Xstrahl RADiant, Operator'S Manual

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RADiant Operator Manual Section 2: Xstrahl RADiant System Description
2-4 | 14/11/2018 PHET_OP_GB Version 7© Xstrahl Ltd. All Rights Reserved
The Xstrahl RADiant Therapy filter is made of aluminium and be up to a
maximum physical thickness of 3mm. The materials and thickness, in
combination with the kV for the clinical filter, give a resultant HVL as
measured by the physicist; the HVL achieved will affect the percentage
depth dose achieved.
Note:
Please refer to the British Journal of Radiology, Supplement 25
for details on percentage depth doses for a range of
HVL’s.
2.2.1 Filter Settings
Table 2-2: Xstrahl RADiant Therapy standard filter settings
Xstrahl RADiant Therapy Filter Settings
a
eBt SRT
Filter 1 2 3
kV 70 80 80
Thickness (mm) 2.5mm Al 1.5mm Al 2.5mm Al
a. The kV, mA and HVL values must be checked and recorded in the
acceptance test document.
2.2.2 Installing the filter
To remove the filter:
1. Select the required filter and insert into the fully into the sub-tube
assembly, until it clicks into position. Each filter is numbered.
Figure 2-4: RADiant Therapy filter being fitted
2.2.3 Removing the filter
To remove the filter:
1. To remove the filter pull the handle and remove it from the sub tube.
Each filter is numbered.