X-Ray Tubes

Varian manufactures cost-effective replacement medical X-ray tubes for many diagnostic imaging modalities including computed tomography (CT),
special procedures (cath lab/angiography), radiography/fluoroscopy (R/F), and mammography.
Our tubes are made for equipment from major medical manufacturers, including GE, Hitachi, Philips, Shimadzu, Siemens, and Toshiba.
As the world’s largest independent manufacturer of medical X-ray tubes,
Varex has extensive experience providing high-quality, safe, effective, long-lasting and cost-effective X-ray tubes to markets worldwide.

Construction of the X-ray tube

The X-ray tube contains two principal elements:
cathode: provides a source of electrons
anode: acts as the target for electrons and releases x-rays
Additional components include:

  • expansion bellows (provide space for oil to expand)
  • tube envelope (evacuated)
  • tube housing
  • cooling dielectric oil
  • rotor
  • induction stator
  • tube window
Cathode and anode are contained in the envelope,
which provides vacuum, support and electrical insulation.
The envelope is most often created from glass, although some tubes contain envelopes

X-ray Collimator

Manual or Motorized

The Optica collimators are intended for integration with radiography and fluoroscopy systems.
All our collimators are equipped with a long-life LED light source that minimizes
any maintenance because no adjustment of the field projection lamp or the mirror is required over time.