ECTphan™ Phantoms

Precision Components Extend Testing Capability

The time-saving ECTphan™ cantilever case mount extends the phantom beyond the table edge, allowing small radius rotations previously restricted by the patient table.

The newest test components include the externally-filled low contrast chambers, and slice thickness test ramps. The chambers enable three levels of hot and/or cold contrasts to be evaluated in three diameters. Test ramps are used to measure slice thickness and slice position. These measurements are critical for volume and fusion imaging applications. These tests can be performed either manually or automatically, through automated software available from the Institute for Radiological Image Sciences (IRIS).

Tests - Summary

• pixel size
• spatial linearity
• RMS noise
• signal to noise ratio (SNR)
• slice width
• uniformity
• spatial resolution
• point spread function
• slice position verification
• slice incrementation accuracy
• center of rotation verification
• volume sensitivity
• low contrast sensitivity

ECT Line Source Phantom

The ECT Line Source Phantom enables testing for Reconstructed Spatial Resolution with scatter for acceptance testing and routine center of rotation and QC testing.

The phantom has 3 acrylic line sources that thread into the water filled cylindrical tank. The line sources are cast out of a clear urethane, enabling a visual inspection to verify the line sources are filled without air gaps. The 1mm ID, 15 cm length line sources are filled outside the tank and then threaded into the tank's removable cover. The phantom is supplied with a wooden case that provides a cantilevered mount to allow for testing using a radius of rotation following the recommendations of the NEMA requirement of 15cm.