MAUDE Adverse Event Report: AIZU OLYMPUS CO., LTD. SUCTION VALVE

Model Number	MH-443
Medical Device Problem Code	Residue After Decontamination (2325)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/24/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The device was not returned to olympus for inspection, and the reported failure was no confirmed.Based on the results of the investigation, and since the device was not returned for evaluation, the definitive root cause of the reported issue could not be determined.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
The customer reported the cleaning brush bristles were clogged in the side hole of the suction valve during a diagnostic upper gastrointestinal endoscopy screening.The procedure was completed using a similar device.There was no patient injury reported.

• Brand Name: SUCTION VALVE
• Common Device Name: SUCTION VALVE
• 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: 25413475
• Report Number: 9610595-2026-46201
• Device Sequence Number: 5751587
• Product Code: FDS
• UDI-Device Identifier: 04953170071256
• UDI-Public: 04953170071256
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K051645
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Nurse
• Type of Report: Initial
• Report Date (Section B): 06/05/2026

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: MH-443
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/08/2026
• Initial Report FDA Received Date: 06/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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