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Multileaf Collimator

Multileaf Collimator A Multileaf Collimator is now available as an optional accessory for the Equinox™ product line, providing 3D Conformal Radiation Therapy (3D CRT) and Intensity Modulated Radiation Therapy (IMRT) capability.

The Best Theratronics Multileaf Collimator 60 (MLC 60) is custom designed for seamless integration with the Equinox 100 therapy machine.  The Equinox™ MLC 60 system is the most advanced Cobalt Teletherapy system available.

Cobalt-60 is widely used for conventional RT in most of the world, but has lacked the required technical research and development to facilitate IMRT/IGRT...


Click here to download the PDF brochure.


  • Number of leaves:  60
  • Maximum field size:  30 x 30 cm
  • Leaf width at isocenter:  10 mm
  • Leaf over-travel distance:  75 mm
  • Leaf interdigitation
  • Maximum projected leaf speed:  18 mm/s
  • Focused leaves
  • Leaf material:  Tungsten
  • Inter-leaf leakage:  <2.0%
  • Patient clearance (from isocenter):  40 cm
  • 2 independent position sensors per leaf
  • Integrated Safety Interlocks
  • MLC Console Software
  • Record and verify
  • Patient Database
  • DICOM-RT compatible
  • Removable MLC for standard Equinox operation


Best Theratronics