https://www.fda.gov/medical-devices/medical-device-recalls-and-early-alerts/system-correction-impris-imaging-inc-issues-correction-imris-neuro-iii-sv
System Correction: IMPRIS Imaging Inc Issues Correction for IMRIS Neuro III-SV | FDA
IMPRIS corrects IMRIS Neuro III-SV models due to the potential of ice blockage in the helium venting pipe