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Recall Observatory FDA recall evidence

Exact FDA event identifier

Event 77175

1 recalled-product record grouped only because every row carries this exact official event ID.

Open FDA event record

Event summary

Timeline bucket
February 09, 2017
Product types
Device
Classifications
Class II
Statuses
Terminated
Recalling firm wording
Ion Beam Applications S.A.

Dossier provenance

Source snapshots represented here

  • openFDA Device Enforcement Report-date coverage June 20, 2012–July 08, 2026 Known gap: openFDA describes 2004-present coverage, but the current export has no report-date records in this interval.
  • openFDA Device Recall event_date_initiated coverage June 01, 1997–June 30, 2026

Enforcement coverage uses report dates; product initiation dates can precede those bounds. Device-enrichment coverage uses FDA event_date_initiated.

How coverage and grouping work

Complete imported group

Every recalled product in this event

1 official enforcement rows

Product dates, classifications, firms, and source wording remain attached to their individual rows. Opening this dossier never hides products that did not match a prior timeline filter.

device · product 1 of 1

Proteus 235

Z-2592-2017
Recall number
Z-2592-2017
Initiated
February 09, 2017
Classification
Class II
Status
Terminated
Quantity
18 systems ( 10 in the US)

App-derived interpretation

Unknown reason.no_named_rule · v1.0.0
It has been observed during testing that there could be clinically non-negligible amount of dark current (a well-known physics effect observed in cyclotron) in Pencil Beam Scanning (PBS) treatment mode when system is not irradiating between layers.

These labels are deterministic app interpretations, not FDA categories.

Official device-enrichment evidence · Sourced

Device Design

Compare all device evidence states

Inspect official wording and provenance

Reason for recall

It has been observed during testing that there could be clinically non-negligible amount of dark current (a well-known physics effect observed in cyclotron) in Pencil Beam Scanning (PBS) treatment mode when system is not irradiating between layers.

Code information

Serial Numbers: PAT.000,PAT.003, PAT.006, PAT.107, PAT.108, PAT.109, PAT.111, PAT.112, PAT.113, PAT.114, SAT.115, SAT.116, SAT.117, SAT.119, SAT.120, SAT.122, SAT.123, SAT.126

Distribution pattern

Worldwide Distribution - US Distribution to the states of : MA, FL, VA, PA, IL, NJ, WA, TN, LA and TX., and to the countries of: Germany, South Korea, France, Czech Republic, Italy, Poland and Sweden.