Vatech Smart Plus PHT-35LHS - CBCT Collimator Alignment

Smart Plus (PHT-35LHS)
Technical Manual
VT-TECH-Smart Plus-001
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2.6. CBCT Collimator Alignment
To optimize CBCT image quality in Smart Plus (PHT-35LHS) model, the operator should perform the
Collimator Alignment operation according to the following procedures.
The result of Collimator Alignment can be different depending on Geometry Data.
Therefore, Geometry Calibration should be performed before Collimator Alignment.
 CBCT Collimator Alignment Standard
- X-ray Condition: 95 kVp, 8.7 mA / Threshold Value: 95%(Left/Right), 75%(Top/Bottom)
Left/ Right : 1~2 Pixels
Bottom : 10~15 Pixels
Top : 10~15 Pixels