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CTDI Phantoms

Sun Nuclear

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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

Enabling Healthier Lives

Our mission is to enable healthier lives by improving the avoidance, detection and treatment of cancer. We deliver Patient Safety solutions for Diagnostic Imaging and Radiation Therapy centers globally.

Independence & Integration

We believe independence and integration are equally critical to Quality Management for today’s hospitals, cancer centers and healthcare networks. Independence provides unbiased assurance issues will be caught. Seamless integration with technologies and workflows is how we simplify, standardize and automate processes, for less subjectivity and greater overall efficiency.

Solutions for Every Step

Patient Safety Starts Here, with the widest range of Quality Management solutions, all available from a single source. For the Diagnostic field, we ensure the quality of imaging techniques. For Radiation Therapy, we support advanced Patient and Machine QA, as well as Dosimetry.

Industry-Leading Capabilities

Our global Training, Service and Support programs help ease new technology adoption, enhance workflows and improve Patient Safety. Combined, our Support team has 300+ years of experience in the field, and includes more than 20 Medical Physicists. Support Centers across the globe ensure optimal coverage.

Decades-Deep Alliances

For 35 years, Sun Nuclear has partnered with fellow industry vendors, scientific associations, and customers around the world. We know Quality Management, from all angles, and we’re honored more than 5,000 facilities worldwide choose Sun Nuclear solutions to keep their patients safe.

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CTDI Phantoms

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