Atlas FDA

Brand Name: Catalyst+ Product Name: Catalyst, Catalyst+ Model/Catalog Number: SP001-0026, SP003-0002 Software Version: c

FDA device recall Z-1092-2026 · posted 2026-01-14 · Open, Classified

Recall details

Recalling firm
C-RAD POSITIONING AB
Reason for recall
Due 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 patient as correctly positioned at the isocenter, even when the isocenter is positioned outside of the indicated tolerance.
Action taken
On 10/14/2025, the firm email an Urgent Field Safety Notice to customers informing them that C-RAD has noted a potential issue affecting the cSRS mode of the Catalyst+ HD and Catalyst HD systems. All software version above c4D 5.3.2 are affected by this issue. The issue is that the stated precision of the Catalyst system for stereotactic radiosurgery (SRS) treatments cannot be guaranteed for all couch angles and system setups. In certain cases, the system may indicate the patient as correctly positioned at the isocenter, even when the isocenter is positioned outside of the indicated tolerance. This could in the worst-case result in erroneous dose delivery. This issue affects Catalyst+ HD and Catalyst HD systems, configured for cSRS and cMotion. Customers are instructed to: 1. Ensure that all the staff operating the Catalyst+ HD and Catalyst HD, and the c4D software application are informed of this information. 2. As an immediate action, affected users are advised to not use Catalyst+ HD and Catalyst HD in combination with cSRS and cMotion. C-RAD will release a new version of the software application c4D resolving the issue and/or update IFU/labelling. For questions please contact C-RAD Quality Department as regulatory@c-rad.com
Root cause
Under Investigation by firm
Status
Open, Classified
Product code
IYE
Quantity affected
189
Distribution
The software module cSRS has been installed in 37 countries Worldwide - U.S. Nationwide distribution in the states of AK, AL, AR, CA, CT, FL, MO, NC, NM, NY, OH, OK, OR, PA, TN, TX, VA, and WA. The co
Date initiated
2025-10-09
Date posted
2026-01-14
Location
Uppsala, Sweden

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Related 510(k) clearances

RecordFirmDate
Catalyst+, Catalyst+ HD (K200435)C-Rad Positioning AB2020-05-07