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

Lot Number	VERSION 2.86.077
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	12/20/2024
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported that a field delivery was not recorded.
Additional Manufacturer Narrative
The manufacturer's investigation is on-going and further information will be provided once the investigation has completed.
Additional Manufacturer Narrative
The investigation was completed by conducting a thorough evaluation of the product and the reported information.The customer reported that a field delivery was not recorded.From the mosaiq logs the investigation found that the issue of the lost connection was due to a workstation lock-up.When this happens, the prescribed treatment is delivered, as intended; however, the sequencer application is no longer in operation to receive the treatment verification and record the provided treatment information.Review of the record, user messages, and/or in operation of the software will make clear to the user that the provided treatment has not been recorded.As the treatment is delivered as prescribed, no serious injury would be foreseeable if the event were to recur.Mosaiq worked as designed and intended.Based on available information there was no mistreatment.

• Brand Name: MOSAIQ
• Common Device Name: ACCELERATOR, LINEAR, MEDICAL
• Manufacturer (Section D): ELEKTA INC; 100 mathilda place; 5th floor; sunnyvale CA 94086
• 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: 21178669
• Report Number: 2950347-2025-00004
• Device Sequence Number: 4263241
• Product Code: IYE
• UDI-Device Identifier: 00858164002367
• UDI-Public: (01)00858164002367(10)2.86.077
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• 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): 02/20/2025

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
• Device Lot Number: VERSION 2.86.077
• 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: 12/20/2024
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 01/17/2025
• Supplement Report FDA Received Date: 02/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 12/18/2023
• 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