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Recall Observatory FDA recall evidence

Exact FDA event identifier

Event 86028

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

Open FDA event record

Event summary

Timeline bucket
June 23, 2020
Product types
Device
Classifications
Class II
Statuses
Terminated
Recalling firm wording
Mevion Medical Systems, Inc.

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

MEVION S250 Proton Radiation Treatment System; intended to deliver proton radiation treatment to patients

Z-2686-2020
Recall number
Z-2686-2020
Initiated
June 23, 2020
Classification
Class II
Status
Terminated
Quantity
8 units

App-derived interpretation

Unknown reason.no_named_rule · v1.0.0
The perforated screen that divides the inside of the process water tank has a very sharp edge across the top of the Heat Exchanger leading to potential injury for servicer.

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

The perforated screen that divides the inside of the process water tank has a very sharp edge across the top of the Heat Exchanger leading to potential injury for servicer.

Code information

Lot #s: MEVION S250-0001 MEVION S250-0002 MEVION S250-0003 MEVION S250-0004 MEVION S250-0005 MEVION S250-0006 MEVION S250-0007 MEVION S250-0008 UDI: (01)00864366000100 (11) 131209 (01)00864366000100 (11)150526 (01)00864366000100 (11)150113 (01)00864366000100 (11)150430 (01)00864366000100 (11)160127 (01)00864366000100 (11)160603 (01)00864366000124 (11) 180220 (01)00864366000124 (11) 181219

Distribution pattern

MO, NJ, OK, FL, OH, DC, Netherlands