DX-D 100 Mobile X-ray Unit
User Manual
22
0188K EN 20201116
2.7.8 DESIGNATED SIGNIFICANT ZONES OF OCCUPANCY
X-Ray equipment specified for any radiological examination that requires the
operator or staff to be close to the patient during normal use (a.e. some pediatric
examinations or other types of examinations for patients that may require
assistance), shall have at least one “Significant Zone of Occupancy” for the use
of the operator and staff, designated as follows:
Illustration 2-1
Radiographic Examination on the Chest Unit or Front Panel
MOBILE X--RAY UNIT
S = SIGNIFICANT ZONE OF OCCUPANCY
MINIMUM AREA 60 x 60 cm
MINIMUM HEIGHT ABOVE THE FLOOR 200 cm
S
140 cm
CHEST UNIT
MOBILE X--RAY UNIT
SID 100 cm
X--Ray Receptor
Patient Support
Wall
Protective Device
CHEST UNIT
Phantom
S1
S2
Focal Spot
Focal Spot
SIGNIFICANT ZONE OF OCCUPANCY
AT THE LEFT SIDE OF THE CHEST UNIT
SIGNIFICANT ZONE OF OCCUPANCY
AT THE RIGHT SIDE OF THE CHEST UNIT
Focal Spot
S
Dosimeter
d
d = DISTANCE FROM THE AXIS OF THE X-RAY
BEAM TO THE DOSIMETER
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