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

Model Number	CYF-5R
Medical Device Problem Codes	Break (1069); Device Reprocessing Problem (1091); Fracture (1260); Poor Quality Image (1408)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/01/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The investigation is ongoing.A supplemental report will be submitted when the investigation is completed or if additional information becomes available.
Event or Problem Description
It was reported that the cystonephrofiberscope insertion tube exhibited black specks.The issue was found during reprocessing.There was no patient involvement or patient injury reported.

• 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: 25367691
• Report Number: 3002808148-2026-19138
• Device Sequence Number: 9808709
• Product Code: FAJ
• UDI-Device Identifier: 04953170411182
• UDI-Public: 04953170411182
• Combination Product (Y/N): N
• Initial Reporter State: SD
• Initial Reporter Country: US
• 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: Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/18/2026

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: CYF-5R
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 05/04/2026
• Supplement Date Received by Manufacturer: 06/12/2026
• Initial Report FDA Received Date: 06/02/2026
• Supplement Report FDA Received Date: 06/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/17/2020
• 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: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown