MAUDE Adverse Event Report: ELEKTA SOLUTIONS AB MOSAIQ; ACCELERATOR, LINEAR, MEDICAL

Medical Device Problem Code	Computer Software Problem (1112)
Health Effect - Clinical Codes	Insufficient Information (4580); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/21/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The manufacturer's investigation is on-going and further information will be provided once the investigation has completed.
Event or Problem Description
The customer reported a meterset unit (mu) discrepancy between beam monitor unit display module (bmdm) and mosaiq.
Additional Manufacturer Narrative
The investigation was completed by conducting a thorough evaluation of the product and the reported information.The customer reported a monitor unit (mu) discrepancy between beam monitor unit display module (bmdm) and mosaiq.It was ascertained from the software logs that an abnormal termination occurred on the linac.The linac reported the mu count from the beam 1 channel to mosaiq and the treatment resumed delivering the remaining mu.Mosaiq is working as designed and intended and based on the available information there has been no mistreatment.

• Brand Name: MOSAIQ
• Common Device Name: ACCELERATOR, LINEAR, MEDICAL
• Manufacturer (Section D): ELEKTA SOLUTIONS AB; kungstensgatan 18; box 7593; stockholm, SE-10 3 93; SW SE-103 93
• Manufacturer (Section G): ELEKTA SOLUTIONS AB; 400 perimeter center terrace; suite 50; atlanta GA 30346
• Manufacturer Contact: cornerstone; london road; crawley, west sussex RH10 -9BL,
• MDR Report Key: 18045552
• Report Number: 3015232217-2023-00066
• Device Sequence Number: 12629745
• Product Code: IYE
• UDI-Device Identifier: 00858164002282
• UDI-Public: (01)00858164002282(10)2.81.070
• Combination Product (Y/N): N
• Initial Reporter Country: AU
• PMA/510(K) Number: K183034
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 04/19/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/04/2023
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 11/01/2023
• Supplement Report FDA Received Date: 04/19/2024
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/03/2019
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown