December 3, 2021 — Mirion Technologies, Inc., a global provider of detection, measurement, analysis and monitoring solutions to the medical, nuclear, defense, and research end markets, today announced that it had completed the acquisition of Computerized Imaging Reference Systems, Inc., a leading provider of medical imaging and radiation therapy phantoms serving the medical industry.
CIRS specializes in the design, development and commercialization of tissue equivalent medical imaging and radiation therapy phantoms for the radiotherapy and radio-diagnostic markets. The critical technology of CIRS is used to:
- Calibrate and test diagnostic imaging and radiation therapy equipment;
- Measure radiation dose in specific anatomical geometries;
- Maintain critical quality assurance standards; and
- Improve patient outcomes.
On November 11, 2021, Mirion had announced that the Company had signed a definitive agreement to acquire CIRS for approximately $54 million, and will be integrated into the Company’s Medical segment.
For more information: www.mirion.com
October 21, 2025 
