MAUDE Adverse Event Report: AIZU OLYMPUS CO., LTD. OES CYSTONEPHROFIBERSCOPE

Model Number	CYF-5
Medical Device Problem Code	Microbial Contamination of Device (2303)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/19/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device evaluation is ongoing.Prior to the device evaluation, the device was sent out for additional microbiological testing.The microbiological analysis results are pending.Once the investigation has been completed, a supplemental report will be submitted with device evaluation results.
Event or Problem Description
It was reported that the cystonephrofiberscope tested positive for an unexpected contamination.The issue was found during a routine culture of the scope.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
This report is being supplemented to provide additional information based on the legal manufacturer's (lm) review of the third-party testing, the device evaluation and the lms final investigation.Despite good faith attempts the user cleaning disinfection and sterilization (cds) processes were not shared.The user facility provided the following result of the culture test, performed at the third-party labs: sampling date: on (b)(6) 2024, sampling from: all channels, cfu: 5 cfu/100ml, bacterial identification: n/a.Olympus provided the following result of the culture test, performed at the third-party labs: sampling date: on (b)(6) 2024, sampling from: all channels, cfu: <1cfu, bacterial identification: n/a.The device was evaluated where no abnormalities were found that could have led to the reported event.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, a root cause could not be determined.Growth of microorganisms were found through culture testing by the user after reprocessing.However, when olympus culture tested after reprocessing in accordance with the ifu before repair, the results conformed to the regulation's recommendation.The following is included in the device ifu: chapter 4 reprocessing workflow for endoscopes and accessories.Chapter 5 reprocessing the endoscope.Olympus will continue to monitor field performance for this device.

• Brand Name: OES CYSTONEPHROFIBERSCOPE
• Common Device Name: CYSTONEPHROFIBERSCOPE
• 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
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 20524063
• Report Number: 9610595-2024-21816
• Device Sequence Number: 15714429
• Product Code: FAJ
• UDI-Device Identifier: 04953170292323
• UDI-Public: 04953170292323
• Combination Product (Y/N): N
• Initial Reporter Country: FR
• PMA/510(K) Number: K221690
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Administrator/Supervisor
• Type of Report: Initial,Followup
• Report Date (Section B): 05/07/2025

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: CYF-5
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/07/2024
• Supplement Date Received by Manufacturer: 04/17/2025
• Initial Report FDA Received Date: 10/24/2024
• Supplement Report FDA Received Date: 05/07/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/17/2012
• 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