Medical X-ray instrument of development

X-ray instrument was originally x-rays medical equipment to a kind of outspread application, common x-rays can be called plane perspective, is to X-ray after objects to the absorption of the rays in the superposition projection on film, object is a reflection of the before and after not to come out, the doctor is according to the human anatomy knowledge imagine the hierarchical relationships. But sometimes have to know the relationship between before and after the object, and then from the perspective of the other to shoot a or a few pieces of film, in order to confirm the doctor imagine three-dimensional form. This kind of technology, called "tomography". But because of the shadow of mutual keep out, sometimes want to take a lot of Angle, and three-dimensional concept can only be built in deduce the imagination. This is the first X-ray machine.
How to an objective evaluation of the quality of the images in overseas is already taken seriously and had fairly of further research. Same with other radiological diagnosis, our country in introducing X-ray diagnosis instrument technology and did not do it at the same time introduce X-ray equipment checking instrument maintenance technology. But the recent ten years, the medical profession some work in the first line of insight to gradually to radiation diagnosis especially X-ray diagnosis image quality evaluation instrument technology seriously rise. Its main show is the introduction of image quality testing equipment, the quality of images, and made it quite results.

Article : From Perlong medical (http://www.pl999.net/)
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