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PILOT™ THERAPY LASER TREATMENT SETTINGS

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POWER DENSITY/CLASS II, CLASS III, & CLASS IV LASERS

Class 2, Class 3, & Class 4 LasersClass 2 lasers are low power lasers in the visible range (400 - 700 nm wavelength) that may be viewed directly under carefully controlled exposure conditions. Because of the normal human aversion responses, these lasers do not normally present a hazard, but may present some potential for hazard if viewed directly for long periods of time. A continuous wave laser above Class 1, but not exceeding 1 mW radiant power is an example of a Class 2 laser.

Class 3 lasers are potentially hazardous under some direct and specular re�ection viewing condition if the eye is appropriately focused and stable, but the probability of an actual injury is small. This laser will not pose either a �re hazard or di�use-re�ection hazard; it may present a hazard if viewed using collecting optics. Visible CW lasers above 1 mW, but not exceeding 5 mW radiant power are examples of this class.

Class 3B lasers are lasers that can produce a hazard if viewed directly. This includes intra-beam viewing or specular re�ections. Except for the higher power Class 3b lasers, this class laser will not produce di�use re�ections. Visible lasers above 5 mW, but not exceeding 500 mW radiant power, are examples of this class.

Class 4-High Power Lasers denote a high power laser that can produce a hazard not only from direct or specular re�ections, but also from a di�use re�ection; in addition, these lasers may produce �re and skin hazards. Class 4 lasers include all lasers in excess of Class 3 limitations.

How to determine accurate power density settings for Laser TherapyWhat is the most accurate method of determining the correct amount of Joules (energy x time) to use when applying deep-tissue laser therapy with the Class IV Pilot™ Laser? The FDA has yet to establish parameters for the Class IV laser, but using common sense one can establish simple guidelines to use when applying deep-tissue laser therapy or wound-care treatment with the Class IV laser.

If the energy density is too low, the laser will not bio-stimulate tissue, but if it is too high it will inhibit healing or even burn the patient. Consider the following analogy: If you spread a gallon of water over a dry, grassy area the size of a football �eld, you would have very few blades of green grass; conversely, if you dumped that entire gallon onto a very small spot, you would have a muddy mess. The key to watering grass is getting the right amount of water per unit area, just as the key to e�ective laser therapy is delivering the proper amount of laser energy per unit area.

To calculate the energy density, simply divide the energy in joules by the area in square centimeters to be treated. The typical treatment area is about 100 cm2, or about the size of a man's palm. A generally accepted standard is: energy density of AT LEAST 12-20 J/cm2 OR MORE for WOUND CARE, and AT LEAST 35-50 J/cm2 OR MORE for deep-muscle or spinal disk treatment. To know how long to treat your patient, simply calculate on the above chart how long you need to treat the patient according to the output power of the laser, then divide the number by treatment area, or 100. This will serve as a basic guideline when determining the correct amount of J/cm2 to apply. The e�ectiveness of the laser treatment is generally determined by how the patient reacts to therapy and how quickly they feel better.

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Power = Energy/Time • Energy = Power x Time • Density = Energy/Area

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JOULESLASER ENERGY DOSAGE CHART

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