Radiological Protection Ordinance
(RPO)

¹ In dia­gnost­ic, in­ter­ven­tion­al ra­di­ology and nuc­le­ar medi­cine ex­am­in­a­tions, the li­cence hold­er must keep all ra­di­ation doses as low as achiev­able con­sist­ent with ob­tain­ing the re­quired ima­ging in­form­a­tion.

² For all thera­peut­ic ex­pos­ures, the li­cence hold­er must carry out in­di­vidu­al do­si­met­ric plan­ning. The doses for risk or­gans must be kept as low as is achiev­able and con­sist­ent with the in­ten­ded ra­dio­thera­peut­ic pur­pose.

³ For the pro­tec­tion of pa­tients, the op­tim­isa­tion pro­cess in­volves in par­tic­u­lar:

a.

se­lec­tion of suit­able equip­ment, in­clud­ing soft­ware;

b.

con­sist­ent pro­duc­tion of ad­equate dia­gnost­ic in­form­a­tion or thera­peut­ic out­comes;

c.

the prac­tic­al as­pects of pro­ced­ures;

d.

qual­ity as­sur­ance;

e.

as­sess­ment and eval­u­ation of the pa­tient dose or the ad­min­istered activ­ity;

f.

use of ap­pro­pri­ate set-up para­met­ers or ap­pro­pri­ate ra­di­o­nuc­lides;

g.

use of sens­it­ive de­tect­ors;

h.

for every med­ic­al in­stall­a­tion, use of the ele­ments re­quired for the pro­tec­tion of pa­tients.

⁴ The dose re­ceived by per­son­nel must be taken in­to ac­count in the op­tim­isa­tion pro­cess.

5 The FDHA may is­sue tech­nic­al op­tim­isa­tion pro­vi­sions for the pro­tec­tion of pa­tients.