Sugestões de compra C-Arm

  1. There are four basic groups of C-arms, including: mini, low-power, medium-power, and high-power.
  2. When buying mobile C-arms, these three main features should be considered: x-ray power, geometry, and image processing.
  3. Before making a purchase, companies should verify that digital storage and/or transmission devices related to the use of mobile C-arms conform to certain standards.
  4. Mini C-arms should be considered for extremity imaging. These smaller Mobile Fluoroscopic-Radiographic units are designed for use in office and surgical environments. Mini C-arms are most useful when instantaneous imaging of the feet, hands, wrists, elbows, or ankles is needed.
  5. Hand or foot surgeons are likely to be the main users of these C-arm devices. Bone alignment can be visualized in a non-invasive manner, in real time - which makes these units especially useful during external reduction and fixation of fractures.
  6. The other three types of C-arms are usually used in surgical procedures. These systems have been providing more and more imaging tools and increased x-ray power, resulting in more useful imaging and therefore use in cardiac imaging.
  7. There are several benefits for increased x-ray power: it allows greater flexibility for imaging and it shortens exposure times and reduces the risk for error. These benefits may be very important for pediatric and obese patients who may find longer exposure times difficult.
  8. These Mobile Fluoroscopic-Radiographic units should be maneuverable around hospitals and provide positioning flexibility. The geometry of the units is important for achieving its purpose. A great C-arm depth may be preferable, but it can also make the maneuverability a bit more difficult.
  9. For effective and easy usage, the C-arm gantry must have the proper dimensions. For example, it must be deep enough to accommodate obese patients. The mobile C-arm's lower portion must be low enough to fit underneath the hospital's beds and operating room tables.
  10. Isocentric rotation, where the center of rotation is the same as the midpoint between the x-ray tube focal spot and the image intensifier, is beneficial.
  11. Mobile C-arm images should be quickly manipulated with digital image processing. It is recommended to be able to send data and image to PACS.
  12. During fluoroscopic procedures, the C-arm television chain system displays the output of an image intensifier on one or more TV monitors.
  13. High-resolution systems, which are offered by some suppliers, are rarely used and require more radiation. When such a system is needed in a mobile C-arm, it should be able to switch between standard and high-resolution modes.
  14. The C-arm TV chain should have some additional features such as high SNR, a large digital storage capacity, and the ability to add alphanumeric characters for patient identification to a recorded image.
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