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Treatment Time Calculation Table - Klas
Treatment time for tissue in depth is calculated by Monte Carlo Simulation method.
Energy loss is postulated to be linear at 7.5% per mm of tissue.
Energy Loss Factor = 1 x (1 - 0.075)n       n = Depth of Tissue in mm
Treatment Time (second) = Dose (J/cm3) x 1000 x Laser Beam Spot Size (cm²)
—————————————————————————
End Power (mW) x Energy Loss Factor (/cm)
Model No.: Klas-A
Laser beam spot size: 0.13 cm²
Dose
(J/cm3)
Depth of Tissue
(cm)
Energy Loss Factor Treatment Time (second)
Wavelength 660nm 780nm 808nm
Model No. Klas-A50 Klas-A61 Klas-A79 Klas-A81
LD Power (mW) 50 100 100 110
End Power (mW) 45 90 90 88
Power Density (mW/cm²) 346 692 692 677
3 J/cm² Surface 1   9 4 4 4
3 J/cm3 0.5 0.6772   13 6 6 7
1.0 0.4586   19 9 9 10
1.5 0.3105   28 14 14 14
2.0 0.2103   41 21 21 21
2.5 0.1424       30 31
3.0 0.0964       45 46
3.5 0.0653       67 68
4.0 0.0442       95 100
4.5 0.0299       152 148
5.0 0.0203         218
Model No.: Klas-D
Laser beam spot size: 0.5 cm²
Dose
(J/cm3)
Depth of Tissue
(cm)
Energy Loss Factor Treatment Time (second)
Wavelength 660nm 808nm
Model No. Klas-D50 Klas-D61 Klas-D81
LD Power (mW) 50 100 110
End Power (mW) 40 80 90
Power Density (mW/cm²) 80 160 180
1 J/cm² Surface 1   13 6 6
1 J/cm3 0.5 0.6772   18 9 8
1.0 0.4586   27 14 12
1.5 0.3105   40 20 18
2.0 0.2103   59 30 26
2.5 0.1424       39
3.0 0.0964       58
3.5 0.0653       85
4.0 0.0442       126
4.5 0.0299       186
5.0 0.0203       274
Model No.: Klas-E
Laser beam spot size: 0.13 cm²
Dose
(J/cm3)
Depth of Tissue
(cm)
Energy Loss Factor Treatment Time (second)
Wavelength 660nm 808nm
Model No. Klas-E50 Klas-E61 Klas-E81
LD Power (mW) 50 100 110
End Power (mW) 35 70 77
Power Density (mW/cm²) 269 538 592
3 J/cm² Surface 1   11 6 5
3 J/cm3 0.5 0.6772   16 8 7
1.0 0.4586   24 12 11
1.5 0.3105   36 18 16
2.0 0.2103   53 26 24
2.5 0.1424       36
3.0 0.0964       53
3.5 0.0653       78
4.0 0.0442       115
4.5 0.0299       169
5.0 0.0203       250
Model No.: Klas-S
Laser beam spot size: 3 cm²
Dose Depth of Tissue
(cm)
Energy Loss Factor Treatment Time (minute)
Wavelength 660nm 808nm
Model No. Klas-S50 Klas-S61 Klas-S81
LD Power (mW) 50 100 110
End Power (mW) 30 60 44
Power Density (mW/cm²) 10 20 15
3 J/cm² Surface 1   5 3 3
3 J/cm3 0.5 0.6772   7 4 5
1.0 0.4586   11 5 7
1.5 0.3105   16 8 11
2.0 0.2103     12 16
2.5 0.1424       24
3.0 0.0964       35
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