Elekta Unity
In rare circumstances, due to reasons such as inadequate hospital facility maintenance, water leakage, and weakening of speaker fixings during the lifetime of the system, the speakers can become dislodged and be pulled into the bore.
TX and WI, Germany, Denmark, Netherlands, United Kingdom
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0706-2019