lasers out there and we can help you learn more about all your options, the technology and the best applications for each device. We can help you find a quality laser to meet your budget requirements. We sell to doctors and consumers so feel free to call us at 1-800-388-0850 or use the chat option to get help or ask a question.
Over the years, we have tried to summarize a lot of information about different cold laser technologies and styles of cold laser therapy. The FDA cleared applications for cold lasers (sometimes called low level lasers) are pain control and inflammation reduction. Some manufacturers have extended these claims to include include increased blood circulation and accelerated healing. The National Institute of Health has published a report with positive efficacy of LLLT for Neurorehabilitation and there are thousands of positive studies using cold laser for a variety of applications. But, as far as selling a product, every sales claim must be traced back to the 2 main applications. Because low level lasers allow users to safely control and focus the energy from the laser to deep inside the body, they are constantly being used in new healing applications.
At ColdLasers.Org we present information and specifications of different professional grade lasers (including Terraquant, Thor, Avant, Laserex, Apollo, DioWave, Erchonia, VetroLaser, K-Laser, LiteCure and Microlight). All the products have a good reputation with professionals and practitioners. ColdLasers.Org does not promote products that have extraordinary claims that are not based on traditional photobiomodulation. This includes consumer products marketed based on scalar waves/ quantum-waves and soliton waves. These are good products that don't really need to add mystical claims to sell a scientifically proven modality and we wish they would just stick to the facts. There are also some people selling very questionable products.
Comparing cold lasers can be a challenge since every manufacturer will tell you that their product is the only true solution. Since we sell the widest variety of products, we can help you get through all the "our way is the best way" marketing and find the best product for your application.
Unlike high-power medical lasers, which are widely used to cut and burn tissue, Low Level Lasers (LLLs) or cold lasers penetrates the surface of the skin with little heating effect and no potential tissue damage. The energy is directed into a treatment area stimulating the body's cells which convert the light energy into chemical energy to promote natural healing.
Studies have shown that when tissue cultures are exposed to laser energy, enzymes within the cells absorb energy from the laser light. Visible (red) light and Near Infrared (NIR) are absorbed within the mitochondria and the cell membrane. This produces higher ATP levels and boosts DNA production, leading to an increase in cellular health and energy. When applied as treatment, lasers have been shown to reduce pain and inflammation as well as stimulate nerve regeneration, muscle relaxation and immune system response. Lasers have no effect on normal tissues, as photons of light are only absorbed. - DioWave Sales Literature
In most cases, cold laser therapy is considered an alternative therapy like acupuncture, message therapy, chiropractic, herbal medicine, message, and physical therapy because it does not require expensive surgeries or a life-long prescription for drugs. Cold lasers use light energy to help the body heal itself. Practitioners have supported treatment options like Ultrasound And Tens for years and now there is a lot of interest in cold lasers as a healing option. LLLs have provided relief for many patients over the years and they work best when used in combination with many other modalities like message therapy, acupuncture, chiropractic and physical therapy. In fact, we recommend that you should always follow a cold laser treatment with a moderate message and a glass of water to get the most benefit.
Currently, there are over 25 different cold lasers or LLLs that have been cleared by the FDA for various types of treatments. Cold lasers have been in use around the world for over 30 years and have been in use in the US since 2001 when Microlight got the first FDA clearance. Low level laser therapy or soft laser therapy has been proven completely safe in over 3000 worldwide studies.
The power level of therapeutic cold lasers ranges from 10 milliwatts to 60,000 milliwatts. This energy can be created using one laser beam or an array of laser beams. In less expensive devices, it is generated using LEDs. For treating damaged tissue, bone and cartilage, an array of laser beams allows a wider treatment area. Since finding the optimum treatment spot deep inside the tissue is somewhat of an "educated guess", it can be very useful to cover a larger area with an array. This increases the probability of getting the photons to the problem area and larger arrays also also help increase the energy in the area surrounding the main target area. Emitters that use a combination of different wavelength source also have a better chance of treating tissue at different depths.
The average cold laser therapy session cost from $30 to $60. The average cold laser costs from $2000 - $15,000 so the return on investment (ROI) on purchasing a cold laser can be as little as 4 months.
