Regarding the efficacy of physical therapy for pain relief and wound healing, we know that many products on the market using different technologies offer similar effects, such as LED therapy devices, shockwave therapy instruments, acupuncture therapy devices, and semiconductor laser therapy devices. Today, we will mainly introduce the differences between LED phototherapy and laser phototherapy in terms of principles, effects, and technologies, hoping to help you choose the right device for you.
Below, we will analyze the working principles, penetration depth, and application effects of LED phototherapy and laser phototherapy one by one.
First, the principle of LED phototherapy is: using light-emitting diodes to emit incoherent, broadband ordinary light, mainly working through light modulation. We know that LEDs can emit light of various wavelengths (such as red light, blue light, and near-infrared light; different lights have different therapeutic effects) which are absorbed by the mitochondria in skin cells. This light has low energy, a large divergence angle, and a wide coverage area, making it suitable for mild cases and large areas of superficial epidermal treatment.
We know that mitochondria are the “energy factories” of cells. A key molecule in mitochondria—cytochrome C oxidase—promotes the synthesis of adenosine triphosphate (ATP) after absorbing light energy, thereby increasing cellular energy. This triggers a series of beneficial biological effects, such as promoting cell metabolism and proliferation; accelerating blood circulation; relieving and reducing inflammatory symptoms; and stimulating the production of collagen and elastin.
Simply put, LED light is like a gentle light and rain, capable of nourishing the surface tissues of the skin over a large area, “recharging” cells, and mobilizing the cells’ own repair capabilities. Therefore, it is suitable for large-area treatments and cases where the wound or pain is not severe, typically for personal and home use. Because of its low energy, it can be widely operated and used.
Below, we will explore the principles of 810nm and 980nm semiconductor laser therapy: it utilizes stimulated emission amplification technology to generate coherent, monochromatic, high-energy-density light. This results in a highly concentrated laser beam with almost no divergence, allowing for more effective energy concentration on specific treatment areas and enhanced efficacy. Besides possessing a light modulation effect similar to LEDs, the key to lasers (especially high-intensity lasers) lies in their photochemical and photothermal effects.
Compared to LEDs with similar mechanisms of action, laser therapy, due to its coherence, has more concentrated energy, theoretically enabling more precise and effective stimulation of deeper targets. This makes it suitable for rapid postoperative wound healing and pain relief, thus accelerating recovery. Furthermore, the deep penetration of 810nm and 980nm lasers makes them more suitable for deep treatment and addressing inflammation and recovery at its root.
High-intensity lasers: 810nm and 980nm semiconductor diode laser therapy produce significant thermal effects for treating deep tissues. This microthermal effect can relax muscles, relieve pain, and increase tissue elasticity. Because laser energy can penetrate at least 3-5 cm under the skin, and the higher the energy, the stronger the penetration, it is often used in physical therapy to treat deep inflammation and pain. This makes precise treatment of deep inflammation and promotes wound healing, thereby reducing pain and discomfort caused by deep wounds and accelerating recovery.
In simple terms, a laser is like a “precision optical scalpel” or a “deep massager.” It concentrates energy to penetrate deeper tissues, achieving more precise and effective treatment. Therefore, it’s increasingly popular in patented physiotherapy clinics and specialized hospitals.
Furthermore, due to its operating principle, this device is very convenient and easy to use. Simply aim the treatment handpiece at the treatment area and step on the foot pedal. Treatment time varies depending on the area treated. Large areas, such as the back, require at least 30-45 minutes. Small areas, such as the arms and thighs, may only require about 20 minutes. The amazing thing about this 810-980 nm wavelength semiconductor laser therapy device is that residual heat can still be felt in the treated area for up to 30 minutes after treatment.
It can provide deep treatment, eliminating deeper inflammation and thus relieving symptoms and pain. We know that most diseases, pain, and swelling are caused by inflammation.
In addition, it can provide rapid relief for physical injuries, such as sports injuries and sprains, relaxing muscle tissue and reducing swelling.
Our customer base is vast, including professional clinics, hospital inpatient wards and cosmetic surgery departments, beauty salons, and even individuals purchasing our products for family members to alleviate the long-term pain caused by chronic diseases. All of these customers praise the effectiveness of our 810nm/980nm diode laser therapy device and recommend it to their friends and colleagues.
810nm and 980nm are commonly used wavelengths in laser therapy and pain relief, and are also suitable for the rehabilitation of various wounds and surgeries.
810nm 980nm diode laser Class IV laser physiotherapy equipment is powered by a 30.0 Watt GaAlAs Diode Laser/60W, one of the most powerful available, emitting a continuous wave at 980nm/810nm (near infra-red wavelength) for maximum bio-stimulation. This is a powerful, non-addictive, and side-effect-free form of pain management that decreases inflammation and scar tissue formation. These therapeutic qualities enable laser therapy to accelerate wound healing and reduce injury recovery time.
The 810-980 nm wavelength semiconductor laser therapy device is suitable for both human and animal treatments, greatly promoting pain relief, accelerated postoperative wound healing, and the treatment of fractures, sprains, and sports injuries.
We also know about the 980-1470 nm wavelength semiconductor lipolysis laser machine. Many hospitals purchase both functions simultaneously. The 980-1470 nm laser lipolysis device is minimally invasive, leaving a very small incision after treatment, and there may be slight swelling due to the fiber optic treatment. Therefore, many doctors use the 810-980 nm semiconductor laser therapy device after surgery to relieve wound pain, accelerate wound healing, and quickly reduce swelling.
Therefore, compared to LED, 810nm 980nm diode laser therapy has the following advantages:
* Stronger penetration: It can precisely target deep tissues such as muscles, ligaments, nerves, and bones.
* Greater efficacy: The energy is more concentrated, and the photobiomodulation effect is more significant, especially in analgesia and anti-inflammation.
* Precise treatment: It can target specific acupoints or pain points.
* Faster results: It is generally more effective than LED in pain management and the treatment of deep inflammation.
* Pain management: Cervical spondylosis, lumbar disc herniation, arthritis, tendinitis, myofascial pain syndrome, etc.
* Sports medicine: Muscle strains, ligament injuries, sprains, fatigue relief, and accelerated recovery.
* Neuropathic pain: Trigeminal neuralgia, postherpetic neuralgia, etc.
* Deep inflammation: Bursitis, tenosynovitis, etc.
* Wound healing: Promotes wound healing, especially effective in repairing deep tissues.
These and many other advantages make it suitable for all clinics, beauty salons, hospitals, and individuals or families. This product is safe and easy to operate; we will provide face-to-face video training.
Here is the more detailed information for our 980nm 810nm diode laser machine introduction:
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