Tungsten alloy collimator reduces radiation levels in CT scanning. Tungsten alloy collimator not only has the ding of collimation (X-ray guidance), but also absorbs scattered X-rays (X-ray shielding), so it can improve the image quality and can also reduce the radiation levels of CT scanning to a certain extent.
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The typical radiation dose associated with a standard CT scan ranges from 1 to 14 mSv, equivalent to the total annual dose of natural radiation that an individual might receive. And the use of radiation shields is one of the simplest mechanisms by which radiation dose can be diminished without negatively impacting diagnostic image quality when applied appropriately. Within the past decade, several studies have shown the effectiveness of shielding in decreasing radiation dose exposure to the human body.
In recent months, CT chest has become an important means of screening novel coronavirus pneumonia. However, many people ask: Is there radiation in a CT examination? There is a certain amount of radiation. In fact, the radiation protection measures in the CT rooms and CT scanners of major hospitals are still well in place. In addition to tungsten alloy collimator on the CT scanner, there may be many other shields such as tungsten alloy plates, tungsten alloy tubes and tungsten alloy foils.
