2012年1月16日星期一

CR and DR triumph over conventional techniques (1)

           Digital radiography is now widely regarded as the standard technology for x-ray imaging. Over the past 25 years, many screen-film systems have been replaced by digital units all over the world.
While modalities such as MRI and CT have been digital from the outset, projection radiography made the transition to digital relatively late. The eventual triumph of digital imaging over analog techniques was made feasible by improvements in technology. The switch to digital has also brought advantages in terms of image quality and improved image handling.
          The physical properties of the various detector systems available offer competing advantages and disadvantages in terms of image quality, equipment handling, and cost. The image receptor material, readout process, and method of data processing can all differ from one detector system to another.
The two main detector systems used for digital x-ray are computed radiography (CR), based on storage phosphor plates, and solid-state (flat-panel) digital radiography (DR) .
              Perlong Medical 's DR has mobile x ray machine (PLX5200) and stationary x ray machine (PLX8200) .

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