MAUDE Adverse Event Report: SHIRAKAWA CHANNEL CLEANING BRUSH

Model Number	UNKNOWN
Medical Device Problem Codes	Fracture (1260); Difficult to Remove (1528)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/05/2026
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 the channel cleaning brush was fractured.The issue was found during set-up.There were no reports of patient injury or harm.
Event or Problem Description
No additional information received from the customer.
Additional Manufacturer Narrative
This supplemental report is being submitted to provide the results of the final investigation.The device was not returned to olympus for inspection and the reported failure was not confirmed.Based on the results of the investigation, a definitive root cause could not be identified.Should additional relevant information become available, a supplemental report will be submitted.Olympus will continue to monitor complaints for this device.

• Brand Name: CHANNEL CLEANING BRUSH
• Common Device Name: CLEANING BRUSH
• Manufacturer (Section D): SHIRAKAWA
• Manufacturer (Section G): SHIRAKAWA
• MDR Report Key: 24524809
• Report Number: 9610595-2026-19379
• Device Sequence Number: 9746592
• Product Code: MNL
• UDI-Device Identifier: 04953170022630
• UDI-Public: 04953170022630
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: N/A
• 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
• Type of Report: Initial,Followup
• Report Date (Section B): 05/13/2026

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: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/05/2026
• Supplement Date Received by Manufacturer: 04/16/2026
• Initial Report FDA Received Date: 03/05/2026
• Supplement Report FDA Received Date: 05/13/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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