Because cold lasers help activate the human and animal tissue, cold lasers can be used for:
- Cervical (neck pain) healing
- Lumbar (low back pain) healing
- Wrist pain and injuries (Carpal Tunnel)
- Elbow and joint pain and injuries
- Lower extremities pain
- Foot and ankle pain
- Joint pain and Knee injuries
- Accelerating recovery after surgery
Some products have also been FDA cleared for smoking cessation like the Thor systems.
There are 2 basic styles for treatment using cold lasers, pinpoint treatments (laserpuncture) and broad therapy. Each treatment style has a different goal and different equipment requirements.
Laser Trigger Point Therapy
In a laser trigger point therapy, the cold laser is used similar to acupuncture or acupressure to trigger a reaction from the body by stimulating an acupoint. In this case, a probe set or focused low level laser is used to concentrate all the energy from the cold laser into a very small area. Cold lasers are often compared to "acupuncture with a laser beams". In LLL laser puncture treatments, the laser beam is use to trigger the body's acupoints without the fear or pain of needles. The energy from the laser may penetrate as deep as 5 inches into the body based on the setup of the laser.
Broad Treatment Therapy
In many cases, a practitioner may not be targeting a trigger point, they will choose to use a cold laser to energize a larger area of the body. In this case, a cold laser with a broad focus (larger than the size of a dime) and the correct wavelength are used to penetrate the deep tissue with photons to accelerate natural healing in a large area or to provide localized pain control. These large emitters can cover areas up to 4.6 inches. The larger treatment area increase the chances of stimulating the "hot spots" that needs healing the most. Larger emitters also can reduce the treatment time.
Cold Laser Comparisons
There are several key factor to evaluate when choosing a cold laser. These include:
- Wavelength- The wavelength controls the depth of the penetration of the laser photons. Lower wavelengths (600nm range ) are absorbed more quickly in the skin so they are targeting a different goal than longer wavelengths (800 to 980nm) which have better penetration.
- Power - Since the power of a laser usually remains constant during a treatment, the energy of the light is equal to the power in watts multiplied by the time in seconds during which the light is emitted. For a continuous laser, this is simply watts times treatment duration. For a pulsed laser, the calculation is watts x duty cycle x treatment time. A laser with more power (measured in watts) or a higher duty cycle can deliver the more energy (measured in joules) in less time. Joules are the best way to compare pulsed and non-pulsed laser for their ability to direct energy into the deep tissue and initiate healing. The class of the laser is largely controlled by the power level from each output beam because they are somewhat proportional to the potential for damage.
- Pulsing Versus Continuous - Everyone in the industry seems to agree that continuous wave (CW) lasers are best for pain control. The majority of the market feels that pulsing the laser is best for promoting healing. Pulsing the laser also allows for higher power levels while still being safe. Higher-end systems off both continuous wave and pulsed wave output.
- Coverage Area - The larger the coverage area, the faster and more thorough the treatment. A larger emitter will is more likely to hit a trigger spot or damaged area and since many treatments require moving the probe around a damaged area, a larger emitter will significantly reduce the therapy time.
- Treatment Time - Treatment times range from 7 seconds to 40 minutes. Most therapies require 1 to 4 treatment locations per damaged area. For those with 2 bad knees or wide spread arthritis, the total treatment time can really add up. For home use, treatment times are typically not an issue since user can often perform their therapy while relaxing or watching TV. In a doctors office, treatment time can be the biggest issue with cold lasers.
- Protocols & Guidelines- A complete protocol (treatment plan) library is key for new cold lasers owners to get the optimum energy into the treatment area without guesswork. Some manufacturers have created "cookbook" style protocol manuals or internal libraries. Others give general guidelines and allow professionals to develop their own optimum treatment plans based on experience. This is a simple task for hands on practitioners like chiropractors and acupuncturist.
The goal of cold laser therapy is to deliver light energy units (in photons) to cells that need healing. Photons are absorbed by the cells, stimulating the mitochondria to accelerate production of ATP. An ATP increase in the cell helps accelerate the bodies healing process by transforming painful damaged cells into stable non-painful cells.
