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PG

The QUASAR™ Penta-Guide Phantom is used for the commissioning and daily testing of Image-Guided Radiotherapy (IGRT) systems. The QUASAR™ Penta-Guide Phantom ensures the accuracy of linac-mounted image guidance systems, including cone beam CT (CBCT), x-ray volumetric imaging (XVI) and on-board imaging (OBI).

Minimize imaging artifacts by making use of the Penta-Guide's low-density objects to allow for rapid and easy daily testing of:

  • 3D cone beam registration
  • kV and MV system coincidence
  • kV and MV projection images
  • Laser and light field coincidence
  • Remote table adjustments

Daily Simultaneous QA Testing

Used by a therapist every morning, testing takes little or no extra time and can be completed during normal daily equipment warm-up procedures. Ideally, one QUASAR™ Penta-Guide Phantom should be used per linac allowing simultaneous system testing and preventing unnecessary start-up delays.

Key Features

  • Enables daily testing to ensure on-board imaging targeting accuracy
  • Contains low-density rings and hollow spheres to minimize high-density artifacts
  • Includes FREE image analysis software to simplify CBCT QA testing
  • Apply simple Pass / Fail acceptance criteria
  • Testing does not infringe upon patient treatment time
  • Light field alignment 4x4; 10x10; 12x12
  • 16 cm cube -5kg
  • 1/4 mm accuracy

QA SOFTWARE

PG SW Image Analysis

Daily Image-Guided Radiation Therapy Quality Assurance Software

Automatically analyze 3D CBCT and 2D kV-MV imaging for your IGRT QA program

QUASAR™ Penta-Guide QA Software is a time-saving application designed to simplify, enhance and automate the image analysis, trending and reporting of 3D CBCT and 2D kV-MV projection images necessary for the QA of image-guided radiation therapy programs.

The software is available in two editions, QUASAR™ Penta-Guide [Enterprise] and QUASAR™ Penta-Guide [Lite]. The Enterprise edition utilizes a central SQL database to enable system administrators to manage machine configurations, define user-roles, security access levels and adjust outgoing mail server settings to automatically send test results to physicist to view, approve, analyze and monitor trends. The central server runs unattended in the background and automatically analyzes QUASAR™ Penta-Guide Phantom images based on the DICOM tag configuration. Test results are retained in the central SQL database for long-term storage and trend analysis.

The QUASAR™ Penta-Guide [Lite] edition is a simpler version of the Enterprise application without the advance SQL database features. Modus is pleased to offer the QUASAR™ Penta-Guide [Lite] as a FREE Download to customers who have purchased QUASAR™ Penta-Guide Phantoms.

Key Features

  • Acceptance testing and commissioning of IGRT systems
  • Automated image analysis tools for analyzing image quality
  • Capable of assessing IGRT characteristics & performance
  • Analyzes accuracy of registration/couch movements, scaling & isocenters
  • Displays Pass/Fail criteria with Green/Red traffic lights
  • Results are contained within a formal Adobe PDF report

Benefits

  • Meets the recommended minimum practice standards
  • Improves workflow efficiency
  • Compares results to measurements taken at the time of commissioning
  • Helps to maintain treatment quality and patient safety
  • Indicates whether tolerance criteria have been achieved
  • Improves the quality of service to patients
Daily IGRT QA to ensure XVI and OBI accuracy

Daily IGRT QA to ensure XVI and OBI accuracy

Watch the video → to get a first-hand look at the QUASAR Penta-Guide Phantom and Image Analysis QA Software.

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RELATED PHANTOMS, SOFTWARE & ACCESSORIES

QUASAR™ Penta-Guide Lehmann Yoke
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QUASAR™ Penta-Guide Lehmann Yoke

The QUASAR™ Penta-Guide Phantom comes with a Lehmann Yoke for verifying the source to surface distance (SSD) indicator. A protocol outlining this enhanced testing procedure is included with the User’s Guide.

QUASAR™ Penta-Guide Hood
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QUASAR™ Penta-Guide Hood

An optional Hood is available to confirm that the Varian Frameless Array or other visual position indicator is aligned with the CBCT and OBI.

QUASAR™ Penta-Guide Tilt Plate
Read More +

QUASAR™ Penta-Guide Tilt Plate

An easy and efficient way to verify couch corrections for 6DoF couches at known rotation angles and displacements.

ADDITIONAL RESOURCES

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