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

Model Number	CYF-5A
Medical Device Problem Code	Detachment of Device or Device Component (2907)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device evaluation is ongoing.Should additional relevant information become available, a supplemental report will be submitted.
Event or Problem Description
It was reported the cystonephrofiberscope's working channel valve became detached.There was no indication during what type of device usage the reported event occurred.There was no reported patient injury or medical intervention associated with this event.
Additional Manufacturer Narrative
This supplemental report is being submitted to provide the results of the final investigation.Corrected field: d5, the device was returned to olympus for inspection and the reported failure was not confirmed.Based on the results of the investigation, a root cause could not be identified.Should additional relevant information become available, a supplemental report will be submitted.Olympus will continue to monitor field performance for this device.
Event or Problem Description
No additional information was received from the customer.

• Brand Name: OES CYSTONEPHROFIBERSCOPE
• Common Device Name: CYSTONEPHROFIBERSCOPE
• Manufacturer (Section D): SHIRAKAWA OLYMPUS CO., LTD.; 3-1 okamiyama; odakura, nishigo-mura,; nishishirakawa-gun, fukushima 961-8 061; JA 961-8061
• Manufacturer (Section G): SHIRAKAWA OLYMPUS CO., LTD.; 3-1 okamiyama; odakura, nishigo-mura,; nishishirakawa-gun, fukushima 961-8 061; JA 961-8061
• Manufacturer Contact: todd brill ; 800 west park drive; westborough, MA 01581 ; 5082077661
• MDR Report Key: 22167257
• Report Number: 3002808148-2025-08972
• Device Sequence Number: 9401814
• Product Code: FAJ
• UDI-Device Identifier: 04953170339424
• UDI-Public: 04953170339424
• Combination Product (Y/N): N
• Initial Reporter Country: SP
• PMA/510(K) Number: K032092
• 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: Administrator/Supervisor
• Type of Report: Initial,Followup
• Report Date (Section B): 06/25/2025

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-5A
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/15/2025
• Supplement Date Received by Manufacturer: 06/11/2025
• Initial Report FDA Received Date: 06/09/2025
• Supplement Report FDA Received Date: 06/25/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/24/2023
• 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