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Computer Tomography (Testing (Laser safety (Mechanical accuracy (Alignment…

- - - - Alignment of indicating lights with scan, coronal and sagittal planes
        
        Couch travel accuracy
        
        Gantry tilt
- - - - Cross-sectional images of the body
        
        Reconstructed
        
        from measurements of attenuation coefficients of x-ray beams in the volume of the object studied.
  - - - Calculated by the attenuation coefficient
        
        2 process of absorption:
        
        photoelectric effect
        
        Compton effect
        
        Single coefficient: mju
    - - 2D section perpendicular to the axis of the acquisition system
      - Does not produce image like X-ray
        
        transmission of thin beam (1-10mm)
        
        taken in different angle
        
        obtain information in depth
    - - calculate attenuation coefficient corresponding to measured irradiated tissue
        Hounsfield scale:
        
        air = -1000
        
        fat = -60 to 120
        
        water = 0
        
        compact bone = +1000
  - - - Detector at the exit of sample
        
        Attenuation recorded
        
        Rebuild a 3D representation of the scanned object/tissue
        
        Emitter rotates along the patient
        Detector diametrically opposite side
        
        move in sync
- - - - Preliminary Floor Plan and Site Evaluation
        
        Develop Preliminary Project Plan
        
        Installation Drawings
        
        Construction Drawings
        
        Plan Review and Permits
        
        Pre-Construction Meeting & Finalise Project Schedule
        
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