Parts: Spot Film Device, Siemens

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Manufacturer : Siemens

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Spot Film Device may also be referred to as :

Digital Photospot System | X-ray Fluoroscope | X-ray Fluorograph | System, X-ray, Photofluorographic | Radiographic/Fluoroscopic Table System | Photofluoroscopes | Fluoroscopes | Fluorograph
 

Tips for buying Spot Film Device Parts

  1. Facilities should consider the types of procedures to be performed and determine the table tilt, travel, image intensifier size, and image processing methods to best suit those procedures.
  2. The main consideration for buyers should be the table tilt.
  3. Tables usually offer a 90° tilt in the plus direction, when feet are down. In the minus directions they offer 15° to 90° tilt.
  4. Certain procedures, such as cervical myelography, can benefit from a 90°/90° tilt.
  5. Manufacturers offer various longitudinal and lateral table travels. When deciding on table travel parameters, positioning the patient for various procedures is a major consideration.
  6. When using larger image intensifiers, more anatomy can be viewed in one image.
  7. Facilities need to carefully consider their needs when selecting the x-ray generator. The available generators that are commonly used for cardiac imaging include: three phase, 12 pulse, high frequency, and constant-potential generators. All can provide the high power, direct current, or very low ripple waveform required for cinefluorography.
  8. Space-constrained areas would benefit from high frequency generators, which are smaller and easier to install.
  9. Facilities should also consider the heat dissipation rate and the heat capacity of the x-ray tube anode. Only 0.2% of the electrical energy delivered to the tube is converted to x-rays, and the rest is radiated as heat - which will destroy the anode if not quickly dissipated.
  10. To help dissipate the heat, rotating and larger diameter anodes may be used, as well as circulated liquid cooling systems and ceramic tube envelopes.
  11. Using a higher anode heat capacity allows for longer fluoroscopy runs. It also provides a higher overall output, and extends x-ray tube life.
  12. The minimum anode heat capacity should be 1,000,000 heat units.
  13. Advanced interventional procedures requiring longer imaging times would benefit the most from high heat capacity tubes.
  14. Suppliers now offer x-ray tubes with anode heat capacities over 2,000,000 HU and heat dissipation rates of 900,000 HU/min.
  15. Buyers need to look at the focal spot size of the anode; a smaller focal spot provides better quality images, but the larger one dissipates heat better. Therefore, smaller ones need a larger anode heat capacity than larger focal spots do.
  16. Some suppliers offer two or three focal spot sizes to accommodate the variety of imaging techniques and procedures.
Read more valuable tips on the Medical Equipment Buying Guide by MedWOW >>