RecallRadar

FDA Device recall Z-2155-2021

Proteus 235-Proton Therapy System

On 2021-08-04 the FDA classified a Class II recall of Proteus 235-Proton Therapy System by Ion Beam Applications, citing if the user forgets to select the trigger input manually while beam gating is prescribed for the patient, the proton irradiation will be delivered without gating. If the beam is n….

Read the official FDA Device notice

AgencyFDA Device
Recall numberZ-2155-2021
ClassificationClass II
Statusongoing
Initiated2021-05-26
Published2021-08-04
Last updated2026-09-13 11:56 UTC
CompanyIon Beam Applications
DistributionFL, PA, TN, TX, VA

Product

Proteus 235-Proton Therapy System

Reason

if the user forgets to select the trigger input manually while beam gating is prescribed for the patient, the proton irradiation will be delivered without gating. If the beam is not gated as prescribed, the treatment field may be delivered with an error in position

Identifiers

code_info
Serial Numbers: PAT.107 (EU), PAT.108 (US), PAT.109 (US), PAT.115 (EU), SAT.117 (EU), SAT.118 (RU), SAT.119 (US), SAT.1…Serial Numbers: PAT.107 (EU), PAT.108 (US), PAT.109 (US), PAT.115 (EU), SAT.117 (EU), SAT.118 (RU), SAT.119 (US), SAT.120 (EU), SAT.122 (EU), SAT.125 (IN), SAT.126 (US), SAT.132 (EU), SAT.133 (US).

Status history

No status changes recorded since RecallRadar first saw this recall on 2026-09-13 11:56 UTC. Current status: ongoing.

Source

Official record: https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2155-2021%22

RecallRadar indexes public recall notices from the FDA, USDA FSIS, and CPSC. The official agency notice is the authoritative source. Always confirm details at the linked source before acting.