FDA Devices recall · Reported March 21, 2018
Proteus 235, Pencil Beam Scanning, PTS-9.4.X, PTS-10.0.1.1 The Proton Therapy System - Proteus 235 (brand names: Proteus Plus and Proteus ONE) is a medical device designed to produce and deliver a proton beam for the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation. The PTS may include a fixed small beam treatment room dedicated to the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation lo
The internal configuration of the electrometers and the Real-Time control boards of the Dekimo Scanning Controller is not checked before each patient treatment.
Ion Beam Applications S.a. recalled Proteus 235, Pencil Beam Scanning, PTS-9.4.X, PTS-10.0.1.1 The Proton Therapy System -… - a moderate-severity action.
Proteus 235, Pencil Beam Scanning, PTS-9.4.X, PTS-10.0.1.1 The Proton Therapy System -… was recalled by Ion Beam Applications S.a. in March 21, 2018. Reason: The internal configuration of the electrometers and the Real-Time control boards of the Dekimo Scanning Cont…. Check the official notice for the remedy. Verify recall #Z-0943-2018 with the FDA Devices before acting.
The recall
Ion Beam Applications S.a. issued this moderate-severity FDA Devices recall-The internal configuration of the electrometers and the Real-Time control boards of the Dekimo Scanning Cont….
- Moderate
- severity level
- 3 units
- affected scope
- Class II
- classification
- March 21, 2018
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-0943-2018 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
Proteus 235, Pencil Beam Scanning, PTS-9.4.X, PTS-10.0.1.1 The Proton Therapy System - Proteus 235 (brand names: Proteus Plus and Proteus ONE) is a medical device designed to produce and deliver a proton beam for the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation. The PTS may include a fixed small beam treatment room dedicated to the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation localized to the head and neck.
Reason for recall
The internal configuration of the electrometers and the Real-Time control boards of the Dekimo Scanning Controller is not checked before each patient treatment.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-0943-2018 |
| Date reported | March 21, 2018 |
| Date initiated | November 1, 2017 |
| Recalling firm | Ion Beam Applications S.a. |
| Firm location | Louvain La Neuve |
| Affected scope | 3 |
| Distribution | Worldwide Distribution: US (nationwide) to: MI only and country of: France. |
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-0943-2018) 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
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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