MEVION S250i, MEVION S250; Proton Radiation Treatment System - Product Usage: intended to deliver proton radiation treatment to patients with localized tumors or any other conditions susceptible to treatment by radiation
Treatment beam information disappears on Treatment Console screen while beam delivery continues potential for harm to a patient could occur
Worldwide distribution - US Nationwide distribution including in the states of DC, FL, MO, NJ, OK and the country of Netherlands.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0485-2021