PTW Freiburg GmbH
PTW Octavius - Model 4D -Modular Phantom System for Radiotherapy Patient and Machine QA
OCTAVIUS 4D is an ideal system for routine Patient and Machine QA of all major radiotherapy techniques - from conventional step-and-shoot to multiple-arc, non-coplanar treatment plans. With its modular phantom design and a variety of detectors, OCTAVIUS 4D allows you to select the phantom and detector combination that is best for your patient QA needs.
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Perfectly adapted to your application and budget, yet flexible enough to meet your testing needs tomorrow.
Select the phantom and detector combination that is best for you and get started. Expand and upgrade it anytime later as your needs change or grow. With modular OCTAVIUS 4D, you gain the flexibility to stay ahead in patient safety and clinical efficiency. Today and tomorrow.
- One system for Patient and Machine QA
- 3D dose verification in phantom and patient geometry
- Rotating phantom - true 3D, true isotropic geometry
- Modular and scalable – various array detectors and phantom tops
- Cutting-edge detector technology based on Gold Standard ionization chambers
- Verification of treatments including non-coplanar beams, off-axis target volumes or very large fields
- One system for multiple techniques
- Compatible version for MR linacs available
- Simplified workflow - from measurement to case-related monitoring of QA results with optional Track-it
- Water-equivalent phantom material – no density scaling artefacts
- Extended dose rate range for FFF beams – no separate detectors required
- Increased field coverage with 3D Merge for better error detection
- Simple commissioning process
- Reproducible, quick and easy positioning with the Couchfix Positioning Tool
- Full range of advanced comparison and analysis tools for a clinically relevant dose analysis
- Completely independent QA
OCTAVIUS 4D requires no data input from plan/linac for measurement and 3D dose reconstruction. A simple set of PDDs measured in water- that’s all! Unlike other commercially available systems OCTAVIUS 4D is completely independent from environmental settings and guarantees maximum reliability in patient QA procedures. - Truly modular
OCTAVIUS 4D is the only truly modular 4D QA system. It supports a variety of PTW detector arrays and phantom tops for efficient patient- and machine-specific quality assurance. This allows matching the measurement setup according to the particular clinical situation and extends the scope of OCTAVIUS 4D significantly. - Unique measurement principle – Fully transparent
OCTAVIUS 4D measures dose time- and angle-dependent. It ensures perpendicular irradiation of the PTW array detector through synchronous phantom rotation with the linac gantry. Based on this measurement principle OCTAVIUS 4D is the only 4D dose verification system which allows measuring the dose not only at the isocenter or the phantom’s surface but also inside the entire phantom volume without applying any non-transparent dose response corrections. - Minimum commissioning efforts
Compared to competitor products OCTAVIUS 4D needs no time consuming commissioning process. A simple set of PDDs measured in water at different field sizes is the only input and can either be taken directly from already existing basement data or from freshly performed water phantom measurements. - Extended application range
Besides standard VMAT or IMRT deliveries OCTAVIUS 4D covers a wide range of clinical applications including also special applications like verification of treatment plans with non-coplanar beams, verification of large fields, verification of extremely off-axis lying target volumes or verification of treatments with multiple energies etc. - Virtually FOV extension
In some clinical situations the dimension of the target volume cannot completely be covered by the field of view (FOV) of the OCTAVIUS detector. Through intelligent merging of consecutive dose measurements very long radiation fields, such as typically encountered in craniospinal treatments, can be verified with OCTAVIUS 4D, up to field lengths of even 48 cm. - Powerful evaluation platform
OCTAVIUS 4D’s user interface VeriSoft provides powerful 3D dose comparison and evaluation tools necessary to verify IMRT, VMAT or SRS/SBRT treatment plans. 3D Gamma analysis, DVH analysis in patient anatomy, Profile and dose distribution overlays, Dose-difference distributions, to name just a few. - Case-related data management
Connected to PTW’s data management platform Track-it retrospective data analysis and trending of patient & machine specific QA data points out performance changes over time.
- Chamber plates
Insert plates for single ionization chamber measurements in OCTAVIUS 4D phantom (Semiflex3D, Semiflex 0.125 cm³, Farmer or PinPoint 3D) - Starcheck Detector
The Starcheck array can be positioned in OCTAVIUS 4D for advanced LINAC QA measurements.