CLASS II Device recall · Reported 21 Mar 2018 · FDA Enforcement Report

Proteus 235, Pencil Beam Scanning, Pts-9.4.X recalled

Ion Beam Applications is recalling Proteus 235, Pencil Beam Scanning, Pts-9.4.X, Pts-10.0.1.1 The Proton Therapy System, distributed nationwide in the US. The recall was initiated on 1 Nov 2017 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesSBF.101 (EU), SBF.105 (US)
Quantity recalled3

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-0943-2018
FDA event ID
79229
Recalling firm
Ion Beam Applications, Louvain La Neuve
Classification
Class II
Status
Terminated
Recall initiated
1 Nov 2017
FDA classified
9 Mar 2018
Reported
21 Mar 2018
Type
Voluntary: Firm initiated
Customers notified by
Letter
Reason category
Other Reasons

Timeline

1 Nov 2017Recall initiated by company
9 Mar 2018Classified by FDA+128 days
21 Mar 2018Published in enforcement report+12 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

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.

Product as listed by the FDA

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.

Where it was distributed

Worldwide Distribution: US (nationwide) to: MI only and country of: France.

Nationwide Michigan

Questions about this recall

Is Proteus 235, Pencil Beam Scanning, Pts-9.4.X, Pts-10.0.1.1 The Proton Therapy System recalled?

Yes. Ion Beam Applications recalled Proteus 235, Pencil Beam Scanning, Pts-9.4.X, Pts-10.0.1.1 The Proton Therapy System on 1 Nov 2017. The recall is Class II and its status is Terminated. Recall number Z-0943-2018.

Why was it recalled?

The internal configuration of the electrometers and the Real-Time control boards of the Dekimo Scanning Controller is not checked before each patient treatment.

Which lots are affected?

SBF.101 (EU), SBF.105 (US)

Where was it sold?

Worldwide Distribution: US (nationwide) to: MI only and country of: France.

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class II mean?

Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.

Read the official FDA notice · Source record retrieved 21 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

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