Severity
Moderate
ModerateClass IITerminated
FDA Devices recall · Reported March 14, 2018
Proteus 235, Pencil Beam Scanning version PTS-6.4.11.X 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 locali
Range for the same energy could be different depending if the layer is the first layer of the irradiation plan or not.
Compiled from official public sources by the editorial team.
Verify with FDA Devices →
Ion Beam Applications S.a. recalled Proteus 235, Pencil Beam Scanning version PTS-6.4.11.X The Proton Therapy System - Pro… - a moderate-severity action.
Proteus 235, Pencil Beam Scanning version PTS-6.4.11.X The Proton Therapy System - Pro… was recalled by Ion Beam Applications S.a. in March 14, 2018. Reason: Range for the same energy could be different depending if the layer is the first layer of the irradiation pl…. Check the official notice for the remedy. Verify recall #Z-0931-2018 with the FDA Devices before acting.
The recall
Ion Beam Applications S.a. issued this moderate-severity FDA Devices recall-Range for the same energy could be different depending if the layer is the first layer of the irradiation pl….
- Moderate
- severity level
- 3 units
- affected scope
- Class II
- classification
- March 14, 2018
- reported
Sourced from official FDA Devices enforcement records. Verify recall #Z-0931-2018 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
This FDA Devices action (record #Z-0931-2018) was formally reported on March 14, 2018, with the manufacturer initiating the action on October 19, 2017. It is classified under Moderate severity (Class II), with a current status of Terminated. Ion Beam Applications S.a. is listed as the recalling firm, operating out of Louvain La Neuve, N/A. Federal records list the affected scope as 3.
The documented reason for this recall is: Range for the same energy could be different depending if the layer is the first layer of the irradiation plan or not. Distribution data in the federal record shows the product reached: US Distribution to the state of :FL. Distribution scope 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, 3 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 - 40,322 medical devices recalls on record
Of 101,704 recalls in the database, 24,878 are high severity, 72,426 moderate, and 4,400 low. 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.
Affected scope
3
Related Recalls
6
3 from same agency
Product description
Proteus 235, Pencil Beam Scanning version PTS-6.4.11.X 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
Range for the same energy could be different depending if the layer is the first layer of the irradiation plan or not.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | U.S. Food and Drug Administration |
| Severity class | Moderate (Class II) |
| Status | Terminated |
| Recall number | Z-0931-2018 |
| Date reported | March 14, 2018 |
| Date initiated | October 19, 2017 |
| Recalling firm | Ion Beam Applications S.a. |
| Firm location | Louvain La Neuve, N/A |
| Affected scope | 3 |
| Distribution | US Distribution to the state of :FL |
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-0931-2018) 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.
Frequently Asked Questions
What product was recalled? ▼
Proteus 235, Pencil Beam Scanning version PTS-6.4.11.X 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.. Recalled by Ion Beam Applications S.a.. Units affected: 3.
Why was this product recalled? ▼
Range for the same energy could be different depending if the layer is the first layer of the irradiation plan or not.
Which agency issued this recall? ▼
This recall was issued by the FDA Devices on March 14, 2018. Severity: Moderate. Recall number: Z-0931-2018.
Where was the recalled product distributed? ▼
Distribution: US Distribution to the state of :FL.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (Z-0931-2018) against your product. Visit the official FDA Devices website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
Should I stop using a recalled medication or medical device? ▼
Do not stop using a recalled medication or device without consulting your healthcare provider first, as abruptly discontinuing treatment could pose its own health risks. Your doctor can advise on alternatives or whether the recall applies to your specific product lot. Check the recall number and lot information against your product packaging.
Nearby Recalls in This Category
Other recalls in the same product category, useful for spotting patterns across the same defect class or manufacturer.
CPSC Moderate
Rowenta Recalls Cordless Vacuum Cleaners Due to Risk of Serious Injury from Fire and Burn Hazards
· 2026-07-02
CPSC Moderate
Daikin Comfort Technologies Manufacturing Recalls Amana Air Conditioners and Heat Pumps Due to Risk of Serious Injury f…
· 2026-06-25
CPSC Moderate
Arizer Solo III Portable Vaporizers Recalled Due to Fire and Burn Hazards; Risk of Serious Injury or Death; Imported by…
· 2026-06-18
FDA Devices Moderate
GE HealthCare TRADE IN CARESCAPE TELEMETRY SERVER ARK-2250L - NORTH AMERICA, REF #5697603-902, Product Code KSA; used i…
GE Medical Systems Information Technologies Inc · 2026-06-03
FDA Devices Critical
Medline kits containing Huons Co. Bupivacaine HCL in Dextrose Injection, USP, labeled as: 1) BLOCK TRAY, Medline Kit…
Medline Industries, LP · 2026-06-03
Compare this recall with Rowenta Recalls Cordless Vacuum Cleaners Due to Risk of Ser… →
Every figure on PlainRecalls is rendered directly from official FDA, CPSC and NHTSA recall records, no number is typed in by an editor. This recall: FDA Devices, reported March 14, 2018. Severity classes follow each agency's own taxonomy (FDA Class I/II/III; CPSC and NHTSA by hazard type), and related-recall context is computed across the full archive. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.