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Computer Tomography (Testing (Laser safety (Mechanical accuracy (Alignment…
Computer Tomography
Testing
Electrical safety
Electrical safety features, for all components of a scanner system, should be checked at acceptance and appropriate guidance
Mechanical Safety
- Reduce risk of collision
- Patient release device
- emergency stop controls or switches
(follows IEC standards)
Laser safety
- Laser alignment light checked at acceptance
- satisfied that necessary info has been given
- warning notices displayed in appropriate location
- safety precautions documented.
Mechanical accuracy
- Alignment of indicating lights with scan, coronal and sagittal planes
- Couch travel accuracy
- Gantry tilt
Dosimetry
- CT dose index (CTDI) in air
- CTDI in Perspex phantoms
- Dose profiles
Imaging performance
- Noise
- CT Number uniformity
- CT Number Linearity
- Low contrast resolution
- Spatial Resolution
- Z-sensitivity (image slice width)
- Artefacts
- Accuracy of distance measurements
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Installation
- Select Design and Construction Team
- Preliminary Floor Plan and Site Evaluation
- Develop Preliminary Project Plan
- Pre-Construction Meeting & Finalise Project Schedule
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