At present, the common flat panel detectors on the market can be divided into indirect conversion flat panel detectors (amorphous silicon cesium iodide) and direct conversion flat panel detectors (amorphous selenium), which are mainly used to convert X-ray optical quantum signals into digital signals. . So what should be paid attention to in the use of flat panel detectors?
The room temperature should be kept constant
The environment of the computer room has a great influence on the flat panel detector. Appropriate temperature and humidity are necessary conditions to maintain the normal operation of the detector. The temperature in the computer room should be kept at 19°-25°, the relative humidity should be kept at 40-60%, and be stable all year round.
Anti-crushing and vibration
Severe vibrations have a great impact on flat panel detectors. In daily operation, it is necessary to prevent the outside world from colliding with the detector housing to generate vibration.
In the daily use process, the technician should pay attention to keep the detector clean to prevent the accumulation of dust on the plate from affecting the clarity and cleanliness of the image, destroying the imaging effect, and causing misdiagnosis. When cleaning, use a clean soft cloth, neutral soap, and do not use any corrosive solvents, abrasive detergents or polishes.
Calibrate the flat panel detector every 1 to 2 months, otherwise, after the detector is used for a long time, the image will produce artifacts and affect the diagnosis. The content of calibration mainly includes: tube calibration and flat panel detector calibration, and flat panel detector calibration mainly includes gain calibration and defect calibration. The calibration operation should be carried out by professional engineers, and other people should not operate at will.
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