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. 2019 May 31;44:209–224. doi: 10.1016/j.ebiom.2019.05.034

Table 1.

Organ-specific SAR with the device on the thigh or away from the body.

(a)
Organ-specific SAR
Device on thigh (case 1)
Device away (case 3)
mW/kg/W Mean PS-10 g PS-1 g Mean PS-10 g PS-1 g
Whole body 13.5 2583 6900 13.4 3399 9110
Brain grey matter 2.2 10.1 15.7 2.5 14.2 22.1
Brain white matter 1 3 4.6 1 3.5 6.3
Midbrain 3.7 3.9 5.4 3.9 4.2 5.9
Heart 7.7 13.7 15.8 4.9 8.1 9.3
Liver 8.4 16 29.2 4.2 7.5 14.7
Lung 13.9 59.7 92.1 11.2 63.7 99.6






(b) Simulation power budget for a homogeneous human model, nominal input power 1 W
Body/device positions 1 2 3 4
Mean SAR (mW/kg/W) 13.4 13.4 13.2 10.1
Std. deviation (mW/kg/W) 44.6 57.4 50.2 61.6
Conductivity loss (W) 0.978 0.977 0.967 0.723
Radiated power (W) 0.003 0.003 0.012 0.262
Total power (W) 0.98 0.98 0.98 0.99






(c) Simulation power budget for rectangular tank phantom, nominal input power 1 W
Case 1 Case 2 Case 3 Case 4
Mean SAR (mW/kg/W) 74.5 75.4 72.6 60.5
Std. deviation (mW/kg/W) 90.3 148.8 129.2 120.8
Conductivity loss (W) 0.993 0.99 0.987 0.807
Radiated power (W) 0.001 0.001 0.004 0.185
Total power (W) 0.99 0.99 0.99 0.99






(d) Variation assessment during the use of the TheraBionic device
Contributions Unc (dB) Distr Div Std. Unc (dB)
Posture 0.11 R 1.73 0.06
Weight deviation (±10 kg) 0.66 R 1.73 0.39
Applicator spoon matching 3.3 R 1.73 2.19
Combined standard variation (k = 1) 2.21