FDA Devices recall · Reported April 10, 2013
SIEMENS brand COHERENCE RT Therapist versions RTT MR1.5, RTT 2.1/2.1A and RTT 2.2/ 2.2B; Software release for COHERENCE Therapist 2.3 for Primus and Oncor Linear Accelerators; Model: Primeview 3i 2.1, Part No. 8147675, Current R640; Product Usage: The intended use of the SIEMENS branded ONCOR and PRIMUS family of linear accelerator systems is to deliver X-ray photon and electron radiation for the therapeutic treatment of cancer.
Siemen's issued a Customer Information Letter under Update Instruction TH016/12S to alert all its affected customers of the software issues. The software release is a result of th…
Siemens Medical Solutions USA, Inc recalled SIEMENS brand COHERENCE RT Therapist versions RTT MR1.5, RTT 2.1/2.1A and RTT 2.2/ 2.2B; … - a moderate-severity action.
SIEMENS brand COHERENCE RT Therapist versions RTT MR1.5, RTT 2.1/2.1A and RTT 2.2/ 2.2B; … was recalled by Siemens Medical Solutions USA, Inc in April 10, 2013. Reason: Siemen's issued a Customer Information Letter under Update Instruction TH016/12S to alert all its affected cu…. Check the official notice for the remedy. Verify recall #Z-1043-2013 with the FDA Devices before acting.
The recall
Siemens Medical Solutions USA, Inc issued this moderate-severity FDA Devices recall-Siemen's issued a Customer Information Letter under Update Instruction TH016/12S to alert all its affected cu….
- Moderate
- severity level
- 621 units
- affected scope
- Class II
- classification
- April 10, 2013
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-1043-2013 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This recall's affected scope, documented in the Recall Profile below, stays within a single-region or limited-distribution footprint. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory.
Within the same product category the archive holds 6 closely related recalls, 6 from FDA Devices - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Medical Devices recalls over time
Where this recall sits in its category - 41,021 medical devices recalls on record
Of 88,244 recalls with an agency hazard classification, 19,068 are high severity, 64,652 moderate, and 4,524 low. A further 16,179 CPSC/NHTSA recalls have no agency class and are excluded from this split. This recall is classified moderate severity.
Counts reflect market size and reporting activity, not inherent danger, we do not rank products by risk from raw recall volume.
Product description
SIEMENS brand COHERENCE RT Therapist versions RTT MR1.5, RTT 2.1/2.1A and RTT 2.2/ 2.2B; Software release for COHERENCE Therapist 2.3 for Primus and Oncor Linear Accelerators; Model: Primeview 3i 2.1, Part No. 8147675, Current R640; Product Usage: The intended use of the SIEMENS branded ONCOR and PRIMUS family of linear accelerator systems is to deliver X-ray photon and electron radiation for the therapeutic treatment of cancer.
Reason for recall
Siemen's issued a Customer Information Letter under Update Instruction TH016/12S to alert all its affected customers of the software issues. The software release is a result of the final system testing addressing multiple performance defects and several safety issues that were not considered critical (for immediate correction) for the safe use of the device.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-1043-2013 |
| Date reported | April 10, 2013 |
| Date initiated | March 5, 2013 |
| Recalling firm | Siemens Medical Solutions USA, Inc |
| Firm location | Martinez, CA |
| Affected scope | 621 units (foreign account) in total |
| Distribution | Worldwide Distribution |
Profile values are sourced directly from the official FDA Devices enforcement record. Source: U.S. Food and Drug Administration.
What to do with this recall
Match your product against the recall record, then act on the agency remedy.
- Check the recall number (Z-1043-2013) and product description against the item you own. Search the archive
- Confirm the current status with FDA Devices before acting, recall details can be updated.
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official FDA Devices record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
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Nationwide recalls with similar severity or category timing
Drug and device notices outside this firm and state, matched by severity timing and product category.
Similar severity · nearest report date
Same archive severity grade (Moderate), closest by report date among other firms and states.
Similar Medical Devices · nearest report date
Same product category, closest by report date among other firms and states (deduped against the severity set).
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Methodology · Corrections · Archive as of August 2026