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Products Products Overview Search All Products Request a Quote Find A Distributor SunCHECK Platform Overview SunCHECK Patient SunCHECK Machine SunDEPLOYS SunServices Services Overview Support Training Hardware Repair SunDEPLOYS Resources & Events Resources & Events Overview Webinars Key Publications Events About Who We Are News Careers Favorites Contact Support Patient Safety Starts Here Standardize Patient & Machine QA Explore SunCHECK Simplify Workflows for Patient Setup See Laser Solutions For Patient Treatments Advanced QA for every phase Learn more For Delivery Systems Efficient QA & Dosimetry for every asset Learn more For Diagnostic Devices Proven QA for CT & beyond Learn more Featured Solutions Search all Daily QA-MR CT SIM+​ MICRO+ MultiMet-WL Cube​ SRS MapCHECK​ SunCHECK Patient SunCHECK Machine Advanced Electron Density Phantom​ Resources & Events View all events MedPhys Meetup Series // March 17 Live Webinar Experiencia de dosimetría in-vivo en tratamientos de radioterapia externa mediante el uso de PerFRACTION March 24 // 12 PM CET On-Demand Webinar Filmless Patient Specific Stereotactic QA On-Demand Webinar Simplifying QA in a Crisis On-Demand Webinar SRS End-to-End Testing with a High Density Diode Array and Multi-Met WL Phantom publications EPID Dosimetry in SunCHECK™ Patient: EPID Calibration, Pre-Treatment QA and In-Vivo Monitoring On-Demand Webinar View all on-demand and upcoming webinars > News View all Sun Nuclear Marks Patient Safety Awareness Week with Pledge of Increased Support for RO-ILS March 18, 2021 Comprehensive Sun Nuclear Solutions for Radiation Therapy QA Adopted by Japan’s Ogaki Municipal Hospital copy January 19, 2021 Sun Nuclear's SunCHECK™ Platform Surpasses 1,000 Users Globally as New v3.1 Release Enhances Customization copy January 11, 2021 Catching Errors: Why Independent QA Matters Patient Safety Starts Here 1 A single monitor chamber was the source of fluctuating linac outputs. Daily QA TM 3 caught it, protecting patients. 1 ~10% A patient's spinal cord was overdosed by ~10%. The precise reason why was caught by SunCHECK TM Patient. 2 52 A year of weekly trajectory file measurements on 2 linacs found no errors. Concurrent EPID-based data caught many. 3 >1 mm “It has been clinically observed the log-file derived leaf positions can differ from their actual position by >1 mm.” 4 1 T. McCaw, et al., When a Good Monitor Chamber Goes Bad: Diagnosing Atmospheric Communication of a Sealed Monitor Chamber, AAPM 2018 2 Sun Nuclear SunCHECK user internal testing 3 A. Agnew et al., Monitoring daily MLC positional errors using trajectory log files and EPID measurements for IMRT and VMAT Deliveries, Phys. Med. Biol. 59, (2014) 4 B. Neal, et al., A clinically observed discrepancy between image-based and log-based MLC positions, Med Phys. 43, 2933 (2016) Back to top Privacy Policy ©2021 Sun Nuclear Corporation twitter linkedin instagram facebook ")...