The Digital SRS/SBRT Patient QA Solution

Fully utilize the capabilities of your stereotactic machine with the tool that enables more precise QA delivered in less time. The new myQA SRS solution uniquely combines:

  • unrivaled accuracy and resolution of film QA,
  • with the proven efficiency of digital detector array workflow.


  • Fully compliant with TG 218
  • QA in native plan geometry including couch kick/non-coplanar beams
  • Now fully compatible with your Varian Halcyon® and Ethos™ treatment machines
  • Plane Viewer Tool

Treat more SRS/SBRT patients safely and with the confidence it’s done right. 

The complete SRS / SBRT QA Solution 

The myQA SRS Phantom

  • For verification of single beams and for composite SRS plans using the myQA SRS detector.
  • Cylindrical shape with cap for non-coplanar arc delivery.
  • Easy setup on the couch through lightweight design and laser alignment markers.
  • Including dedicated inserts for small field dosimetry chambers.
  • Optional film insert for benchmarking and for your seamless transition from film-based QA to myQA SRS QA.

myQA® SRS Detector Array

  • Field Size/Active measurement area (cm): 12 × 14
  • Number of detectors: 105,000
  • Resolution (center-center distance) (mm): 0.4
  • Detector/sensor type: CMOS
  • Detector size (mm): 0.4 × 0.4
  • Array dimensions (cm): 48 × 15.4 × 10.4
  • Array weight (kg): ~4.5
  • Supported energies: FF-FFF
  • Power: cable
  • Data transfer: Ethernet
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