The X-rays of sickle-arm X-ray machines should be used for medical diagnosis, mainly based on the penetration, differential absorption, photoreceptor and fluorescence effects of X-rays. Since X-rays are absorbed in different degrees when they pass through the human body, for example, the amount of X-rays absorbed by the bones is more than that absorbed by the muscle unit, then the amount of X-rays after passing through the human body will be different, which will carry the various parts of the human body. Information, the intensity of the fluorescence or photosensitive effect caused by the fluorescent screen or on the photographic film is quite different, so the fluorescent screen or on the photographic film (after developing and fixing) will show different densities. shadow. According to the contrast of shadow shades, combined with clinical manifestations, laboratory results and pathological diagnosis, it can be judged whether a certain part of the human body is normal. As a result, X-ray diagnostic technology has become the world’s earliest application of non-traumatic visceral examination technology. Sickle arm X-ray machines are also widely used.
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