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125 kV 2.2190 7.9230 0.5386

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NCRP 147 150 kV 1.7570 5.1770 0.3156

Code A B C D E F G H I J K L M N

Locatie

Controle kamer CT Verbedden Kleedcel Kleedcel Toilet PET-CT MRI Toilet Gang Berging Kantoren Kelder Kelder Patio

0.009 0.016 0.032 0.032 0.005 0.039 0.028 0.015 0.011 0.009 0.020 0.050 0.041 0.050

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y 3.00 2.50 1.75 1.92 1.75 1.50 1.70 2.50 2.92 3.13 1.70 1.41 1.41 1.80

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0.30 0.25 0.28 0.27 0.25 0.39 0.24 0.25 0.24 0.31 0.27 0.59 0.55 0.28

kwadratenwet factor

De scan lengte komt overeen met de isodosen zoals door Philips aangeleverd Klinische workload: verwacht gebruik kV cm mAs per day factor fractie factor per seconde

dikte Lood (mm) = 1/(!"#)*ln((transmissie- # +($/!))/(1+($/!)) dikte Beton (cm) = 1/(!"#)*ln((transmissie-# +($/!))/(1+($/!)) / 10

4400 0.1

Referentie scan 140 2.4

Ervaring Radiologie van het LUMC: metingen wijzen uit dat de uitgangswaarden voor de berekeningen conservatief zijn gekozen De gemeten dosis is richting de controlekamer slechts een kwart van de dosis waarmee werd gerekend (model)

Fit parameters, secundaire straling alpha beta gamma

Aantal scan seconden per week Doelvoorschrift

Hoogspanning Scan lengte (typisch) Stroomsterkte Aantal examinaties per dag Factor mèt en zonder contrast Fractie 4D scans Belasting 4D versus 3D Aantal scanlengtes per seconde

0.00268 0.00400 0.00893 0.00862 0.00125 0.01523 0.00665 0.00375 0.00267 0.00278 0.00542 0.02959 0.02247 0.01395

Dosis per mAs

Dosis @ "D5" mAs 0.67 1.00 2.23 2.15 0.31 3.81 1.66 0.94 0.67 0.70 1.36 7.40 5.62 3.49

Dosis per week (mSv) 2.945 4.400 9.819 9.481 1.375 16.758 7.314 4.125 2.938 3.062 5.964 32.544 24.712 15.343

1 0.2 0.2 0.2 0.05 1 1 0.05 0.2 0.2 1 0.025 0.025 0.2

Verblijfsfactor

Transmissie, maximaal toegestaan 0.001 0.002 0.001 0.001 0.028 0.000 0.000 0.009 0.003 0.003 0.000 0.002 0.003 0.001

2.2 1.7 2.0 2.0 0.8 3.0 2.6 1.1 1.5 1.5 2.5 1.6 1.5 2.2

150 kV

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Beton 125 kV 150 kV 0.0350 0.0324 0.0711 0.0860 0.6974 4.4670

NCRP 147

Code A B C D E F G H I J K L M N O

Locatie

Diagnostische CT ruimte Diagnostische CT ruimte Toilet Techniek ruimte PET-CT Bedieningsruimte Gang Toedieningsruimte Beddensluis Sluis Flex werkplek Opslagruimte (toekomst werkplek) Patio Kelder Kelder Werkplekken

0.001 0.028 0.018 0.010 0.009 0.008 0.023 0.001 0.002 0.012 0.039 0.028 0.050 0.041 0.017

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y 1.50 1.75 2.34 3.09 3.00 3.26 1.92 1.53 1.70 2.12 1.50 1.66 1.35 1.41 2.05

afstand tot 'rand' (m) 0.0 1.5 2.8 4.4 0.0 5.0 1.8 -0.7 -2.0 -3.5 -3.5 2.0 1.2 -1.3 -3.1

x 2.7 2.7 2.7 2.7 6.3 -2.6 -2.6 -4.5 -4.5 -3.2 0.0 3.0 -1.4 -1.4 3.0

y 2.70 3.09 3.89 5.16 6.30 5.64 3.16 4.55 4.92 4.74 3.50 3.61 1.84 1.91 4.31

afstand tot meetpunt (m) 0.31 0.32 0.36 0.36 0.23 0.34 0.37 0.11 0.12 0.20 0.18 0.21 0.53 0.55 0.23

kwadratenwet factor

De scan lengte komt overeen met de isodosen zoals door Philips aangeleverd Klinische workload: verwacht gebruik


4400 0.1

Klinisch Gebruik 125 30.00 250.00 16.00 2.00 0.30 5.00 1.00

0.00031 0.00898 0.00653 0.00358 0.00204 0.00269 0.00849 0.00011 0.00024 0.00240 0.00716 0.00590 0.02662 0.02247 0.00385

