In the past, DR was a regular filming machine. It is mainly used for the screening of chest lesions, which can be used for the diagnosis of inflammation, tuberculosis, tumors, etc. For the examination of abdominal diseases, it can make judgments on biliary and urinary stones. For the limbs, you can observe the musculoskeletal system. disease. It can be said that DR plays a vital role in routine inspections. Since the 21st century, imaging technology has developed rapidly and innovations have emerged. Today's state-of-the-art DR is more than just a conventional filming machine. It also enables visual imaging.
The most technologically advanced DR currently achieves 17-inch by 17-inch square imaging during angiography, which has tremendous advantages in clinical applications. However, the use of traditional gastrointestinal machine for angiography can only achieve 7/9/12 inch circular imaging. The former increased by 113% compared to the latter. In addition, the gastrointestinal machine uses an image intensifier to acquire images, and the circular image may have edge distortion due to the electric field. So what effect does circular imaging have on the examination when doing angiography?
For example, when doing a full gastrointestinal angiography, only local conditions can be observed. The doctor needs to adjust the flow of the tube following the flow of the contrast agent for real-time observation, which increases the workload of the doctor. For doctors who are not very experienced, the operation can't be handy. In addition, with a conventional gastrointestinal machine, a normal body type adult needs at least three to four sheets to perform a full gastrointestinal angiography to see the whole, and is very troublesome.
At the same time, the traditional gastrointestinal machine performs frame drawing in the case of perspective, and the pixel can only reach 4 million. At present, the most advanced DR dot pixels of the technology can reach 9 million, and the difference is self-aware. We think about it, in life, the 4 megapixel picture does not satisfy people's needs for picture detail, let alone X-ray images used to observe small lesions.
In addition, the most advanced DR can realize millisecond-level dynamic and static switching points during dynamic imaging. Without this feature, it is extremely easy to miss the lesion when examining a patient. For example, a patient is doing pyelography, and under visual conditions, a suspected lesion is observed somewhere in the kidney. The doctor operates the machine to perform a spotting. At this time, if the spotting cannot be performed instantaneously, the flat panel detector needs to be transmitted to the designated position by the motor first. This process takes a few seconds. The doctor can only look at the lesion disappearing into the field of vision in many cases. At the same time, he can only find the lesion again, and the patient has to eat some rays repeatedly.
Technology is constantly improving and DR functions are becoming more powerful. The DR that has been continuously broken through performance can solve many problems encountered in the clinic, reduce missed diagnosis and misdiagnosis, and send the best image diagnosis service to patients.
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