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What considerations are important when aligning X-ray collimators with flat panel detectors?

Aligning X-ray collimators with flat panel detectors (FPDs) is crucial for achieving accurate and safe imaging in medical applications. Proper alignment ensures that the X-ray beam is directed precisely onto the FPD, minimizing unnecessary radiation exposure and optimizing image quality. Considerations include:

1. Collimator Field Size: Matching the collimator field size to the FPD dimensions ensures that the entire detector area is effectively utilized.

2. Centering: Accurate centering of the X-ray beam on the FPD is essential to avoid image distortion and to capture the region of interest.

3. Collimator Light Field Alignment: Aligning the collimator light field with the X-ray field helps in accurately identifying the radiation field boundaries, ensuring proper collimation and reducing unnecessary exposure.

4. Regular Calibration: Periodic calibration of both the collimator and FPD is necessary to maintain accuracy and compliance with safety standards.

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Author:X Ray Collimator


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