MR-Guided Radiotherapy
Dosimetry and QA Solutions
Which detector is best suited for absolute and relative dose measurements in 1.5 T magnetic fields?
Which clinically proven tools are available for routine QC measurements?
Which water phantom can be safely used on MR-LINACs?
Discover PTW’s newest technologies and how they support your dosimetry needs for next-generation MR-LINACs.
BEAMSCAN® MR
The first motorized 3D water phantom suitable for clinical use in a 1.5 T MR environment
Benefit from a complete solution for commissioning and QA of MR-LINACs – from automatic beam data acquisition, processing and analysis to protocol-based documentation. Built to the highest quality and technology standards, BEAMSCAN MR is exceptionally robust, incredibly versatile and straightforward in its operation. As an all-built-in system, it comes ready to use on a single carriage, including everything needed. A comfortable touch panel guides you step by step through the installation and setup process.
BEAMSCAN MR Highlights
- Dedicated 3D water phantom for use with MR-LINACs ( ≤ 1.5 T)
- Two models with vendor-specific water tanks for optimized scanning ranges:
568 mm x 145 mm x 355 mm for Elekta Unity,
408 mm x 248 mm x 355 mm for ViewRay® MRIdian® - All-in-one, ready-to-use system with comfortable touch panel for fast setup
- Auto alignment – no lasers or light field needed
- Maximum speed of 30 mm/s for faster scanning
- Reference-class Semiflex 3D ionization chambers for precise dose measurements in small and standard fields up to 40 cm x 40 cm
- Quick axial and radial detector setup with patented TRUFIX®
- Consistent detector orientation for all scans, including off-axis scans
- Fast, sensitive electrometer with excellent signal-to-noise ratio for perfect scans in all field sizes
- Straightforward operation – from setup to documentation
STARCHECKmaxi ® MR
Comprehensive machine QA for MR-LINACs with one single device
As a flat-panel ionization chamber array, which is quick and easy to set up on the treatment couch, STARCHECK MAXI® MR combines versatility with outstanding efficiency. One shot delivers all relevant beam data for radiation fields up to 40 cm x 40 cm, eliminating the need to set up a 3D water phantom in daily routine or after service and repair.
STARCHECK MAXI MR Highlights
- The only detector array to measure radiation fields up to 40 cm x 40 cm
- Fast acquisition of all relevant beam parameters in one single measurement
- Real-time display of beam profiles and analysis results for consistency checks and beam steering
- Highest spatial resolution (3 mm) for outstanding accuracy in all field regions, including the penumbra
- Optimal detector layout and density for QC measurements –
707 air-vented ionization chambers arranged in a star pattern - Gold standard ionization chambers – no need for frequent recalibration
- Expert analysis tools, e.g., profile comparison, protocol-based analysis, movie mode
- Fully integrated with Track-it for automated reporting
