Siemens ONCOR Impression LINAC System

Siemens ONCOR Impression LINAC System

Condition: Refurbished

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The Siemens ONCOR Impression is an advanced linear accelerator that can be used for clinical routine applications, as well as complex and advanced treatments. The ONCOR Impression has a wide variety of configurations to meet the needs of both the patient and the clinic.

Three base configurations are available, with each having a wide range of standard and optional features. Most features are available as an option for each base configuration.


  • Available in three base configurations: ONCOR Impression, Expression, and PreScision
  • ONCOR Impression
    • Basic system for ONCOR linear accelerators
    • Supports routine and advance medical treatments
    • Upgradable to IGRT, SRS, and SRT linear accelerator configurations
  • ONCOR Expression
    • Fully integrated IGRT linear accelerator
    • Allows for 2D and 3D imaging
    • Upgradable to SRS and SRT linear accelerator configurations
  • ONCOR PreScision
    • For stereotactic treatment with 160 MLC and/or ModuLeaf
    • Dramatically reduces delivery time
    • Upgradable to IGRT linear accelerator configuration
  • High dose rate of up to 2,000MU per minute
  • Advanced user interface for accurate setup and delivery
  • All-digital platform
  • Choice of multileaf collimators to meet clinical needs
  • Offline imaging review
  • Broad range of clinical applications with photon and electron selection options
  • OIS system for data management and security (optional)
  • Optiguard collision avoidance system (optional)


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