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CyberKnife® M6™ Systems

Accuray Incorporated · Model 053401-M-000 · UDI-DI 00811376030467

IYE Prescription
2
510(k) clearances
3,077
Adverse events (20 deaths)
563
Recalls
115
Facilities

Description

CyberKnife® M6™ Series (including configurations: M6 Neuro, M6 FI, M6 FIM, & M6 FM) The CyberKnife M6 Systems are computer-controlled medical systems for planning and performing minimally invasive stereotactic radiosurgery and precision radiotherapy. They use a 6 MV linear accelerator mounted on a manipulator (robot) and a target locating subsystem to accurately deliver high-energy radiation (1000 MU/minute dose rate) to the treatment target. The target locating subsystem provides X-rays of the treatment area that lets the user know the position of the target. The CyberKnife M6 Systems use skull tracking, fiducial tracking (tracking of implanted radiographic markers), skeletal structure tracking, lung tumor tracking, Lung Optimized Treatment, and Synchrony Respiratory Tracking for dynamic positioning and pointing of the linear accelerator. The fixed, variable aperture and multileaf collimators are available as various beam-limiting secondary collimators.

Recalls

DateFirmReason
2026-08-04PTW FREIBURGWhen a bolus is included in a treatment plan and sent for secondary dose calculation, the software accounts for it but does not display this clearly, which may lead users to incorr
2026-06-16Accuray IncorporatedIn certain cases, a collimator may not fully dock, which triggers a system interlock and prevents motion from the operator console. If personnel then enter the treatment room and i
2026-06-16Accuray IncorporatedIn certain cases, a collimator may not fully dock, which triggers a system interlock and prevents motion from the operator console. If personnel then enter the treatment room and i
2026-05-21Elekta, Inc.Software may fail to load adapted baseline shift plan during treatment delivery when a communication error occurs.
2025-12-14Elekta, Inc.Due to a manufacturing issue and electrical grounding of systems.
2025-12-10Elekta, Inc.Using oncology information system that manages workflow may result in overtreatment if:Plan delivered with Particle Therapy IHE-RO TDW-II interface,With one field per fraction or l
2025-10-09C-RAD POSITIONING ABDue to issues with the system's stereotactic radiosurgery (SRS) treatment cannot be guaranteed for all couch angles and system setups. n certain cases, the system may indicate the
2025-09-17ELEKTA SOLUTIONS ABWhen appending a care plan that contains one or more wave medication orders, the occurrence and frequency of the appended orders may not match the intended schedule.
2025-07-25Zap Surgical SystemsIf the radiosurgery system triggers a proximity error message during a long gantry move (greater-than180 degrees), and a subsequent proximity error message occurs after the automat
2025-04-22C-RAD POSITIONING ABSoftware issue with scanning equipment that can results in the filed rotation not being applied correctly.

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Data compiled from public U.S. FDA sources (GUDID, 510(k)/PMA, MAUDE, recalls, establishment registration). Adverse-event reports are unverified and do not establish causation. Informational only — not medical, clinical, or regulatory advice.