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

Lot Number	VERSION 3.2.2.0
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	04/17/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported a sequencer restart interruption.
Additional Manufacturer Narrative
H4: manufacturing date is not on the label, but it is known so field h4 has been completed with this information.H11: the manufacturer's investigation is on-going and further information will be provided once the investigation has completed.
Additional Manufacturer Narrative
D4 updated: due to an administrative error in the initial report, the lot # was incorrectly entered in the serial # field.The lot # field has been completed on this form.H11 updated: the investigation was completed by conducting a thorough evaluation of the product and the reported information.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 SOLUTIONS AB; hagaplan 4; stockholm, 113 6 8; SW 113 68
• Manufacturer (Section G): ELEKTA SOLUTIONS AB; 400 perimeter center terrace; suite 50; atlanta GA 30346
• Manufacturer Contact: cornerstone; london road; crawely, west sussex RH10 -9BL
• MDR Report Key: 22034222
• Report Number: 3015232217-2025-00014
• Device Sequence Number: 12956438
• Product Code: IYE
• UDI-Device Identifier: 07340201500071
• UDI-Public: (01)07340201500071(10)3.2.2.0
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: K223229
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,User Facility
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/20/2025

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 3.2.2.0
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/17/2025
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 05/16/2025
• Supplement Report FDA Received Date: 06/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/26/2024
• 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