How Does a CT Tube Work and Where to Buy Them

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