Dosis per mAs

Dosis @ "D5" mAs 0.08 2.25 1.63 0.89 0.51 0.67 2.12 0.03 0.06 0.60 1.79 1.48 6.65 5.62 0.96

Dosis per week (mSv) 0.340 9.879 7.185 3.938 2.245 2.954 9.336 0.124 0.262 2.641 7.880 6.492 29.279 24.712 4.230

1 1 0.05 0.025 1 0.2 1 0.2 0.2 1 1 0.2 0.025 0.025 1

Verblijfsfactor

Transmissie, maximaal toegestaan 0.006 0.000 0.005 0.020 0.001 0.003 0.000 0.077 0.037 0.001 0.000 0.001 0.003 0.003 0.000

1.3 2.7 1.3 0.9 2.0 1.5 2.7 0.5 0.7 2.1 2.6 1.8 1.6 1.5 2.3

150 kV

Vereiste dikte Lood (mm)

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Ervaring Radiologie: metingen wijzen uit dat de uitgangswaarden voor de berekeningen conservatief zijn gekozen De gemeten dosis is richting de controlekamer slechts een kwart van de dosis waarmee werd gerekend (model)





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NCRP 147

Code A B C D E F G H I/I J/J K/K L/L M/M N/N O P Q R S T U V W Y

Use

Controle kamer Gantry 1 Doolhof Gantry 1 Controle kamer Gantry 2 Gantry 2 bunker Gantry 2 bunker Bundellijn R&D Bunker Controle kamer R&D bunker Techniekruimte Techniekruimte Doolhof Gantry Kelder Bundellijn Dak Doolhof Gantry 2 Trap Toilet Kleedkamer Toilet Controle kamer oogbunker Oogbunker Gantry 1 Gantry 1 Controle kamer Gantry 2

0.029 0.039 0.017 0.003 0.015 0.009 0.032 0.003 0.003 0.022 0.039 0.038 0.009 0.028 0.039 0.017 0.005 0.015 0.026 0.018 0.009 0.020 0.003 0.029

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y 1.80 1.50 2.12 1.66 1.66 3.00 1.80 1.66 1.70 1.98 1.50 1.56 3.00 1.70 1.50 2.12 1.80 1.66 1.92 2.27 3.00 1.68 1.66 1.80

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afstand tot meetpunt (cm) 0.07 0.06 0.07 0.05 0.05 0.04 0.03 0.03 0.03 0.06 0.06 0.07 0.04 0.03 0.06 0.07 0.04 0.05 0.04 0.04 0.04 0.03 0.03 0.07

kwadratenwet factor

De scan lengte komt overeen met de isodosen zoals door Philips aangeleverd Klinische workload: verwacht gebruik


21120 0.1

Klinisch Gebruik 125 30.00 250.00 64.00 2.00 0.30 5.00 1.00

0.00195 0.00236 0.00112 0.00014 0.00077 0.00037 0.00105 0.00009 0.00009 0.00138 0.00244 0.00260 0.00037 0.00081 0.00244 0.00112 0.00022 0.00077 0.00115 0.00076 0.00037 0.00059 0.00009 0.00195

Dosis per mAs

0.49 0.59 0.28 0.04 0.19 0.09 0.26 0.02 0.02 0.35 0.61 0.65 0.09 0.20 0.61 0.28 0.05 0.19 0.29 0.19 0.09 0.15 0.02 0.49

Dosis @ "D5" mAs

Dosis per Transmissie, Gebruiksfac week maximaal tor (mSv) toegestaan 10.314 1 0.000 12.451 0.05 0.003 5.898 1 0.000 0.751 1 0.003 4.054 1 0.000 1.953 0.025 0.039 5.521 1 0.000 0.475 1 0.004 0.482 0.025 0.160 7.295 0.025 0.011 12.870 0.05 0.003 13.752 0.025 0.006 1.979 0.025 0.039 4.285 0.025 0.018 12.870 0.05 0.003 5.898 0.025 0.013 1.146 0.05 0.034 4.054 0.2 0.002 6.064 0.05 0.006 3.998 1 0.000 1.953 1 0.001 3.119 1 0.001 0.475 1 0.004 10.314 1 0.000

25.6 16.9 23.9 17.5 22.7 9.1 23.7 16.1 4.8 13.2 17.0 15.1 9.1 11.5 17.0 12.5 9.6 17.8 14.7 22.7 20.5 21.9 16.1 25.6

150 kV

Vereiste dikte Beton (cm)

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Ervaring Radiologie: metingen wijzen uit dat de uitgangswaarden voor de berekeningen conservatief zijn gekozen De gemeten dosis is richting de controlekamer slechts een kwart van de dosis waarmee werd gerekend (model)





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