DOSE EXAMPLE LASER THERAPY OF THE HIP JOINT IN A LARGE BREED DOG
• Target energy density for deep tissue conditions, including arthritis = 8-10 J/cm 2 • 75 lb. dog hip area = ~250 cm 2 • 10 J/cm 2 x 250 cm 2 = 2,500 J Total dose over the hip area
Class IV 12W Class IV 6W Class IV 1W Class III 0.5W With class IV laser
With class IV laser therapy at 6W power (CW), treatment time = 6 minutes, 56 seconds
With class IV laser therapy at 1W power (CW), treatment time = 41 minutes, 40 seconds
With Class III laser therapy at 0.5W (500mW) power, treatment time = 83 minutes, 20 seconds
therapy at 12W power (CW), treatment time = 3 minutes, 28 seconds
[FAQ] CAN LOW POWERED LASERS ACHIEVE THE SAME RESULTS FOR ARTHRITIS AS HIGH-POWERED LASERS IF YOU TREAT LONG ENOUGH? We used to believe lower-power lasers could treat deep tissue conditions with longer treatment times. However, because we now understand that to have enough concentration (brightness) of light energy left in deep tissue to be effective, longer treatment times with low power do not deliver the same results. 6
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