inforMED
MalfunctionIYE

TRUEBEAM

Received Aug 11, 2025 · Event occurred Jul 29, 2025

Report 22769851 · MDR key 22769851

Device

Generic name

Accelerator, Linear, Medical

Product problems

  • No Display/Image

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

WHILE ATTEMPTING TO USE THE "VARIAN TRUEBEAM" LINEAR ACCELERATOR, THE MACHINE WOULD NOT ALLOW STAFF TO TAKE CONE BEAM CAT SCANS OR KV IMAGES FOR PATIENT POSITIONING. STAFF CALLED VARIAN, WHO SENT A TECH, WHO FOUND OUT THE PROBLEM WAS A HIGH VOLTAGE LINE BETWEEN THE X-RAY GENERATOR AND THE X-RAY TUBE. THE LINE WAS REPLACED, BUT APPROXIMATELY 8 PATIENTS NEEDED TO HAVE THEIR IMAGING DELAYED BY APPROXIMATELY 24 HOURS, DELAYING CARE. MANUFACTURER RESPONSE FOR RADIOTHERAPY LINEAR ACCELERATOR, TRUEBEAM (PER SITE REPORTER). TECHS WERE SENT OUT TO FIX THE PROBLEM, BUT STILL CAUSED A DELAY IN CARE FOR NUMEROUS PATIENTS.