Enhances the 2D-ARRAY seven29 to
a measuring system for Intensity
Modulated Arc Therapy (IMAT)
* Suitable for all dynamic techniques
* Time saving IMAT treatment plan verification
* Signal independent of beam direction
due to most advanced ion chamber design
* One single measurement for entire IMAT
* Calibrated for absolute dose measurement, no
* Data analysis with VeriSoft software1
OCTAVIUS enhances the 2D-ARRAY seven29 to a
state-of-the-art measuring system for all dynamic
IMRT technologies such as IMAT or tomotherapy.
A CT scan of the phantom including the array must
be imported into the TPS software. The TPS
software recalculates the patient plan for the phantom
geometry and exports the dose calculation for the
layer of the array.
The phantom can be treated from all directions,
exactly in the same way as a patient.
VeriSoft software compares the data from the TPS
with the measured data from the array. VeriSoft
offers comprehensive software functions such as a
Gamma Index algorithm for data analysis.
The 2D-ARRAY seven29 features 27 x 27 dose
points in a plane inside the phantom. Due to the
cutting-edge ionization chamber design, the array
can be treated from different gantry angles without
angular signal dependence as known from diodes.
With OCTAVIUS, IMAT plan verification does not
need more time than standard IMRT plan verification
with the 2D-ARRAY seven29.
1The comparison depends on the dose calculation algorithm of
the TPS Monte Carlo based algorithms (e.g. AAA) give very
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