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Volume 2 - Atomic Energy Regulatory Board

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2. Pre-patient/post-patient collimator :<br />

(collimator width)/(detector width)<br />

3. Fan angle of scan beam :<br />

D. GANTRY<br />

1. Type of the scan motion : Rotate-Rotate/ Stationary-Rotate<br />

2. Continuous rotation : available (Limits : )<br />

: not available<br />

3. Rotation mechanism : slip ring/other<br />

4. Gantry aperture diameter : ———————— cm<br />

5. Gantry tilt (maximum)<br />

Gantry top towards couch : ——————<br />

Gantry top away from the couch : ——————<br />

Angular accuracy : ±<br />

6. Light-field localiser type : Laser/focussed light beam<br />

Position of light field localizer : At scan plane/external to scan<br />

aperture<br />

7. Focus-isocentre distance :<br />

8. Focus-detector distance :<br />

9. Maximum field of view (FOV) :<br />

10. Bi-way patient communication system :<br />

E. PATIENT SCANNING TABLE<br />

1. Maximum movements<br />

(Full out to full in scan table length): ————— cm<br />

Minimum table incrementation<br />

available : ————— mm<br />

Indexing accuracy : ± ———— mm<br />

Minimum table height : ± ———— cm<br />

Maximum table height : ± ———— cm<br />

232

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