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4 pillars of successful high power laser therapy

Laser therapy is a popular and effective treatment for musculoskeletal disorders, but not all laser therapies are created equal. To achieve lasting and effective results, it’s crucial to understand the four key factors that define successful laser therapy. In this article, we will explore these essential pillars and provide insights into what you should look for in a laser therapy treatment.

number one

CORRECT WAVELENGTH FOR BEST TRANSMITTANCE

To treat musculoskeletal conditions, the wavelength must be able to pass through the skin barrier and transmit the highest energy to subcutaneous tissues. The best wavelength is therefore the one least absorbed by unwanted molecules present in the skin, such as melanin, water and blood.

 

laser absorbtion graph

 

number two

HIGH POWER FOR DEEP ENERGY DELIVERY

90% of laser energy is typically absorbed within the first 10 mm of tissue1. As musculoskeletal pathologies lie beneath the skin, a high peak power is required to deliver therapeutically efficient energy to subcutaneous tissues.

 

laser high peak power graph

 

number three

SUPERPULSED EMISSION FOR THERMAL PROTECTION

Pulse durations over 200ns lead to thermal increase in treated tissues2, which may turn into unwanted irreversible protein damage. Real superpulsed emission is characterized by high energy short pulses emitted at an interval allowing thermal relaxation. It enables high energy transfer without thermal increase.

number four

UNIFORM BEAM FOR OPTIMIZED DISTRIBUTION

A laser beam must be uniform to allow homogeneous distribution of the energy to the treated tissues and keep them safe from thermal damage. Top-hat distribution profile is ideal to ensure correct dosing of the energy1.

 

laser beam distribution graph

 

References

1. Kaub Et Al., Biomedicines. 2022, 10, 3204.
2. Moriyama Et Al., Laser Surg Med. 2009; 41(3):227-31

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