Table 1.
(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 |