MEVION S250 Proton Radiation Treatment System; intended to deliver proton radiation treatment to patients
- Company
- Mevion Medical Systems, Inc.
- Recall Initiated
- June 23, 2020
- Terminated
- December 9, 2020
- Recall Number
- Z-2686-2020
- Quantity
- 8 units
- Firm Location
- Littleton, MA
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.
Distribution
MO, NJ, OK, FL, OH, DC, Netherlands
Lot / Code Info
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
Root Cause
Device Design
Action Taken
This screen would not be accessed by normal user (only servicer). Firm is notifying servicing personnel and not consumer/user level. No customer letters/communication sent. Servicer will install edge guard on effected units. Technical Service Bulletin issued to servicer.