Philips Medical Systems (Cleveland) Inc TumorLoc software application, Software Versions: 23.1.1, 20.7.13, and 20.8.15 for use on the GEMINI TF 16 and GEMINI TF 64 Slice PET/CT Systems, Catalog Numbers: 882470 - GEMINI TF 16 Slice; 882471 - GEMINI TF 64 Slice; and 882473 - GEMINI TF 16 Slice Base Configuration. Model Numbers: 4535 679 83931 - GEMINI TF 16 Slice; 4535 679 94741 - GEMINI TF-64 Slice and 4535 674 41711 - GEMINI TF 16 Slice Base Configuration. Tumor Localization is an application used in radiation oncology departments f Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
TumorLoc software application, Software Versions: 23.1.1, 20.7.13, and 20.8.15 for use on the GEMINI TF 16 and GEMINI TF 64 Slice PET/CT Systems, Catalog Numbers: 882470 - GEMINI TF 16 Slice; 882471 - GEMINI TF 64 Slice; and 882473 - GEMINI TF 16 Slice Base Configuration. Model Numbers: 4535 679 83931 - GEMINI TF 16 Slice; 4535 679 94741 - GEMINI TF-64 Slice and 4535 674 41711 - GEMINI TF 16 Slice Base Configuration. Tumor Localization is an application used in radiation oncology departments f
Brand
Philips Medical Systems (Cleveland) Inc
Lot Codes / Batch Numbers
GEMINI TF 16 Slice, Serial Numbers: 7035, 7052, 7093, 7096, 7123, 7128, and 7133, GEMINI TF 16 Slice base configuration, Serial Number: 7150, and GEMINI TF 64 Slice, Serial Numbers: 7007, 7088, 7103, 7126, and 7132.
Products Sold
GEMINI TF 16 Slice, Serial Numbers: 7035, 7052, 7093, 7096, 7123, 7128, and 7133; GEMINI TF 16 Slice base configuration, Serial Number: 7150; and GEMINI TF 64 Slice, Serial Numbers: 7007, 7088, 7103, 7126, and 7132.
Philips Medical Systems (Cleveland) Inc is recalling TumorLoc software application, Software Versions: 23.1.1, 20.7.13, and 20.8.15 for use on the GEMINI due to A software anomaly in the TumorLoc software for the firm's Brilliance CT scanners was discovered. The same software anomaly was subsequently determin. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
A software anomaly in the TumorLoc software for the firm's Brilliance CT scanners was discovered. The same software anomaly was subsequently determined to be present in the firm's GEMINI PET/CT units. The software defect results in a the potential for data to be lost during reconstruction of images in which slices can either be discarded, or interleaved based upon their series ID.
Recommended Action
Per FDA guidance
An "URGENT - Field Safety Notice" dated February 12, 2009 was sent via FedEx to domestic customers. The notice described the affected products, issue, involved hazard should problem occur and corrective actions for the customer/user. The letter also notified users/customers that a Philips Healthcare Field Service Engineer will contact and visit their site within 6 months to install a TumorLoc upgrade. Notification will also be sent to the international consignees by Philips personnel. For further information or support concerning this issue, please contact your local Philips representative: Customer Care Center (1-800-722-9377, option 5: Diagnostic Imaging, option 5: Radiation Therapy, option 3: Oncology) or to your local Philips Healthcare office.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026