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    100% IGRT for precise delivery

    Engineered to simplify and enhance virtually every aspect of image-guided volumetric IMRT and RapidArc therapy technology

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    New generation dual-layer multileaf collimator

    Unique MLC design enables high modulation with low leakage for every field or arc

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    Improved workflow efficiency

    4RPM gantry speed, RapidArc delivery typically at 2RPM and fast MLC motion enable high quality treatments and standardised workflows

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    High image quality

    High quality kV images enabled by fast acquisition and advanced reconstruction algorithms

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    Human-centred design with 100 cm-wide bore

    Quiet system with smooth motion and easy access designed to keep patients relaxed and focused

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    Halcyon with HyperSight

    Improved IGRT and CBCT image acquisition for treatment planning expands your clinical versatility


The Halcyon system is accessible to all, will not compromise your needs, and provides configuration options to fit your clinic.

With its simple, compact, and patient-centered technology, the Halcyon system allows clinicians to deliver straightforward, high-quality treatments for every patient, everywhere.


Efficient from installation through treatment delivery, and facilitates the improvement of virtually every aspect of a cancer center’s operation and clinical workflows. Fast installation and training enable the start of patient treatments in a couple of weeks.

With a streamlined radiotherapy process, clinics can treat more patients while maintaining quality and safety. The Halcyon system may also help in reducing capital cost while improving productivity.


The Halcyon system is focused on what your clinic needs. Its capabilities in delivering high quality radiotherapy allows clinics to treat patients with conventional and advanced radiation therapy delivery techniques—all optimized to produce the prescribed dose precisely and accurately.

Every treatment is image-guided to provide clinicians with the confidence to evaluate all aspects of the treatment while the patient is on the couch.


The Halcyon system, which advances clinical capability and sustainability, is the 2023 Green Innovation Award winner at the ACES Awards.

See relevant sustainability case study.


A revolution in resolution

An epic advancement in image quality, precision, and speed. The next generation of in-room imaging has arrived on Halcyon.

Not available for sale in all markets.



Product Overviews

Product Details


Fast treatment

Quick imaging and delivery accelerate treatment time.


Workflow efficiency

Nine-step treatments improve throughput without sacrificing comfort or safety.


Robust ROI

Halcyon is fast to install and simple to maintain – so you can help more patients year over year.

We will help you get connected

Our specialists can help you integrate Varian into your workflow.

If you are a current customer and need product support, please visit our Customer Support page

We will help you get connected

Halcyon now FDA-cleared with HyperSight imaging solution option. Not available for sale in all markets.