MAUDE Adverse Event Report: AIZU OLYMPUS CO., LTD. EVIS EXERA II DUODENOVIDEOSCOPE

Model Number	TJF-Q180V
Medical Device Problem Code	Microbial Contamination of Device (2303)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/07/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that, during reprocessing, the duodenovideoscope tested positive on (b)(6) 2026 for 10-100 cfus (colony forming units) of citrobacter freundii.The device was retested on (b)(6) 2026, and it tested positive for 10-100 cfus of citrobacter freundii and 1-10 cfus of enterococcus faecalis.The device was tested again on (b)(6) 2026, and tested positive for 1-10 cfus of citrobacter freundii.The device was tested again on (b)(6) 2026 for 1-10 cfus of citrobacker braakii.All channels were sampled.The user did not report any contamination or any other serious deterioration in state of health of any person, to which the scope could have been a contributory cause.
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
Additional Manufacturer Narrative
This supplemental report is being submitted to provide the results of the final investigation.Based on the results of the investigation, the reported event was confirmed, and a root cause could not be established.Growth of microorganisms were reported through culture testing by the user after reprocessing.However, the scope was not microbiologically tested by olympus.Olympus will continue to monitor field performance for this device.
Event or Problem Description
No additional information provided by the customer.

• Brand Name: EVIS EXERA II DUODENOVIDEOSCOPE
• Common Device Name: DUODENOVIDEOSCOPE
• Manufacturer (Section D): AIZU OLYMPUS CO., LTD.; 3-1-1 niiderakita; aizuwakamatsu-shi, fukushima 965-8 520; JA 965-8520
• Manufacturer (Section G): AIZU OLYMPUS CO., LTD.; 3-1-1 niiderakita; aizuwakamatsu-shi, fukushima 965-8 520; JA 965-8520
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 25060070
• Report Number: 9610595-2026-35762
• Device Sequence Number: 9354284
• Product Code: FDT
• UDI-Device Identifier: 04953170339967
• UDI-Public: 04953170339967
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K143153
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/16/2026

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: TJF-Q180V
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/07/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/07/2026
• Supplement Date Received by Manufacturer: 06/03/2026
• Initial Report FDA Received Date: 05/01/2026
• Supplement Report FDA Received Date: 06/16/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/31/2018
• 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