RecallRadar

FDA Device recall Z-1122-2017

MEVION S250-Proton Radiation Therapy Product Usage: Proton Radiation Therapy

On 2017-02-08 the FDA classified a Class II recall of MEVION S250-Proton Radiation Therapy Product Usage: Proton Radiation Therapy by Mevion Medical Systems, citing an error can occur causing Delta corrections to be lost when one setup field is closed and another is opened.

Read the official FDA Device notice

AgencyFDA Device
Recall numberZ-1122-2017
ClassificationClass II
Statusterminated
Initiated2016-12-16
Published2017-02-08
Last updated2026-09-13 11:54 UTC
CompanyMevion Medical Systems
DistributionUS

Product

MEVION S250-Proton Radiation Therapy Product Usage: Proton Radiation Therapy

Reason

An error can occur causing Delta corrections to be lost when one setup field is closed and another is opened

Identifiers

code_infoS250-0002 and S250-0003

Status history

No status changes recorded since RecallRadar first saw this recall on 2026-09-13 11:54 UTC. Current status: terminated.

Source

Official record: https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-1122-2017%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.