HIGH

IBA Proton Therapy System - PROTEUS 235

It was identified that eh Universal Beam Triggering Interface (UBTI) is disabled in the Therapy Safety System (TSS) configuration. In this condition, the TSS does not interrupt the beam delivery if the Healthy Signal from an external gating device is lost. This may lead to a risk of mistreatment when external gating devices are used.

Quick Facts at a Glance

Recall Date
February 3, 2026
Hazard Level
HIGH
Brand
Ion Beam Applications S.A.
Geographic Scope
1 states

Hazard Information

It was identified that eh Universal Beam Triggering Interface (UBTI) is disabled in the Therapy Safety System (TSS) configuration. In this condition, the TSS does not interrupt the beam delivery if the Healthy Signal from an external gating device is lost. This may lead to a risk of mistreatment when external gating devices are used.

What You Should Do

Patients and healthcare providers should stop using this device immediately. Follow the recall instructions provided by the manufacturer. Contact Ion Beam Applications S.A. or your healthcare provider for instructions. Notification method: Letter

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Full Description

IBA Proton Therapy System - PROTEUS 235. Reason: It was identified that eh Universal Beam Triggering Interface (UBTI) is disabled in the Therapy Safety System (TSS) configuration. In this condition, the TSS does not interrupt the beam delivery if the Healthy Signal from an external gating device is lost. This may lead to a risk of mistreatment when external gating devices are used.. Classification: Class II. Quantity: 4 units (1 US, 3 OUS). Distribution: Worldwide - US Nationwide distribution in the state of FL and the countries of Italy and Japan.

Safety Guide

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Product Classification

Product Details

Model Numbers
PROTEUS 235
UDI-DI: 05404013801138
Serial Numbers: SBF103 (JP)
SBF124 (EU)
SBF133 (US)
+1 more
Affected States
ALL
Report Date
March 18, 2026
Recall Status
ACTIVE

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