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How Does a CT Tube Work and Where to Buy Them

Feb 23, 2023 | Tech Tips, CT

All about CT tubes and where to buy them

A CT (Computed Tomography) scanner is an advanced medical imaging device that uses X-rays to produce detailed cross-sectional images of the body. The CT tube is a critical component within the CT system that generates the X-ray beam necessary to produce these images.

How does a CT Tube work in a CT System?

  • CT tube consists of an anode and a cathode, which are separated by a vacuum-sealed glass envelope.
  • The cathode emits a stream of electrons that are accelerated towards the anode, generating a high-energy X-ray beam.
  • The X-ray beam emitted by the CT tube passes through the patient’s body and is detected by a series of detectors on the opposite side of the body.
  • These detectors capture the X-rays that pass through the body and convert them into electrical signals, which are then processed by the CT system’s computer to produce detailed cross-sectional images of the body.

Signs that a CT Tube may be failing.

  • Reduced image quality or resolution, such as decreased contrast or clarity in the images.
  • Increased noise or artifacts in the images, which may be caused by a faulty or degraded CT tube.
  • Longer scan times, which may indicate that the CT tube is not generating the necessary X-ray intensity to produce high-quality images efficiently.

Why buy used CT tubes?

  • Used CT tubes have been inspected, tested, and reconditioned to meet or exceed original manufacturer specifications.
  • DirectMed offers used CT tubes on exchange, for many different CT scanner models which can provide a cost competitive solution for medical facilities needing a replacement.

Benefits of used CT Tubes.

  • Cost-effective solution to replace a faulty or aging CT tube without incurring the cost of a new unit.
  • Quality tested CT tubes offer the same performance as a new tube.
  • Used CT tubes can be available faster than ordering a new one, which means less downtime for the CT scanner and the facility.

Buying a used CT tube is your environmentally-friendly choice: it helps reduce e-waste by giving a second life to a high-tech piece of equipment. It’s always fun to feel like you’re doing your part to save the planet while saving money. 

We offer an extensive selection of ready-to-ship CT tubes. Tested and with a warranty.

DirectMed offers CT tubes on exchange, which is a cost-effective and high-quality solution for medical facilities in need of replacement CT tubes. Call with questions, 855-463-3727

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