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CTDI Phantoms


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Computed Tomography Dose Index Phantom

Measure absorbed dose and monitor scanner output for Dose Index QA with the CTDI Phantoms.

Compliance Maintenance

The CTDI Phantom addresses specifications outlined by the FDA (FDA 21CFR 1020.33) and IEC (IEC 60601-2-44, IEC 61223-2-6 and IEC 61223-3-5IEC 60601-2-44).

Configurable to Your Needs

Offered as a 2-piece or 3-piece configuration, it includes nested modules to adapt the phantom to the size required by user protocol. The 2-piece configuration supports adult body and adult head/pediatric body sizes, and the 3-piece option offers an additional pediatric head size.

TG-66 Compliance

CTDI Phantoms supports CT Dose Index measurements recommended by AAPM Task Group-66.


Smart design features like tips on chamber plugs and scribe lines support fast and accurate setup.

Central & Periphery Measurements

Each module allows dose measurements on the central axis of the phantom or at periphery positions located every 90 degrees at 1.0-cm depth from the surface.

Custom Wheeled Case

Water-tight hard case includes built-in wedges to hold and protect the phantom during transport

CTDI Phantoms

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