Other Names for Cold Lasers
There is some confusion about what to call the equipment that is described on this site. Probably the most accurate is photobiomodulation (or PBM) equipment but this name doesn't seem to stick with the average person. Some prefer to call the products low-level lasers or soft lasers. The goal of these name is to distinguish these lasers from the medical lasers that are used to cut and burn tissue. In some publications, you may see the abbreviation LLLT for Low Level Laser Therapy. Many of the cold lasers actually warm the skin during therapy so the name cold laser is not a totally accurate description either. Many low level lasers are not low level, they can go up to 60,000 mW in power. and they are not soft, most emitters are metal and hard plastic. There is really no perfect description for the wide range to therapeutic, veterinary and equine healing lasers so we will just call them cold lasers.
Professional And Home Use
Cold laser are typically sold to practitioners but in most states there are no legal limitations for the use of cold lasers in the home. Home owners can buy a class 1 or class 2 laser without any restrictions and they can purchase a class 3 with a 'health care providers" recommendation. Some class 4 lasers are can be sold to health care providers while other higher power Class 4 lasers are only sold to certain professionals. Home use systems emphasis simplicity of operation while many higher power products emphasis flexibility. Products like the DioWave are designed for highly trained professionals while products like the TQ Solo and TerraQuant Pro are great for both home and professional use.
Classes of Cold Lasers
All lasers, hot and cold, are given a classification according to the international specification; IEC 60825. The more dangerous the laser, the higher the classification. The most dangerous cold lasers are class 4 lasers (over 500mW CW per beam) and the safest are class 1. Power level is a key factor in the application of cold laser therapy to deep tissue but this does mean that higher class lasers are always better, it does typically mean that they are:
- More expensive
- Able to get the optimum biostimulation in less time
- More dangerous
Most higher power lasers use a lens to de-focused the beam (typically around 30 degrees). This creates a treatment area about the size of a dime for each laser beam. By spreading the energy over a larger area, the product becomes easier to use and safer.
Manufacturers can use multiple laser beams in an array to get to higher total power levels while still being very safe. Using this technique, it is possible to build a 15-watt class 3 laser that would produce extremely high power densities very quickly but would have no risk of tissue damage.
We can help you find a balance between power, treatment time, cost and safety.
As just discussed, products with larger treatment areas are safer AND more easy to use. To illustrate the effectiveness issue, lets look at it another way. If you have a big bruise (damaged tissue) the size of your hip and you needed to "color in" with ink, would you want to use a ball point pen or a big fat marker? When you are treating damaged tissue, you are essentially "painting" the tissue with light. In many cases, you might not even know where the exact area that needs treatment the most. By using a larger emitter, you increase the odds that you will illuminate the critical spot. With the exception of trigger point therapy, the larger the cold laser beam the better.
Pain Control versus Healing
Although there is a lot of overlap between pulsed wave and continuous wave, the general consensus is that pulsed waves are better for healing while continuous waves are better for pain control. For this reason, every patient is unique. Some may prefer immediate pain relief as the highest priority and others may prefer healing as the main goal. Since long term healing can takes weeks or months of therapy, it is best to develop a reasonable expectation at the beginning of the therapy.
Potential for Tissue Damage
There is a lot of confusion about the potential of therapeutic lasers to do tissue damage from heating. Yes, it can and does happen but much of the risk is hype generated by lower power laser manufacturers as a reason to buy their product. You do not have to ever worry about tissue damage with a class 1, 2 or 3 FDA cleared therapeutic laser. It is unclear if this true for some of the non-FDA-cleared cheap foreign built cold lasers on Ebay.
For class 4 therapeutic lasers with a power level of 30,000mW (30W) and above, a cryogenic cooling system is required to reduce the chance tissue heating and the probe must be moving at all times. These are systems that should only be used by a highly trained and insured practitioner.
Below about 5,000mW (5W), FDA cleared class 4 systems have a negligible chance of tissue damage. For example, The Apollo 5,000mW (5W) cold laser has an automatic timer that shuts off the emitter every 2 minutes. In that period of time, it barely gets warm and there is no chance of thermal damage.
Some cold laser therapies qualify for insurance reimbursement using the following Cold Lasers CPT codes. Cold laser therapy performed by a licensed chiropractor or acupuncturist can be paid for using an HSA account. The purchase of cold laser devices is not covered under typical insurance plans.
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