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Qasc oncouch

Machine QA

QA StereoChecker™ Filmless CyberKnife® QA System

Designed to be used by both physicists and therapists, this easy method for complete daily CyberKnife QA enables improved frequency and depth of QA practices, potentially improving clinical results.

QA StereoChecker™ part of complete solution for: CyberKnife

QA StereoChecker™ Overview

Automated Iris™ QA (Accuray)

  • Complete in 5 minutes
  • Scan quality data every morning
  • Measure profiles, field width, penumbra, flatness
  • Capable of detecting a 0.1 mm field size variation

Treatment Localization System QA-TLS/TDS (Accuray Quality Assurance™)

  • Complete in 5 minutes
  • Replaces film-based AQA and is faster and easier
  • Measure absolute eccentric and center deviation
  • Capable of detecting a 0.5 mm total translational offset

Picket Fence and Garden Fence Tests

  • Complete in 5 minutes
  • Replaces daily non-quantitative daily film-based Picket Fence Tests and monthly Garden Fence Tests
  • Measures planned vs. acquired leaf patterns
  • Capable of detecting leaf variations of 0.2 mm

  • Dimensions
    38.7 cm L x 32.7 cm W x 4.9 cm H
  • Photons
    60Co to 15 MV

Sensor

  • Total Pixel Number
    1024 x 1024
  • Active Pixel Number
    1000 x 1000
  • Pitch
    200 µm
  • Total area
    204.8 x 204.8 mm2

Electronics

  • ADC
    16 bit, 1 MSps

Detector

  • Dynamic Range
    > 88 dB
  • Scintillator
    Gd2O2S:Tb

Software Specifications

  • Operating system
    Windows® 10 Professional
  • Processor
    Intel Core (At least dual-core recommended)
  • Memory
    8 GB RAM (16 recommended)
  • Hard Drive
    2 GB Free (20 GB Recommended)
  • Screen resolution
    1024 x 768 or higher
  • Ports
    RJ45 (Ethernet)

Videos

Webinars

    Register
    QA Stereo Checker Main v2web

    Nov 20th, 2025 / Simplify and Strengthen Your CyberKnife® QA Workflow

    Join us for a deep dive into the cutting-edge solutions for CyberKnife® QA. Learn how to streamline your workflow and boost your confidence in treatment accuracy with tools like QA StereoChecker™ for sub-millimeter precision in SRS delivery verification and IMSure 3D™ Software for automated second checks with Monte Carlo accuracy. Ideal for medical physicists, dosimetrists, and radiation therapy professionals looking to elevate their QA processes and ensure consistent, high-quality patient care.

    Register Now
    Register
    Imsure3d

    May 29th, 2025 / Optimizing CyberKnife QA with IMSure 3D™ and QA StereoChecker™

    Join us for a deep dive into the cutting-edge solutions for CyberKnife® QA. Learn how to streamline your workflow and boost your confidence in treatment accuracy with tools like IMSure 3D™ Software for automated second checks with Monte Carlo accuracy and QA StereoChecker™ for sub-millimeter precision in SRS delivery verification. Ideal for medical physicists, dosimetrists, and radiation therapy professionals looking to elevate their QA processes and ensure consistent, high-quality patient care.
    Register
    Register
    100724 Webinar Recording

    Oct 10th, 2024 / SRS QA: One Click Results

    Get hassle-free device setup and uncomplicated software with QA StereoChecker™ for your CyberKnife QA. Simplified and optimized for improved frequency and depth of your Stereotactic QA practice. Hear about the newest features including single click image acquisition, automated trending of all metrics, enriched user interface, and more!
    Register
    Register
    QASC Screen CKQA

    Jan 19th, 2023 / Announcing QA StereoChecker 2.0

    Hear about the new features for the QA StereoChecker including single click image acquisition, automated trending of all metrics, enriched user interface, and more! Discover how to perform fast and efficient SRS QA with our high-resolution comprehensive CyberKnife machine QA device.
    Register
    Register
    Webinar 020421 Web

    Feb 4th, 2021 / QA StereoChecker: ¡Experiencia en la Fundación Arturo López Pérez!

    Relato de primera mano de Alvaro Ruiz Plata, Físico Médico del equipo de Física Médica de FALP, y su experiencia usando el QA StereoChecker en Cyberknife M6.
    Register

Tech Notes

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