Philips Azurion - 16.20.5 Reference Air Kerma Measurement Setup

System X-ray Protocol Flavor Field size Paent type
C20/F20 with ClarityIQ (op-
on)
Head Normal 15 cm Default
Measurement c
ondions: according to Reference Air Kerma Measurement Setup (page 311).
16.20.5 Reference Air Kerma Measurement Setup
Systems with FD12 Detector
Descripon Setup
An-scaer grid In posion
Distance from focal spot to entrance surface of the phan-
t
om
• Frontal: 985 mm (38.78 inch)
• Lateral: 1060 mm (41.73 inch)
Distance from focal spot to Image receptor • Frontal: 1235 mm (48.62 inch)
• Lateral: 1310 mm (51.57 inch)
Distance from focal spot to paent entrance reference
point
Frontal and lateral: 615 mm (24.21 inch)
Distance from focal spot to isocenter Frontal and lateral: 765 mm (30.12 inch)
Measuring device Unfors Xi meter or RaySafe X2 meter with sensor placed in
the X-ray beam between the focal spot and the phantom,
outside the system measurement eld (see the gure be-
low)
Measurement result To determine the measured air kerma, the rao between
the distance from focal spot to paent entrance reference
point and the distance from focal spot to the measurement
device shall be taken into account (according the inverse
square law)
Paent support Out of the primary X-ray beam
Phantom Rectangular blocks of PMMA, total thickness 200 mm (7.87
inch), sides equal to or greater than 250 mm (9.84 inch)
Single-shot exposure Aer radioscopy (stabilized kV/mA)
Wedge lter Deselected
X-ray beam orientaon • Rotaon: 90 degrees LAO
• Angulaon: 0 degrees CAUD
Systems with FD15 Detector
Descripon Setup
An-scaer grid In posion
Distance from focal spot to entrance surface of the phan-
t
om
• 960 mm (37.80 inch)
• 1075 mm (42.32 inch)
Distance from focal spot to Image receptor • 1195 mm (47.05 inch)
• 1310 mm (51.57 inch)
Distance from focal spot to paent entrance reference
point
• 660 mm (25.98 inch)
• 615 mm (24.21 inch)
Distance from focal spot to isocenter Frontal and lateral: 810 mm (31.89 inch)
Measuring device Unfors Xi meter or RaySafe X2 meter with sensor placed in
the X-ray beam between the focal spot and the phantom,
outside the system measurement eld (see the gure be-
low)
Technical In
formaon Typical Reference Air Kerma (Rate) Values
Azurion Release 1.2 Ins
trucons for Use 311 Philips Healthcare 4522 203 52421