Reported Jul 29, 2020 · Terminated

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

Mevion Medical Systems, Inc.

Moderate riskThis product could cause temporary or reversible health problems — stop using it.

What you should do

Stop using the affected lot and contact the recalling firm for the return or refund process. Check the FDA enforcement report for lot-level detail.

Firm contact: Mevion Medical Systems, Inc. · 300 Foster St · Littleton, MA · 01460-2017

Is this the product you have?

  • MEVION S250 Proton Radiation Treatment System; intended to deliver proton radiation treatment to patients
Lot codes and dates
  • 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
Amount recalled
8 units

Where it was sold

Why it was recalled

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.

This product could cause temporary or reversible health problems — stop using it.

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Where this came from

Source: U.S. Food & Drug Administration (openFDA)

Read the FDA (openFDA device enforcement) notice

Notice updated Dec 9, 2020 · Data as of Sep 19, 5:30 PM UTC

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