Class 4 Equine Laser - Diowave Laser
What is the difference between Class 3 and Class 4 laser therapy?
Class 3 and Class 4 laser therapy refer to different levels of laser classifications based on their power output and potential risks. Here's a breakdown of the key differences between the two:
Power Output:
Class 3 lasers typically have lower power outputs, generally ranging from around 1 milliwatt (mW) to 500 milliwatts (mW).
Class 4 lasers, on the other hand, have higher power outputs exceeding 500 milliwatts (mW). They can range from several watts to tens of watts or even higher.
Treatment Intensity:
Class 3 lasers are often used for low-level laser therapy (LLLT) or cold laser therapy. They deliver lower energy levels and are primarily used for non-invasive treatments targeting superficial tissues. Class 3 lasers are commonly used for pain relief, inflammation reduction, wound healing, and tissue repair.
Class 4 lasers deliver higher energy levels, allowing for deeper tissue penetration and more intense treatments. They are suitable for a broader range of conditions including deep tissue injuries, musculoskeletal disorders, and more severe pain management.
Treatment Depth:
Class 3 lasers are generally effective for superficial treatments due to their limited penetration depth. They can reach tissues close to the skin surface.
Class 4 lasers can penetrate deeper into the body due to their higher power, reaching muscles, joints, and deeper tissues. This allows for more comprehensive treatment of deeper-seated conditions.
Treatment Duration:
Class 3 laser therapy sessions may require longer treatment durations due to the lower energy output. Multiple sessions over several weeks may be needed to achieve optimal results.
Class 4 laser therapy sessions may be shorter due to the higher power output and deeper tissue penetration. Depending on the condition being treated, fewer sessions may be required to achieve desired outcomes.
Regulatory Considerations:
Due to the higher power levels and associated risks, Class 4 lasers are subject to stricter regulatory controls and safety measures compared to Class 3 lasers. This includes requirements for operator training, safety precautions, and controlled environments.
In summary, while both Class 3 and Class 4 laser therapy involve the therapeutic use of lasers, they differ in terms of power output, treatment intensity, depth of penetration, treatment duration, and regulatory considerations. Class 3 lasers are typically used for superficial treatments, while Class 4 lasers are suitable for deeper tissue treatments and conditions requiring higher energy levels.










