The Catphan 700 is a modular, high-precision phantom designed for comprehensive QA of CT and CBCT systems. It includes multiple modules covering all aspects of image quality: spatial resolution, low contrast, uniformity, geometry, linearity, and modulation transfer function (MTF).
Built from solid, water-free materials, the Catphan 700 requires no maintenance and maintains dimensional stability over time. Its 360° rotation mount with 45° indexing positions enables repeatable orientation testing and cross-system comparisons.
It is compatible with automated analysis software and meets QA requirements for diagnostic and radiotherapy applications.
Key applications
- Measurement of spatial resolution up to 30 lp/cm
- Low-contrast detectability testing (subslice and supraslice modes)
- Geometry and linearity verification and pixel-size accuracy
- Uniformity and noise evaluation
- Assessment of MTF, PSF, and 3D resolution
- Density calibration for bone and lung planning in RT
Specifications
- Included modules: CTP682 (geometry), CTP714 (high resolution), CTP515 (low contrast), CTP712 (uniformity), CTP758/CTP721 (3D analysis), CTP723 (bead blocks MTF/PSF)
- Construction: solid-cast materials, no water or leaks
- Mounting: 360° rotation with 45° detent positions
- Overall diameter: approx. 20 cm
- Max resolution: up to 30 lp/cm
- Materials: stable polymer composites (water equivalence)
- Compatibility: CT scanners, CBCT and RT imaging systems
- Warranty: 24 months
Models
• CTP700 - Catphan 700 Phantom
• CTP682 - Geometry / Sensitometry Module
• CTP714 - High-Resolution Module (30 lp/cm)
• CTP515 - Low-Contrast Module (Subslice / Supraslice)
• CTP712 - Uniformity / Noise Module
• CTP758 / CTP721 - 3D Analysis Modules
• CTP723 - Bead Blocks for MTF / PSF
