Mobius AIRO Mobile CT System - Protective Barriers; Protection by Distance

26 MI-42-0001 Rev. 19
SAFETY: Radiation Safety
Vertical Profile
Values in uGy/mAs
2.7.5 Protective Barriers
How to Minimize
Radiation Exposure
The recommended practices for minimizing radiation to staff are:
Specification for
Pro
tective Barrier
For personnel remaining in the room, mobile shields, lead aprons, and thyroid collars must be
utilized. Mobile barriers should have a leaded glass window. All protective barriers (shields, collars,
and aprons) must be rated 0.25 mm Pb equivalent or higher.
The CT operator must be able to view the patient at all times when a scan is performed to be able
to act promptly in case of an emergency.
2.7.6 Protection by Distance
Use the Pendant
Display
AIRO is designed to be operated from a distance to protect the CT operator from exposure to stray
radiation. The CT operator must be able to view the patient at all times when a scan is performed to
be able to act promptly in case of a collision.
Values in uGy/mAs
kV 120, mAs 192, mA 100, Sec. 1.92
cm 150 100 50 0 50 100 150 200
150
0.054 0.070 0.066 0.023 0.010 0.061 0.050 0.038
100 0.074 0.122 0.180 0.058 0.077 0.112 0.071 0.044
50 0.086 0.184 0.507 Gantry 0.404 0.168 0.086 0.049
0 0.088 0.205 0.575 Phantom 0.727 0.189 0.080 0.043
50 0.082 0.166 0.312 Gantry Table Table Table Table
Personnel Recommended Location During Scan
CT operator and essential staff IEC 60601-1-6 Classifications:
Behind protective barriers (mobile shields) as needed
Other medical support staff Outside of the room
Step
Use the long cord on the Pendant Display to control the scanner at a distance from behind
protective barriers.