CLASS II ONGOING Device recall · Reported 8 Jun 2022 · FDA Enforcement Report

Proteus235- Proton Therapy System: to produce recalled

Ion Beam Applications is recalling Proteus235- Proton Therapy System: to produce and deliver a proton beam for the treatment, distributed nationwide in the US. The recall was initiated on 20 Apr 2022 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesUDI-DI: (01)05404013801138 Serial Numbers: PAT108 (US), PAT112 (US), SAT116 (US). PAT107 (EU).
Quantity recalled4 units

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-1205-2022
FDA event ID
90213
Recalling firm
Ion Beam Applications, Louvain-la-neuve, N/A
Classification
Class II
Status
Ongoing
Recall initiated
20 Apr 2022
FDA classified
27 May 2022
Reported
8 Jun 2022
Type
Voluntary: Firm initiated
Customers notified by
Two or more of the following: Email, Fax, Letter, Press Release, Telephone, Visit
Reason category
Other Reasons

Timeline

20 Apr 2022Recall initiated by company
27 May 2022Classified by FDA+37 days
8 Jun 2022Published 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

First layer of Uniform Scanning treatment fields is sometimes irradiated with incorrect Scanning Magnet setpoints resulting in the field size may be smaller than expected and the irradiated area may receive more dose than prescribed

Product as listed by the FDA

Proteus235- Proton Therapy System: to produce and deliver a proton beam for the treatment of patients with localized tumors and other conditions susceptible to treatment by radiation

Where it was distributed

Worldwide distribution - US Nationwide distribution in the states of IL, VA, WA and the country of Germany.

Nationwide IllinoisVirginiaWashington

Questions about this recall

Why was it recalled?

First layer of Uniform Scanning treatment fields is sometimes irradiated with incorrect Scanning Magnet setpoints resulting in the field size may be smaller than expected and the irradiated area may receive more dose than prescribed

Which lots are affected?

UDI-DI: (01)05404013801138 Serial Numbers: PAT108 (US), PAT112 (US), SAT116 (US). PAT107 (EU).

Where was it sold?

Worldwide distribution - US Nationwide distribution in the states of IL, VA, WA and the country of Germany.

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 26 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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