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a Low Level Laser Therapy Information Pack
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is Laser Therapy?
therapy aims to biostimulate the cells in the body. Because of
the low power nature of low level lasers, the effects are biochemical
and not thermal and do not cause heating and there is no damage to
living tissue. Three distinct effects are known to occur when using low
level laser therapy:
Growth factor response within cells and tissue as a result of increased
ATP and protein synthesis; Improved cell proliferation; Change in cell
membrane permeability to calcium up-take.
B) Pain relief as a result of increased endorphin release; Increased
serotonin; Suppression of nociceptor action.
C) Strengthening the immune system response via increasing levels of
lymphocyte activity and through a newly researched mechanism termed
photomodulation of blood.
Parameters for Use of Laser
parameters are important for clinicians to achieve the best
possible therapeutic effects when using laser devices:
Selection of the correct beneficial Wavelength
B) The use of the correct Power levels
C) The consistent application of the necessary amount of Energy
measured in Joules. Another factor which has to be considered in laser
therapy is Pulsing Frequency.
Wavelength is measured in nanometers.
It is set in the probe and
cannot be changed
The 3B laser therapy devices
are produced with wavelengths between 600 and 1000nm
Red Light Laser Probes with Wavelengths between 620 and 675nm.
(Invisible) Laser Probes with
Wavelengths between 780 and 950nm.
- Readily absorbed by the
mitochondria and therefore potentially stimulatory
- Excellent source of stimulation
of a range of growth factors
- Red Light therapy does
not penetrate very effectively below the skin surface
and into the tissue below
- Red light therapy is the best
for wound healing or superficial conditions but is not the most
effective way to treat deeper injury
- Absorbed through the cell walls
(acting differently between cells) and therefore cell response is more
wavelength specific in the infrared range, responding differently to
- More penetrative through the
tissue, especially the 785-830nm range, therefore this range is
selected for treatment through intact skin and pain relief
- Cluster probes with a range of
wavelengths offer the best of both worlds to a clinician
How to Calculate the Necessary
Energy for Laser Therapy
(watts or milliwatts) is the strength of the probe and is set at
the factory by Omega. Clinicians need to know the power of the probe
they are choosing to use and also have the probes regularly checked to
ensure that they are running to full power. This check can be quite
simply carried out by a special measuring device in the Omega
The simple formulae as outlined above shows the calculation necessary
to establish the amount of energy which we as clinicians are providing
in each treatment. The relationship is Energy (as measured in Joules) =
Power x Time. Omega provides detailed literature on the most commonly
To create a response in the growth factor cells or to provide pain
relief it is necessary to make sure that we are delivering sufficient
Simply, to increase the energy being delivered by the probe you
increase the time of treatment.
Low level laser
therapy Pulsing Rate
rate equals the number of times per second light is emitted.
Research has demonstrated there are pulsing rate specific effects with
low level laser therapy. Concise details of optimal pulsing frequencies
and energy density requirements are supplied with our laser therapy
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